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China Small hydraulic gear pump KAP1Q4 for power unit and hydraulic system differential drive shaft

Guarantee: 1year
Custom-made assistance: OEM
Product Quantity: KAP1Q4
Application: Other, Household Residences, Industrial Utilities, Irrigation and Agriculture
Energy Supply: Hydraulic
Strain: Higher Strain
Structure: Gear Pump
Energy: Hydraulic
Utilization: Oil
Standard or Nonstandard: Standard
Theory: Rotary Pump
Displacement: 1.1cc-8cc
Ports: BSP thread,PT thread,Metric thread,SAE UNF thread,Metric flange port
Shaft: Tang claw shaft,Straight key shaft,tapered shaft,splined shaft
Front protect: rectangular flange,SAE flange,square flange
Substance: Extruded alluminum human body and die cast alluminum or solid-iron cover
Packaging Specifics: Plastic bag in Carton, Flange Mounted Forged Iron Housing Electric powered Motor Worm Reduction Gearbox set in Wooden situation or Pallet is dependent on the quantitySmall hydralic gear pump KAP1Q4 for electrical power unit and hydraulic technique
Port: FOB ZheJiang or HangZhou

Modest hydralic gear pump KKP1Q1 for power device and hydraulic technique

1,Hydraulic equipment pump in CE and ISO normal
two.Higher effectiveness,and long lifestyle
three.High force
three.Reduced noise,minimal pulsation
4.Displacement: 1.1~8cc

Drawing

Organization Info
ZheJiang CZPT machinery(KRS) committed methods and energy to the improvement, production and sales of hydraulic and transmission elements,starts off make velocity increaser PTO gearboxes because 2013,primarily export to European market,this kind of as France,Germany,Turkey,Uk..,moren than fifteen international locations.

With our methods in hydraulic and farm equipment discipline,we also distributes gear pump, CV Axle Assembly-Joint Fifty percent Shaft Entrance Still left 329212 generate shaft tractor equipment,dump truck pumps… from picked quality provider in China,mixed orders with gearboxes will take pleasure in particular discount following discussion.

Welcome to inquiry,you will get reaction in twelve hours.

Generation Overview

Packaging & ShippingPlastic packing for each and every pump
Inner box for every pump
then place on the pallet

Our Solutions
Service A: OEM and tailored products are suitable
Our organization can do OEM and tailored merchandise in accordance to the specifications of client,welcome to inquiry.

Provider B: Produce new items is welcome
We have specialists and investigation division to make new items, if clients require us to develop new merchandise in accordance to sample or drawing, it is welcome.

Services C: Sourcing associated producs
Our firm have considerably knowledge in hydraulic and transmissions parts area, these kinds of as gearbox ,gear pump,tractors,farm equipment,if you want other items, Travel Shafts Cv Joint Employed For Honda Crv 44305S10J50 we can discover the proper provider for you,and buy jointly with our items will appreciate a price reduction.

Other need from clients can be talked about.

FAQ
1.Q: Is your business a buying and selling company or a maker?
A: Our firm is a buying and selling business also a producer, we have our possess manufacturing unit to make gearbox, pump assist..etc
Also we distribute gear pumps, tractor machinery,dump truck pump from selected premium suppliers to fulfill customers’ variable desire.

2.Q:What about the good quality control and guarantee ?
A: “Quality first, Consumers foremost”.Each piece of products is cheeked and examined strictly 1 by 1 just before packing and shipping.
Our products have 1 year guarantee, specialized support is unlimited from us.

three.Q:Can you offer samples for examining and tests?
A:sure,we offer free of charge samples for examining the build good quality and actual overall performance of our products,the freight need to be coverd by consumer.

4.Q:How can I get to your company?
A: Our business deal with is No.888 Huaxu Street, FEBEST AXLE SHAFT BEARING AS-356222 (0B4409294D 0B4409294B) FOR AUDI Xihu (West Lake) Dis. district,ZheJiang ,China
It is about thirty minutes by automobile from ZheJiang Xihu (West Lake) Dis.ao airport or ZheJiang Xihu (West Lake) Dis.ao Railway station.

Simply click the underneath images to see far more merchandise:

Welcome leave concept to us here

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
splineshaft

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the two types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from two separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is one method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is one method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to one another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, two precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These three factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China Small hydraulic gear pump KAP1Q4 for power unit and hydraulic system differential drive shaft
editor by czh 2023-02-21

China Sany Double Gear Pump Rexroth 1518222951 1518222951 Zoomlion Gear 1010000281 Concrete pump spare parts Hydraulic Agitator Motor drive shaft center bearing

Problem: New
Applicable Industries: Accommodations, Building Materials Shops, Manufacturing Plant, Design functions
Showroom Location: None
Online video outgoing-inspection: Not Accessible
Machinery Examination Report: Not Available
Advertising Kind: New Product 2571
Guarantee: 1 Year
Machine design: CZPT Hydraulic Motor Agitator Motor
PN: CZPT
Packaging: export packaging: Model: Putzmeister/Zoomlion/Sany
Flange: wheel flange
shaft: cone and splined shaft
coloration: Blue, gray ,black , 24Velevators with Limit Change yellow
size: 30X16X20 cm
Service model: Putzmeister,Schwing and many others
Application: Concrete pump parts
Identify: Large high quality rotor stator hydraulic motor
Soon after Warranty Services: Online video complex assist, On the web help
Nearby Service Location: None
Right after-product sales Service Presented: Movie specialized assist, On-line help
Packaging Details: Plastic CZPT Gear 157105711 Concrete pump spare areas Hydraulic Agitator Motor

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keyword: High high quality rotor stator hydraulic motor1. Item: concrete pump put on plate and chopping ringHigh good quality rotor stator hydraulic motor
hydraulic motor for Schwing hydraulic motor concrete pump • Easy running in excess of the entire pace variety
• Continuous functioning torque more than a vast speed variety
• Cheap energy productive screw air compressor industrial small screw compressor Substantial starting torque
• Large return force without having the use of drain line (High force shaft seal)
• Higher efficiency
• Long daily life under extreme operating conditions
• Strong and compact style
• Higher radial and axial bearing capacity
• MR580729MR58571MR58571 Great high quality CV Axle Shaft Assembly FOR CZPT GALANT Saloon For programs in equally open and closed loop hydraulic systems
• Suitable for a broad variety of hydraulics fluids
hydraulic motor for Schwing hydraulic motor concrete pump other merchandise FAQ
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Types of Splines

