توضیحات محصول
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Products shown here are made to the requirements of specific customers and are illustrative of the types of manufacturing capabilities available within CHINAMFG group of companies. CHINAMFG policy is that none of these products will be sold to 3rd parties without written consent of the customers to whom the tooling, design and specifications belong.
Product Profile
| 1. Marterial percentage | alloy steel:45% carbon steel:35% stainless steel:10% iron:10% |
| 2. Casting weight percentage | 0.1-5kg:40% 5-20kg:30% 20-40kg:20% above 40kg:10% |
| 3. Industry percentage | Components for train & railway: 25% Components for automobile & truck: 30% Components for construction machinery & forklift: 25% Components for agricultural machinery: 10% Other machinery compponents: 10% |
| 4. Globa market share | United States:30% Europe:35% Japan& Korea:15% Domestic market:15% Other:5% |
| 5. Production capacity | Production Capacity: 20,000 tons / year The Current Production Output: 15,000 tons / year Open Capacity Percentage: 25% |
Manufacturing Process
Process design⇒ Tooling making ⇒ Wax injection ⇒Wax pattern assembly⇒ Mold preheat ⇒ Wax removal ⇒Stuccoing ⇒Dipping Casting⇒ Mold shake out ⇒Work piece cut-off ⇒ Grinding ⇒ Pack& transport ⇒ Final inspection ⇒Machining ⇒ Heat treatment
APQP and Inspection Report
| APQP-Casting 1. Process Flow Diagrams 2. Control Plan 3. Process FMEA 4. Casting Process Instruction 5. Solidification Simulation Report 6. Heat Treatment Work Instruction 7. Casting Final Quality Control WI 8. Visual Inspection VI For Surface Irregularities | Inspection Report-Casting 1. Material Test Report(A) 2. Material Test Report(B) 3. Magnetic Particle Inspection Report 4. Ultrasonic Examination Report 5. Radiographic Test Report 6. Destructive Test Report 7. Coating Test Report 8. Visual Inspection Report 9. Casting Inspection Report |
| APQP-Machining 1. Process Flow Diagrams 2. Control Plan 3. Process FMEA 4. Machining Process Instruction 5. Gauge List And Validation Plan 6. Final Quality Control | Other Quality Document 1. PPAP Checklist 2.Measurement System Analysis Study 3. Process Capability Studies 4. Corrective Action Report(8D) 5. Packaging Instruction |
| Inspection Report-Machining 1. Dimensional Inspection Report(A) 2. Dimensional Inspection Report(B) 3. CMM Report | |
Key Testing Equipment
| Application | |||||
| • Agricultural equipment | • Armament | • Automobile industry | • Computing equipment | • Medical / dental instruments | • Measuring instruments |
| •Miscellaneous equipment | •Pharmaceutical industry | • Orthopedic implants | • Safety equipment | • Petrochemical industry | • Industrial valves |
| •Fixing and movable equipment | • Sanitary fittings | • General machinery | • Pumps and general connections | • Food and beverage processing | • Instrumentation equipment |
Technical Support:
ZheJiang Matech is professional at independent development and design. Our engineers are skilled at AUTO CAD, PRO ENGINEER, SOLID WORKS and other 2D & 3D softwares. We are able to design, develop,produce and deliver your PO according to your drawings, samples or just an idea. Dural control of standard products and OEM products.
Quality Control:
1) Checking the raw material after they reach our factory——- Incoming quality control ( IQC)
2) Checking the details before the production line operated
3) Have full inspection and routing inspection during mass production—In process quality control(IPQC)
4) Checking the goods after they are finished—- Final quality control(FQC)
5) Checking the goods after they are finished—–Outgoing quality control(OQC)
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Our Company
ZheJiang CHINAMFG Machinery Manufacture Co., Ltd.
–Branch of CHINAMFG Industry Ltd.
We specialize in Metal Parts Solution for Vehicle, Agriculture machine, Construction Machine, transportation equipment, Valve and Pump system.