There are four types of splines: Involute, Parallel key, helical, and ball. Learn about their characteristics. And, if you’re not sure what they are, you can always request a quotation. These splines are commonly used for building special machinery, repair jobs, and other applications. The CZPT Manufacturing Company manufactures these shafts. It is a specialty manufacturer and we welcome your business.
splineshaft

Involute splines

The involute spline provides a more rigid and durable structure, and is available in a variety of diameters and spline counts. Generally, steel, carbon steel, or titanium are used as raw materials. Other materials, such as carbon fiber, may be suitable. However, titanium can be difficult to produce, so some manufacturers make splines using other constituents.
When splines are used in shafts, they prevent parts from separating during operation. These features make them an ideal choice for securing mechanical assemblies. Splines with inward-curving grooves do not have sharp corners and are therefore less likely to break or separate while they are in operation. These properties help them to withstand high-speed operations, such as braking, accelerating, and reversing.
A male spline is fitted with an externally-oriented face, and a female spline is inserted through the center. The teeth of the male spline typically have chamfered tips to provide clearance with the transition area. The radii and width of the teeth of a male spline are typically larger than those of a female spline. These specifications are specified in ANSI or DIN design manuals.
The effective tooth thickness of a spline depends on the involute profile error and the lead error. Also, the spacing of the spline teeth and keyways can affect the effective tooth thickness. Involute splines in a splined shaft are designed so that at least 25 percent of the spline teeth engage during coupling, which results in a uniform distribution of load and wear on the spline.

Parallel key splines

A parallel splined shaft has a helix of equal-sized grooves around its circumference. These grooves are generally parallel or involute. Splines minimize stress concentrations in stationary joints and allow linear and rotary motion. Splines may be cut or cold-rolled. Cold-rolled splines have more strength than cut spines and are often used in applications that require high strength, accuracy, and a smooth surface.
A parallel key splined shaft features grooves and keys that are parallel to the axis of the shaft. This design is best suited for applications where load bearing is a primary concern and a smooth motion is needed. A parallel key splined shaft can be made from alloy steels, which are iron-based alloys that may also contain chromium, nickel, molybdenum, copper, or other alloying materials.
A splined shaft can be used to transmit torque and provide anti-rotation when operating as a linear guide. These shafts have square profiles that match up with grooves in a mating piece and transmit torque and rotation. They can also be easily changed in length, and are commonly used in aerospace. Its reliability and fatigue life make it an excellent choice for many applications.
The main difference between a parallel key splined shaft and a keyed shaft is that the former offers more flexibility. They lack slots, which reduce torque-transmitting capacity. Splines offer equal load distribution along the gear teeth, which translates into a longer fatigue life for the shaft. In agricultural applications, shaft life is essential. Agricultural equipment, for example, requires the ability to function at high speeds for extended periods of time.
splineshaft

Involute helical splines

Involute splines are a common design for splined shafts. They are the most commonly used type of splined shaft and feature equal spacing among their teeth. The teeth of this design are also shorter than those of the parallel spline shaft, reducing stress concentration. These splines can be used to transmit power to floating or permanently fixed gears, and reduce stress concentrations in the stationary joint. Involute splines are the most common type of splined shaft, and are widely used for a variety of applications in automotive, machine tools, and more.
Involute helical spline shafts are ideal for applications involving axial motion and rotation. They allow for face coupling engagement and disengagement. This design also allows for a larger diameter than a parallel spline shaft. The result is a highly efficient gearbox. Besides being durable, splines can also be used for other applications involving torque and energy transfer.
A new statistical model can be used to determine the number of teeth that engage for a given load. These splines are characterized by a tight fit at the major diameters, thereby transferring concentricity from the shaft to the female spline. A male spline has chamfered tips for clearance with the transition area. ANSI and DIN design manuals specify the different classes of fit.
The design of involute helical splines is similar to that of gears, and their ridges or teeth are matched with the corresponding grooves in a mating piece. It enables torque and rotation to be transferred to a mate piece while maintaining alignment of the two components. Different types of splines are used in different applications. Different splines can have different levels of tooth height.

Involute ball splines

When splines are used, they allow the shaft and hub to engage evenly over the shaft’s entire circumference. Because the teeth are evenly spaced, the load that they can transfer is uniform and their position is always the same regardless of shaft length. Whether the shaft is used to transmit torque or to transmit power, splines are a great choice. They provide maximum strength and allow for linear or rotary motion.
There are three basic types of splines: helical, crown, and ball. Crown splines feature equally spaced grooves. Crown splines feature involute sides and parallel sides. Helical splines use involute teeth and are often used in small diameter shafts. Ball splines contain a ball bearing inside the splined shaft to facilitate rotary motion and minimize stress concentration in stationary joints.
The two types of splines are classified under the ANSI classes of fit. Fillet root splines have teeth that mesh along the longitudinal axis of rotation. Flat root splines have similar teeth, but are intended to optimize strength for short-term use. Both types of splines are important for ensuring the shaft aligns properly and is not misaligned.
The friction coefficient of the hub is a complex process. When the hub is off-center, the center moves in predictable but irregular motion. Moreover, when the shaft is centered, the center may oscillate between being centered and being off-center. To compensate for this, the torque must be adequate to keep the shaft in its axis during all rotation angles. While straight-sided splines provide similar centering, they have lower misalignment load factors.
splineshaft

Keyed shafts

Essentially, splined shafts have teeth or ridges that fit together to transfer torque. Because splines are not as tall as involute gears, they offer uniform torque transfer. Additionally, they provide the opportunity for torque and rotational changes and improve wear resistance. In addition to their durability, splined shafts are popular in the aerospace industry and provide increased reliability and fatigue life.
Keyed shafts are available in different materials, lengths, and diameters. When used in high-power drive applications, they offer higher torque and rotational speeds. The higher torque they produce helps them deliver power to the gearbox. However, they are not as durable as splined shafts, which is why the latter is usually preferred in these applications. And while they’re more expensive, they’re equally effective when it comes to torque delivery.
Parallel keyed shafts have separate profiles and ridges and are used in applications requiring accuracy and precision. Keyed shafts with rolled splines are 35% stronger than cut splines and are used where precision is essential. These splines also have a smooth finish, which can make them a good choice for precision applications. They also work well with gears and other mechanical systems that require accurate torque transfer.
Carbon steel is another material used for splined shafts. Carbon steel is known for its malleability, and its shallow carbon content helps create reliable motion. However, if you’re looking for something more durable, consider ferrous steel. This type contains metals such as nickel, chromium, and molybdenum. And it’s important to remember that carbon steel is not the only material to consider.