With keeping manufacturing process design, quality plHangZhou, key manufacturing processes and final quality control in house.
We are mastering key competence to supply quality mechanical parts and assembly to our customers for both Chinese and Export Market.
To satisfy different mechanical and functional requirements from our customers we are making a big range of metal products for our clients on base of different blanks solutions and technologies.
These blanks solutions and technologies include processes of Iron Casting, Steel Casting, Stainless Steel Casting, Aluminum Casting and Forging.
During the early involvement of the customer’s design process we are giving professional input to our customers in terms of process feasibility, cost reduction and function approach.
You are welcome to contact us for technical enquiry and business cooperation.
FAQ:
1. Are you a manufacturer or a trading company?
We are a professional manufacturer with over 15 years’ export experience for designing and producing vehicle machinery parts.
2. How can I get some samples?
If you need, we are glad to offer you samples for free, but the new clients are expected to pay the courier cost,
and the charge will be deducted from the payment for formal order.
3. Can you make casting according to our drawing?
Yes, we can make casting according to your drawing, 2D drawing, or 3D cad model. If the 3D cad model can be supplied,
the development of the tooling can be more efficient. But without 3D, based on 2D drawing we can still make the samples properly approved.
4. Can you make casting based on our samples?
Yes, we can make measurement based on your samples to make drawings for tooling making.
5. What’s your quality control device in house?
We have spectrometer in house to monitor the chemical property, tensile test machine to control the mechanical property and UT Sonic as NDT checking method to control the casting detect under the surface of casting
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| Casting Method: | Investment Casting |
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| Casting Form Material: | G25crmo4, G35, Wcb |
| Casting Metal: | Cast Steel |
| Samples: | US$ 4.56/kg 1 kg(Min.Order) | Order Sample |
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| سفارشی سازی: | موجود است | درخواست سفارشی |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost: Estimated freight per unit. | about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How does the design of a spline shaft affect its performance?
The design of a spline shaft plays a crucial role in determining its performance characteristics. Here’s a detailed explanation:
1. Torque Transmission:
The design of the spline shaft directly affects its ability to transmit torque efficiently. Factors such as the spline profile, number of splines, and engagement length influence the torque-carrying capacity of the shaft. A well-designed spline profile with optimized dimensions ensures maximum contact area and load distribution, resulting in improved torque transmission.
۲. توزیع بار:
A properly designed spline shaft distributes the applied load evenly across the engagement surfaces. This helps to minimize stress concentrations and prevents localized wear or failure. The design should consider factors such as spline profile geometry, tooth form, and surface finish to achieve optimal load distribution and enhance the overall performance of the shaft.
3. Misalignment Compensation:
Spline shafts can accommodate a certain degree of misalignment between the mating components. The design of the spline profile can incorporate features that allow for angular or parallel misalignment, ensuring effective power transmission even under misaligned conditions. Proper design considerations help maintain smooth operation and prevent excessive stress or premature failure.
4. Torsional Stiffness:
The design of the spline shaft influences its torsional stiffness, which is the resistance to twisting under torque. A stiffer shaft design reduces torsional deflection, improves torque response, and enhances the system’s overall performance. The shaft material, diameter, and spline profile all contribute to achieving the desired torsional stiffness.
5. Fatigue Resistance:
The design of the spline shaft should consider fatigue resistance to ensure long-term durability. Fatigue failure can occur due to repeated or cyclic loading. Proper design practices, such as optimizing the spline profile, selecting appropriate materials, and incorporating suitable surface treatments, can enhance the fatigue resistance of the shaft and extend its service life.
6. Surface Finish and Lubrication:
The surface finish of the spline shaft and the lubrication used significantly impact its performance. A smooth surface finish reduces friction, wear, and the potential for corrosion. Proper lubrication ensures adequate film formation, reduces heat generation, and minimizes wear. The design should incorporate considerations for surface finish requirements and lubrication provisions to optimize the shaft’s performance.