China Sany Double Gear Pump Rexroth 1518222951 1518222951 Zoomlion Gear 1010000281 Concrete pump spare parts Hydraulic Agitator Motor drive shaft center bearing
editor by czh 2023-02-21

China SAE Spline Shaft Group 3 High Pressure Hydraulic Gear Pump with Aluminium Bodies drive shaft yoke

Guarantee: 1 Calendar year, Within 1 12 months
Showroom Area: None
Displacement: Other, 16.4ml/rev-66.5ml/rev
Pump Type: Gear Pump
Variety: Hydraulic Filters
Velocity: 600r/min-2400r/min
Strain: 180bar-250bar
Oil temperature: Max eighty diploma
Advisable fluids: Viscosity 37-73cSt,ISO18/13
Color: Black,Blue,Pink
Certificate: ISO9001
After Warranty Provider: No provider
Local Service Location: None
Right after-income Service Presented: Online assist
Packaging Information: SAE Spline Shaft group 3 substantial strain hydraulic equipment pump with aluminium bodies 1 product packed by yourself in carton with plastic bag
Port: ZheJiang

Equipment Pump Series	0P, 1P, RV Collection fourteen~190rpm Worm Gearing Pace Gearboxes reducer 1.5P, 2P, 2.5P, 2.8P, 3P, 3.5P, 4P
Strain	Two strain ratings, F and G
Efficiencies	Volumetric up to 98%, Higher top quality 55kw 75hp screw air compressor 220V380V Very hot sale air compressor mechanical up to 93%
Mountings	Flanges, shaft ends and ports
Seals	Viton,buna and EPR
Integrate	All pumps can be odered with reduction valve and verify valve

one. IntroductionExternal gear pumps from CZPT Hydraulics have a floating bushing characteristic with automatic axial clearance compensation. two. Advice· Hydraulic Fluid: Specifically for hydraulic gear, foamless, anticorrosive, noncorrosive. (Suggest use: GB11118-94: L-HM46 or equate NFE-603/DIN51524Ⅱ-eighty five)· Minimal operating speed: 0P=800RPM, FM OEM personalized created China Pulley Metal Wheel Provider Brass Wire Rope Turning Dry Sump Oil Pump Prolonged Unions CNC Machining Element 1P/3.5P/4P=600RPM, 1P～2.5P=500RPM, 3P=400RPM.· Fluid velocity: 1.6～5 ft/s (.5～1.5m/s) in the inlet line, 6.5～20 ft/s (2～6m/s) in the supply line, 5～10 ft/s (1.5～3m/s) in the return line.· Fluid Cleanliness: By much biggest amount of untimely failures of gear pumps are due to contamination, filtering with clogging indicating and alarms is advisable. The preliminary contamination of the fluid need to not exceed course ten NAS 1638.

The Functions of Splined Shaft Bearings

Functions

Types

Manufacturing methods

Applications

China SAE Spline Shaft Group 3 High Pressure Hydraulic Gear Pump with Aluminium Bodies drive shaft yoke
editor by czh 2023-02-21

China supplier Drilling Fluids Omph 50 Hydraulic Pump near me shop

Product Description

Drilling Fluids OMPH 50 hydraulic pump

OMP series motor are small volume, economical type, which is designed with shaft distribution flow, which adapt the Gerotor gear set design and provide compact volume, high power and low weigth.
Characteristic Features:
* Advanced manufacturing devices for the Gerotor gear set, which provide small volume, high efficiency and long life.
* Shaft seal can bear high pressure of motor of which can be used in parallel or series.
* Advanced construction design, high power and low weight.

hydraulic motor perfect replace
Parker hydraulic motor
White hydraulic motor
Eaton hydrualic motor
M+S hydraulic motor

Main Specifications:

Technical data for OMP with 25 and 1 in and 1 in splined and 28.56 tapered shaft

Type	Geometric displacement (cm3 /rev.)		Max. speed (rpm)	Max. torque (N•m)	Max. output (kW)	Max. pressure drop (MPa)	Max. flow (L/min)	Weight (kg)
OMP OMPH OMPW 50	51.7	cont.	1150	100	10.0	14	60	5.6
		int.	1450	128	12.0	17.5	75
		peak	—	148	—	22.5	—

* Continuous pressure:Max. value of operating motor continuously.
* Intermittent pressure :Max. value of operating motor in 6 seconds per minute.
* CZPT pressure:Max. value of operating motor in 0.6 second per minute.

Technical data for OMP with 31.75 and 32 shaft

Type	Geometric displacement (cm3 /rev.)		Max. speed (rpm)	Max. torque (N•m)	Max. output (kW)	Max. pressure drop (MPa)	Max. flow (L/min)	Weight (kg)
OMP OMPH 50	51.7	cont.	1150	100	10.0	14	60	6
		int.	1450	128	12.0	17.5	75
		peak	—	148	—	22.5	—

Company Information:

Elephant Fluid Power has been engaged in the hydraulic business since the beginning of the 20th century. It has a history of nearly 20 years and has always been upholding the principles of “quality first”, “credit first” and “zero complaint”, and has become a new leader in the hydraulics industry. CZPT Fluid Power insists on good products, good service, and has been providing customers with better, more comprehensive hydraulic products, and constantly.

If you are interested in our products, please contact me, I will provide the best price support and quality service.
I believe we will establish a good and long-term cooperation.

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

China supplier Drilling Fluids Omph 50 Hydraulic Pump near me shop

China manufacturer Hydraulic Maintenance Omp 80 Hydraulic Pump with Free Design Custom

Product Description

Hydraulic Maintenance OMP 80 hydraulic pump

hydraulic motor perfect replace
Parker hydraulic motor
White hydraulic motor
Eaton hydrualic motor
M+S hydraulic motor

Main Specifications:

Technical data for OMP with 25 and 1 in and 1 in splined and 28.56 tapered shaft

Type	Geometric displacement (cm3 /rev.)		Max. speed (rpm)	Max. torque (N•m)	Max. output (kW)	Max. pressure drop (MPa)	Max. flow (L/min)	Weight (kg)
OMP OMPH OMPW 50	51.7	cont.	1150	100	10.0	14	60	5.6
		int.	1450	128	12.0	17.5	75
		peak	—	148	—	22.5	—

Technical data for OMP with 31.75 and 32 shaft

Type	Geometric displacement (cm3 /rev.)		Max. speed (rpm)	Max. torque (N•m)	Max. output (kW)	Max. pressure drop (MPa)	Max. flow (L/min)	Weight (kg)
OMP OMPH 50	51.7	cont.	1150	100	10.0	14	60	6
		int.	1450	128	12.0	17.5	75
		peak	—	148	—	22.5	—

Company Information:

If you are interested in our products, please contact me, I will provide the best price support and quality service.
I believe we will establish a good and long-term cooperation.

The Functions of Splined Shaft Bearings

Functions

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China manufacturer Hydraulic Maintenance Omp 80 Hydraulic Pump with Free Design Custom

China supplier CZPT Motor Bmrs 36 Hydraulic Motors Concrete Pump Truck Excavator with Good quality

Product Description

Eaton Motor BMRS 36 Hydraulic Motors Concrete Pump Truck Excavator

BMRS series motor are small volume, economical type, which is designed with shaft
distribution flow, which adapt the Gerotor gear set design and provide compact volume,
high power and low weigth.

BMR Hydraulic Orbit Motor

Main Specification
Technical data for BMR with 25 and 1 in and 1 in splined and 28.56 tapered shaft

Type		BMR BMRS 36	BMR BMRS 50	BMR BMRS 80	BMR BMRS 100	BMR BMRS 125	BMR BMRS 160	BMR BMRS 200	BMR BMRS 250	BMR BMRS 315	BMR BMRS 375
Geometric displacement (cm3 /rev.)		36	51.7	81.5	102	127.2	157.2	194.5	253.3	317.5	381.4
Max. speed (rpm)	cont.	1250	960	750	600	475	378	310	240	190	155
Max. speed (rpm)	int.	1520	1150	940	750	600	475	385	300	240	190
Max. torque (N•m)	cont.	72	100	195	240	300	380	450	540	550	580
	int.	83	126	220	280	340	430	500	610	690	690
	peak	105	165	270	320	370	460	560	710	840	830
Max. output (kW)	cont	8.5	9.5	12.5	13.0	12.5	12.5	11.0	10.0	9.0	7.5
Max. output (kW)	int.	9.8	11.2	15.0	15.0	14.5	14.0	13.0	12.0	10.0	9.0
Max. pressure drop (MPa)	cont.	14.0	14	17.5	17.5	17.5	17.5	17.5	17.5	13.5	11.5
	int.	16.5	17.5	20	20	20	20	20	20	17.5	15
	peak	22.5	22.5	22.5	22.5	22.5	22.5	22.5	22.5	31	17.5
Max. flow (L/min)	cont.	45	50	60	60	60	60	60	60	60	60
Max. flow (L/min)	int.	55	60	75	75	75	75	75	75	75	75
Weight (kg)		6.5	6.7	6.9	7	7.3	7.6	8.0	8.5	9.0	9.5

* Continuous pressure:Max.value of operating motor continuously.
* Intermittent pressure:Max.value of operating motor in 6 seconds per minute .
* CZPT pressure:Max.value of operating motor in 0.6 second per minute.

Technical data for BMR with 31.75 and 32 shaft

Type		BMR BMRS 36	BMR BMRS 50	BMR BMRS 80	BMR BMRS 100	BMR BMRS 125	BMR BMRS 160	BMR BMRS 200	BMR BMRS 250	BMR BMRS 315	BMR BMRS 375
Geometric displacement (cm3 /rev.)		36	51.7	81.5	102	127.2	157.2	194.5	253.3	317.5	381.4
Max. speed (rpm)	cont.	1250	960	750	600	475	378	310	240	190	155
Max. speed (rpm)	int.	1520	1150	940	750	600	475	385	300	240	190
Max. torque (N•m)	cont.	72	100	195	240	300	380	450	540	550	580
	int.	83	126	220	280	340	430	500	610	690	690
	peak	105	165	270	320	370	460	560	710	840	830
Max. output (kW)	cont.	8.5	9.5	12.5	13.0	12.5	12.5	11.0	10.0	9.0	7.5
Max. output (kW)	int.	9.8	11.2	15.0	15.0	14.5	14.0	13.0	12.0	10.0	9.0
Max. pressure drop (MPa)	cont.	14.0	14	17.5	17.5	17.5	17.5	17.5	17.5	13.5	11.5
	int.	16.5	17.5	20	20	20	20	20	20	17.5	15
	peak	22.5	22.5	22.5	22.5	22.5	22.5	22.5	22.5	21	17.5
Max. flow (L/min)	cont.	45	50	60	60	60	60	60	60	60	60
Max. flow (L/min)	int.	55	60	75	75	75	75	75	75	75	75
Weight (kg)		6.5	6.7	6.9	7	7.3	7.6	8.0	8.5	9.0	9.5

* Continuous pressure:Max.value of operating motor continuously.
* Intermittent pressure:Max.value of operating motor in 6 seconds per minute .
* CZPT pressure:Max.value of operating motor in 0.6 second per minute.

1.1 Output steering

1.2 The correct use of the motor will directly affect the working life. Therefore, the following basic requirements must be met.

1.2.1 System requirements

The system should be equipped with a corresponding oil filter to ensure the cleanliness of the system oil.
The hydraulic circuit must be equipped with a cooling system to prevent excessive oil temperature.
Pressure gauges and thermometers must be installed in the oil inlet lines.
A pressure gauge should be installed in the hydraulic circuit of the hydraulic pump.

1.2.2 System hydraulic oil requirements

According to the different ambient temperature and usage, the oil used should have good viscosity-temperature performance, good defoaming properties, anti-oxidation, anti-rust, high flash point, etc. During the operation of the motor, its viscosity is between (25-70)*10-6m2/s, and the water, alkali and mechanical impurities in the oil must not exceed the allowable value.

It is recommended to use YB-N46, YB-N68 anti-wear hydraulic oil.
The filtration accuracy of the system is better than 20μm.,
Normal working oil temperature is 25-55ºC, short-term working oil temperature is not higher than 65ºC.

2. Motor installation

Before installation, check whether the motor is damaged. The motor oil stored for a long time needs to be drained and rinsed to prevent the internal moving parts from sticking.
The motor mounting bracket must have sufficient rigidity to prevent shock and vibration during rotation.
The mounting bolts must be tightened evenly.
Connection method of drain pipe:
The BMR motor has 2 built-in check valves, and the leaked oil can return to the oil return pipe through the check valve

A) When the oil return pressure is ≤1Mpa, there is no need to connect the drain pipe;
B) When the oil return pressure is greater than 1Mpa, the drain pipe must be connected. (Drain pipe location diagram)

The motor is unstable when running at low speed, and can be eliminated by applying back pressure, the back pressure value is not less than 0.2Mpa.
This type of motor can not be operated under the pump working conditions, nor can it be used as a pump.
The installation surface should be flat.
The installation should determine the connection flange, the stop, and the output connection shaft size is accurate.
Ensure that the output shaft and the device connected to the transmission have good concentricity. When the output shaft is installed, it is necessary to prevent the axial thrust of the output shaft and the interlocking device.
(The cycloidal motor BMR bears a small radial force.),
During the installation process, the smoothness and parallelism of the connecting plate part of the oil inlet and outlet are protected to prevent the oil sealing effect caused by the bumps from being bad, resulting in oil leakage.
The screws and the rear cover of the rear of the motor must not be hit during installation.
If you want to tap, please tap the mounting flange.
The motor cannot be installed forcefully or twisted.,
Do not remove the plastic plugs above the pipelines and oil pipes before they are installed.

Company Information:

If you are interested in our products, please contact me, I will provide the best price support and quality service.
I believe we will establish a good and long-term cooperation.

What Are the Advantages of a Splined Shaft?

If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft?
Stainless steel is the best material for splined shafts

When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are 2 main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available.
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each 1 is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.
splineshaft

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of 2 main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material.
Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure.
The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation.
A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear.
A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft.
The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.
splineshaft

They can be machined using a slotting or shaping machine

Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter.
When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved.
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are 2 common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability.
Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards.
A milling machine is another option for producing splined shafts. A spline shaft can be set up between 2 centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.

China supplier CZPT Motor Bmrs 36 Hydraulic Motors Concrete Pump Truck Excavator with Good quality

China high quality Concrete Pump Truck Wheel Loader BMP 250 Hydraulic Motors near me manufacturer

Product Description

concrete pump truck wheel loader BMP 250 Hydraulic Motors

BMP series motor are small volume, economical type, which is designed with shaft distribution flow, which adapt the Gerotor gear set design and provide compact volume, high power and low weigth.

Hydraulic Orbit Motor BMP

Main Specification:

Technical data for BMP with 25 and 1 in and 1 in splined and 28.56 tapered shaft:

Type	Geometric displacement (cm3 /rev.)		Max. speed (rpm)	Max. torque (N•m)	Max. output (kW)	Max. pressure drop (MPa)	Max. flow (L/min)	Weight (kg)
BMP BMPH BMPW 250	240.3	cont.	250	380	8.5	11	60	7
		int.	310	460	10.5	14	75
		peak	—	550	—	18	—

Technical data for BMP with 31.75 and 32 shaft

Type	Geometric displacement (cm3 /rev.)		Max. speed (rpm)	Max. torque (N•m)	Max. output (kW)	Max. pressure drop (MPa)	Max. flow (L/min)	Weight (kg)
BMP BMPH BMPW 250	240.3	cont.	250	460	8.5	14	60	7
		int.	310	570	10.5	17.5	75
		peak	—	670	—	22.5	—

BM Series Orbit hydraulic motor product manual

1. Matters needing attention

1.1 Output steering

1.2 The correct use of the motor will directly affect the working life. Therefore, the following basic requirements must be met.

1.2.1 System requirements

The system should be equipped with a corresponding oil filter to ensure the cleanliness of the system oil.
The hydraulic circuit must be equipped with a cooling system to prevent excessive oil temperature.
Pressure gauges and thermometers must be installed in the oil inlet lines.
A pressure gauge should be installed in the hydraulic circuit of the hydraulic pump.

1.2.2 System hydraulic oil requirements

It is recommended to use YB-N46, YB-N68 anti-wear hydraulic oil.
The filtration accuracy of the system is better than 20μm.,
Normal working oil temperature is 25-55ºC, short-term working oil temperature is not higher than 65ºC.

2. Motor installation

The motor is unstable when running at low speed, and can be eliminated by applying back pressure, the back pressure value is not less than 0.2Mpa.
This type of motor can not be operated under the pump working conditions, nor can it be used as a pump.
The installation surface should be flat.
The installation should determine the connection flange, the stop, and the output connection shaft size is accurate.
Ensure that the output shaft and the device connected to the transmission have good concentricity. When the output shaft is installed, it is necessary to prevent the axial thrust of the output shaft and the interlocking device.
(The cycloidal motor BMR bears a small radial force.),
During the installation process, the smoothness and parallelism of the connecting plate part of the oil inlet and outlet are protected to prevent the oil sealing effect caused by the bumps from being bad, resulting in oil leakage.
The screws and the rear cover of the rear of the motor must not be hit during installation.
If you want to tap, please tap the mounting flange.
The motor cannot be installed forcefully or twisted.,
Do not remove the plastic plugs above the pipelines and oil pipes before they are installed.

Company Information:

If you are interested in our products, please contact me, I will provide the best price support and quality service.
I believe we will establish a good and long-term cooperation.

What Are the Advantages of a Splined Shaft?

They provide low noise, low wear and fatigue failure

They can be machined using a slotting or shaping machine

China Hot selling China Omp100cc Orbit Hydraulic Motor Drive Pump near me supplier

Product Description

OMP1
Fax:

Types of Splines

There are 4 types of splines: Involute, Parallel key, helical, and ball. Learn about their characteristics. And, if you’re not sure what they are, you can always request a quotation. These splines are commonly used for building special machinery, repair jobs, and other applications. The CZPT Manufacturing Company manufactures these shafts. It is a specialty manufacturer and we welcome your business.

Involute splines

The involute spline provides a more rigid and durable structure, and is available in a variety of diameters and spline counts. Generally, steel, carbon steel, or titanium are used as raw materials. Other materials, such as carbon fiber, may be suitable. However, titanium can be difficult to produce, so some manufacturers make splines using other constituents.
When splines are used in shafts, they prevent parts from separating during operation. These features make them an ideal choice for securing mechanical assemblies. Splines with inward-curving grooves do not have sharp corners and are therefore less likely to break or separate while they are in operation. These properties help them to withstand high-speed operations, such as braking, accelerating, and reversing.
A male spline is fitted with an externally-oriented face, and a female spline is inserted through the center. The teeth of the male spline typically have chamfered tips to provide clearance with the transition area. The radii and width of the teeth of a male spline are typically larger than those of a female spline. These specifications are specified in ANSI or DIN design manuals.
The effective tooth thickness of a spline depends on the involute profile error and the lead error. Also, the spacing of the spline teeth and keyways can affect the effective tooth thickness. Involute splines in a splined shaft are designed so that at least 25 percent of the spline teeth engage during coupling, which results in a uniform distribution of load and wear on the spline.

Parallel key splines

A parallel splined shaft has a helix of equal-sized grooves around its circumference. These grooves are generally parallel or involute. Splines minimize stress concentrations in stationary joints and allow linear and rotary motion. Splines may be cut or cold-rolled. Cold-rolled splines have more strength than cut spines and are often used in applications that require high strength, accuracy, and a smooth surface.
A parallel key splined shaft features grooves and keys that are parallel to the axis of the shaft. This design is best suited for applications where load bearing is a primary concern and a smooth motion is needed. A parallel key splined shaft can be made from alloy steels, which are iron-based alloys that may also contain chromium, nickel, molybdenum, copper, or other alloying materials.
A splined shaft can be used to transmit torque and provide anti-rotation when operating as a linear guide. These shafts have square profiles that match up with grooves in a mating piece and transmit torque and rotation. They can also be easily changed in length, and are commonly used in aerospace. Its reliability and fatigue life make it an excellent choice for many applications.
The main difference between a parallel key splined shaft and a keyed shaft is that the former offers more flexibility. They lack slots, which reduce torque-transmitting capacity. Splines offer equal load distribution along the gear teeth, which translates into a longer fatigue life for the shaft. In agricultural applications, shaft life is essential. Agricultural equipment, for example, requires the ability to function at high speeds for extended periods of time.

Involute helical splines

Involute splines are a common design for splined shafts. They are the most commonly used type of splined shaft and feature equal spacing among their teeth. The teeth of this design are also shorter than those of the parallel spline shaft, reducing stress concentration. These splines can be used to transmit power to floating or permanently fixed gears, and reduce stress concentrations in the stationary joint. Involute splines are the most common type of splined shaft, and are widely used for a variety of applications in automotive, machine tools, and more.
Involute helical spline shafts are ideal for applications involving axial motion and rotation. They allow for face coupling engagement and disengagement. This design also allows for a larger diameter than a parallel spline shaft. The result is a highly efficient gearbox. Besides being durable, splines can also be used for other applications involving torque and energy transfer.
A new statistical model can be used to determine the number of teeth that engage for a given load. These splines are characterized by a tight fit at the major diameters, thereby transferring concentricity from the shaft to the female spline. A male spline has chamfered tips for clearance with the transition area. ANSI and DIN design manuals specify the different classes of fit.
The design of involute helical splines is similar to that of gears, and their ridges or teeth are matched with the corresponding grooves in a mating piece. It enables torque and rotation to be transferred to a mate piece while maintaining alignment of the 2 components. Different types of splines are used in different applications. Different splines can have different levels of tooth height.

Involute ball splines

When splines are used, they allow the shaft and hub to engage evenly over the shaft’s entire circumference. Because the teeth are evenly spaced, the load that they can transfer is uniform and their position is always the same regardless of shaft length. Whether the shaft is used to transmit torque or to transmit power, splines are a great choice. They provide maximum strength and allow for linear or rotary motion.
There are 3 basic types of splines: helical, crown, and ball. Crown splines feature equally spaced grooves. Crown splines feature involute sides and parallel sides. Helical splines use involute teeth and are often used in small diameter shafts. Ball splines contain a ball bearing inside the splined shaft to facilitate rotary motion and minimize stress concentration in stationary joints.
The 2 types of splines are classified under the ANSI classes of fit. Fillet root splines have teeth that mesh along the longitudinal axis of rotation. Flat root splines have similar teeth, but are intended to optimize strength for short-term use. Both types of splines are important for ensuring the shaft aligns properly and is not misaligned.
The friction coefficient of the hub is a complex process. When the hub is off-center, the center moves in predictable but irregular motion. Moreover, when the shaft is centered, the center may oscillate between being centered and being off-center. To compensate for this, the torque must be adequate to keep the shaft in its axis during all rotation angles. While straight-sided splines provide similar centering, they have lower misalignment load factors.

Keyed shafts

Essentially, splined shafts have teeth or ridges that fit together to transfer torque. Because splines are not as tall as involute gears, they offer uniform torque transfer. Additionally, they provide the opportunity for torque and rotational changes and improve wear resistance. In addition to their durability, splined shafts are popular in the aerospace industry and provide increased reliability and fatigue life.
Keyed shafts are available in different materials, lengths, and diameters. When used in high-power drive applications, they offer higher torque and rotational speeds. The higher torque they produce helps them deliver power to the gearbox. However, they are not as durable as splined shafts, which is why the latter is usually preferred in these applications. And while they’re more expensive, they’re equally effective when it comes to torque delivery.
Parallel keyed shafts have separate profiles and ridges and are used in applications requiring accuracy and precision. Keyed shafts with rolled splines are 35% stronger than cut splines and are used where precision is essential. These splines also have a smooth finish, which can make them a good choice for precision applications. They also work well with gears and other mechanical systems that require accurate torque transfer.
Carbon steel is another material used for splined shafts. Carbon steel is known for its malleability, and its shallow carbon content helps create reliable motion. However, if you’re looking for something more durable, consider ferrous steel. This type contains metals such as nickel, chromium, and molybdenum. And it’s important to remember that carbon steel is not the only material to consider.

This entry was posted in Product Catalog and tagged china hydraulic motor, china hydraulic pump, china motor, hydraulic, hydraulic drive, hydraulic drive motor, hydraulic drive pump, hydraulic pump, hydraulic pump motor, hydraulic pump pump, motor, motor drive, motor hydraulic, motor motor, motor pump, orbit hydraulic, orbit hydraulic motor, pump motor on July 6, 2022 by ep.

China supplier BMP100 CZPT Hydraulic Motors Concrete Pump Truck Bulldozer with Hot selling

Product Description

BMP100 CZPT Hydraulic Motors Concrete Pump Truck Bulldozer

BMP series motor are small volume, economical type, which is designed with shaft distribution flow, which adapt the Gerotor gear set design and provide compact volume, high power and low weigth.
Characteristic Features:
* Advanced manufacturing devices for the Gerotor gear set, which provide small volume, high efficiency and long life.
* Shaft seal can bear high pressure of motor of which can be used in parallel or series.
* Advanced construction design, high power and low weight.

Hydraulic Orbit Motor BMP

Main Specifications:

Technical data for BMP with 25 and 1 in and 1 in splined and 28.56 tapered shaft:

Main Specifications:

Type
BMP

BMPH

BMPW

36

BMP

BMPH

BMPW

50

BMP

BMPH

BMPW

80

BMP

BMPH

BMPW

100

BMP

BMPH

BMPW

125

BMP

BMPH

BMPW

160

BMP

BMPH

BMPW

200

BMP

BMPH

BMPW

250

BMP

BMPH

BMPW

315

BMP

BMPH

BMPW

400

BMP

BMPH

BMPW

500

Geometric displacement (cm3 /rev.) 36 51.7 77.7 96.2 120.2 157.2 194.5 240.3 314.5 389.5 486.5

Max. speed (rpm) cont. 1500 1150 770 615 490 383 310 250 192 155 120

int. 1650 1450 960 770 615 475 385 310 240 190 150

Max. torque (N•m) cont. 55 100 146 182 236 302 360 380 375 360 385

int. 76 128 186 227 290 370 440 460 555 525 560

peak 96 148 218 264 360 434 540 550 650 680 680

Max. output (kW) cont. 8.0 10.0 10.0 11.0 10.0 10.0 10.0 8.5 7.0 6.0 5.0

int. 11.5 12.0 12.0 13.0 12.0 12.0 12.0 10.5 8.5 7.0 6.0

Max. pressure
drop (MPa) cont. 12.5 14 14 14 14 14 14 11 9 7 6

int. 16.5 17.5 17.5 17.5 17.5 17.5 17.5 14 14 10.5 9

peak 22.5 22.5 22.5 22.5 22.5 22.5 22.5 18 16 14 12

Max. flow (L/min) cont. 55 60 60 60 60 60 60 60 60 60 60

int. 60 75 75 75 75 75 75 75 75 75 75

Weight (kg) 5.6 5.6 5.7 5.9 6.0 6.2 6.4 7 6.9 7.4 8

* Continuous pressure:Max. value of operating motor continuously.
* Intermittent pressure :Max. value of operating motor in 6 seconds per minute.
* CZPT pressure:Max. value of operating motor in 0.6 second per minute.

Company Information:

Elephant Fluid Power has been engaged in the hydraulic business since the beginning of the 20th century. It has a history of nearly 20 years and has always been upholding the principles of “quality first”, “credit first” and “zero complaint”, and has become a new leader in the hydraulics industry. CZPT Fluid Power insists on good products, good service, and has been providing customers with better, more comprehensive hydraulic products, and constantly.

If you are interested in our products, please contact me, I will provide the best price support and quality service.
I believe we will establish a good and long-term cooperation.

What Are the Advantages of a Splined Shaft?

If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft?
Stainless steel is the best material for splined shafts
When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are 2 main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available.
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each 1 is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of 2 main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material.
Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure.
The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation.
A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear.
A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft.
The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.

They can be machined using a slotting or shaping machine

Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter.
When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved.
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are 2 common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability.
Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards.
A milling machine is another option for producing splined shafts. A spline shaft can be set up between 2 centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.

This entry was posted in Product Catalog and tagged china hydraulic motors, china hydraulic pump, china motors, concrete hydraulic pump, hydraulic, hydraulic bulldozer, hydraulic motors, hydraulic pump, hydraulic pump concrete, hydraulic pump motors, hydraulic pump pump, hydraulic truck, motors, motors hydraulic, motors motors, motors pump, pump motors on July 6, 2022 by ep.

China Professional Orbit Motor Bmrs 36 Hydraulic Motors Concrete Pump Truck near me shop

Product Description

Orbit Motor BMRS 36 Hydraulic Motors Concrete Pump Truck

BMRS series motor are small volume, economical type, which is designed with shaft
distribution flow, which adapt the Gerotor gear set design and provide compact volume,
high power and low weigth.

BMR Hydraulic Orbit Motor

Main Specification
Technical data for BMR with 25 and 1 in and 1 in splined and 28.56 tapered shaft

Type
BMR

BMRS

36

BMR

BMRS

50

BMR

BMRS

80

BMR

BMRS

100

BMR

BMRS

125

BMR

BMRS

160

BMR

BMRS

200

BMR

BMRS

250

BMR

BMRS

315

BMR

BMRS

375

Geometric displacement (cm3 /rev.) 36 51.7 81.5 102 127.2 157.2 194.5 253.3 317.5 381.4

Max. speed

(rpm)
cont. 1250 960 750 600 475 378 310 240 190 155

int. 1520 1150 940 750 600 475 385 300 240 190

Max. torque

(N•m)
cont. 72 100 195 240 300 380 450 540 550 580

int. 83 126 220 280 340 430 500 610 690 690

peak 105 165 270 320 370 460 560 710 840 830

Max. output

(kW)
cont 8.5 9.5 12.5 13.0 12.5 12.5 11.0 10.0 9.0 7.5

int. 9.8 11.2 15.0 15.0 14.5 14.0 13.0 12.0 10.0 9.0

Max. pressure
drop

(MPa)
cont. 14.0 14 17.5 17.5 17.5 17.5 17.5 17.5 13.5 11.5

int. 16.5 17.5 20 20 20 20 20 20 17.5 15

peak 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5 31 17.5

Max. flow

(L/min)
cont. 45 50 60 60 60 60 60 60 60 60

int. 55 60 75 75 75 75 75 75 75 75

Weight (kg) 6.5 6.7 6.9 7 7.3 7.6 8.0 8.5 9.0 9.5

* Continuous pressure:Max.value of operating motor continuously.
* Intermittent pressure:Max.value of operating motor in 6 seconds per minute .
* CZPT pressure:Max.value of operating motor in 0.6 second per minute.

Technical data for BMR with 31.75 and 32 shaft

Type
BMR

BMRS

36

BMR

BMRS

50

BMR

BMRS

80

BMR

BMRS

100

BMR

BMRS

125

BMR

BMRS

160

BMR

BMRS

200

BMR

BMRS

250

BMR

BMRS

315

BMR

BMRS

375

Geometric displacement (cm3 /rev.) 36 51.7 81.5 102 127.2 157.2 194.5 253.3 317.5 381.4

Max. speed

(rpm)
cont. 1250 960 750 600 475 378 310 240 190 155

int. 1520 1150 940 750 600 475 385 300 240 190

Max. torque

(N•m)
cont. 72 100 195 240 300 380 450 540 550 580

int. 83 126 220 280 340 430 500 610 690 690

peak 105 165 270 320 370 460 560 710 840 830

Max. output

(kW)
cont. 8.5 9.5 12.5 13.0 12.5 12.5 11.0 10.0 9.0 7.5

int. 9.8 11.2 15.0 15.0 14.5 14.0 13.0 12.0 10.0 9.0

Max. pressure
drop

(MPa)
cont. 14.0 14 17.5 17.5 17.5 17.5 17.5 17.5 13.5 11.5

int. 16.5 17.5 20 20 20 20 20 20 17.5 15

peak 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5 21 17.5

Max. flow

(L/min)
cont. 45 50 60 60 60 60 60 60 60 60

int. 55 60 75 75 75 75 75 75 75 75

Weight (kg) 6.5 6.7 6.9 7 7.3 7.6 8.0 8.5 9.0 9.5

* Continuous pressure:Max.value of operating motor continuously.
* Intermittent pressure:Max.value of operating motor in 6 seconds per minute .
* CZPT pressure:Max.value of operating motor in 0.6 second per minute.

1.1 Output steering

1.2 The correct use of the motor will directly affect the working life. Therefore, the following basic requirements must be met.

1.2.1 System requirements

The system should be equipped with a corresponding oil filter to ensure the cleanliness of the system oil.

The hydraulic circuit must be equipped with a cooling system to prevent excessive oil temperature.

Pressure gauges and thermometers must be installed in the oil inlet lines.

A pressure gauge should be installed in the hydraulic circuit of the hydraulic pump.

1.2.2 System hydraulic oil requirements

According to the different ambient temperature and usage, the oil used should have good viscosity-temperature performance, good defoaming properties, anti-oxidation, anti-rust, high flash point, etc. During the operation of the motor, its viscosity is between (25-70)*10-6m2/s, and the water, alkali and mechanical impurities in the oil must not exceed the allowable value.

It is recommended to use YB-N46, YB-N68 anti-wear hydraulic oil.

The filtration accuracy of the system is better than 20μm.,

Normal working oil temperature is 25-55ºC, short-term working oil temperature is not higher than 65ºC.

2. Motor installation

Before installation, check whether the motor is damaged. The motor oil stored for a long time needs to be drained and rinsed to prevent the internal moving parts from sticking.
The motor mounting bracket must have sufficient rigidity to prevent shock and vibration during rotation.
The mounting bolts must be tightened evenly.
Connection method of drain pipe:
The BMR motor has 2 built-in check valves, and the leaked oil can return to the oil return pipe through the check valve

A) When the oil return pressure is ≤1Mpa, there is no need to connect the drain pipe;
B) When the oil return pressure is greater than 1Mpa, the drain pipe must be connected. (Drain pipe location diagram)

The motor is unstable when running at low speed, and can be eliminated by applying back pressure, the back pressure value is not less than 0.2Mpa.

This type of motor can not be operated under the pump working conditions, nor can it be used as a pump.

The installation surface should be flat.

The installation should determine the connection flange, the stop, and the output connection shaft size is accurate.

Ensure that the output shaft and the device connected to the transmission have good concentricity. When the output shaft is installed, it is necessary to prevent the axial thrust of the output shaft and the interlocking device.
(The cycloidal motor BMR bears a small radial force.),

During the installation process, the smoothness and parallelism of the connecting plate part of the oil inlet and outlet are protected to prevent the oil sealing effect caused by the bumps from being bad, resulting in oil leakage.

The screws and the rear cover of the rear of the motor must not be hit during installation.
If you want to tap, please tap the mounting flange.

The motor cannot be installed forcefully or twisted.,

Do not remove the plastic plugs above the pipelines and oil pipes before they are installed.

Company Information:

Elephant Fluid Power has been engaged in the hydraulic business since the beginning of the 20th century. It has a history of nearly 20 years and has always been upholding the principles of “quality first”, “credit first” and “zero complaint”, and has become a new leader in the hydraulics industry. CZPT Fluid Power insists on good products, good service, and has been providing customers with better, more comprehensive hydraulic products, and constantly.

If you are interested in our products, please contact me, I will provide the best price support and quality service.
I believe we will establish a good and long-term cooperation.

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

This entry was posted in Product Catalog and tagged china hydraulic motor, china hydraulic motors, china hydraulic pump, china motor, china motors, concrete hydraulic pump, hydraulic, hydraulic motors, hydraulic pump, hydraulic pump concrete, hydraulic pump motor, hydraulic pump motors, hydraulic pump pump, hydraulic shop, hydraulic truck, motor, motor hydraulic, motor motor, motor pump, motors, motors hydraulic, motors motors, motors pump, orbit hydraulic, orbit hydraulic motor, orbit hydraulic motors, pump motor, pump motors on July 6, 2022 by ep.

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Main Specifications:
Type		BMP BMPH BMPW 36	BMP BMPH BMPW 50	BMP BMPH BMPW 80	BMP BMPH BMPW 100	BMP BMPH BMPW 125	BMP BMPH BMPW 160	BMP BMPH BMPW 200	BMP BMPH BMPW 250	BMP BMPH BMPW 315	BMP BMPH BMPW 400	BMP BMPH BMPW 500
Geometric displacement (cm3 /rev.)		36	51.7	77.7	96.2	120.2	157.2	194.5	240.3	314.5	389.5	486.5
Max. speed (rpm)	cont.	1500	1150	770	615	490	383	310	250	192	155	120
Max. speed (rpm)	int.	1650	1450	960	770	615	475	385	310	240	190	150
Max. torque (N•m)	cont.	55	100	146	182	236	302	360	380	375	360	385
	int.	76	128	186	227	290	370	440	460	555	525	560
	peak	96	148	218	264	360	434	540	550	650	680	680
Max. output (kW)	cont.	8.0	10.0	10.0	11.0	10.0	10.0	10.0	8.5	7.0	6.0	5.0
Max. output (kW)	int.	11.5	12.0	12.0	13.0	12.0	12.0	12.0	10.5	8.5	7.0	6.0
Max. pressure drop (MPa)	cont.	12.5	14	14	14	14	14	14	11	9	7	6
	int.	16.5	17.5	17.5	17.5	17.5	17.5	17.5	14	14	10.5	9
	peak	22.5	22.5	22.5	22.5	22.5	22.5	22.5	18	16	14	12
Max. flow (L/min)	cont.	55	60	60	60	60	60	60	60	60	60	60
Max. flow (L/min)	int.	60	75	75	75	75	75	75	75	75	75	75
Weight (kg)		5.6	5.6	5.7	5.9	6.0	6.2	6.4	7	6.9	7.4	8