7. Environmental Considerations:
The design should take into account the specific environmental conditions in which the spline shaft will operate. Factors such as temperature, humidity, exposure to chemicals, or abrasive particles can affect the shaft’s performance and longevity. Suitable material selection, surface treatments, and sealing mechanisms can be incorporated into the design to withstand the environmental challenges.
8. Manufacturing Feasibility:
The design of the spline shaft should also consider manufacturing feasibility and cost-effectiveness. Complex designs may be challenging to produce or require specialized manufacturing processes, resulting in increased production costs. Balancing design complexity with manufacturability is crucial to ensure a practical and efficient manufacturing process.
By considering these design factors, engineers can optimize the performance of spline shafts, resulting in enhanced torque transmission, improved load distribution, misalignment compensation, torsional stiffness, fatigue resistance, surface finish, and environmental compatibility. A well-designed spline shaft contributes to the overall efficiency, reliability, and longevity of the mechanical system in which it is used.
معمولاً در ساخت شفتهای اسپلین از چه موادی استفاده میشود؟
Various materials are commonly used in the construction of spline shafts, depending on the specific application requirements. Here’s a list of commonly used materials:
۱. فولاد:
فولاد یکی از پرکاربردترین مواد برای شفتهای اسپلین است. گریدهای مختلف فولاد، مانند فولاد کربنی، فولاد آلیاژی یا فولاد ضد زنگ، میتوانند بر اساس عواملی مانند استحکام، سختی و مقاومت در برابر خوردگی مورد استفاده قرار گیرند. فولاد خواص مکانیکی عالی، از جمله استحکام بالا، دوام و مقاومت در برابر سایش را ارائه میدهد و آن را برای طیف وسیعی از کاربردها مناسب میسازد.
۲. فولاد آلیاژی:
فولاد آلیاژی نوعی فولاد است که حاوی عناصر آلیاژی اضافی مانند کروم، مولیبدن یا نیکل است. این عناصر آلیاژی خواص مکانیکی فولاد را افزایش میدهند و استحکام، چقرمگی و مقاومت در برابر سایش را بهبود میبخشند. شفتهای فولادی آلیاژی معمولاً در کاربردهایی استفاده میشوند که به ظرفیت گشتاور بالا، دوام و مقاومت در برابر خستگی نیاز دارند.
۳. فولاد ضد زنگ:
فولاد ضد زنگ به دلیل خواص مقاومت در برابر خوردگی شناخته شده است و آن را برای کاربردهایی که شفت اسپلین در معرض رطوبت یا محیطهای خورنده قرار دارد، مناسب میسازد. شفتهای اسپلین از جنس فولاد ضد زنگ معمولاً در صنایعی مانند فرآوری مواد غذایی، فرآوری مواد شیمیایی، دریایی و تجهیزات پزشکی استفاده میشوند.
۴. آلومینیوم:
آلومینیوم یک ماده سبک با نسبت استحکام به وزن خوب است. این ماده اغلب در کاربردهایی که کاهش وزن در اولویت است، مانند صنایع خودرو و هوافضا، استفاده میشود. شفتهای شیاردار آلومینیومی میتوانند مزایایی مانند کاهش جرم چرخشی و بهبود راندمان سوخت را ارائه دهند.
۵. تیتانیوم:
تیتانیوم مادهای قوی و سبک با مقاومت عالی در برابر خوردگی است. این ماده معمولاً در کاربردهای با کارایی بالا که در آنها کاهش وزن، استحکام و مقاومت در برابر خوردگی از عوامل حیاتی هستند، استفاده میشود. شفتهای اسپلاین تیتانیومی در هوافضا، ورزشهای موتوری و تجهیزات صنعتی پیشرفته کاربرد دارند.
۶. برنج:
برنج آلیاژی از مس و روی است که قابلیت ماشینکاری خوب و مقاومت در برابر خوردگی را ارائه میدهد. این آلیاژ اغلب در کاربردهایی که نیاز به رسانایی الکتریکی یا خاصیت غیر مغناطیسی دارند، استفاده میشود. شفتهای برنجی شیاردار را میتوان در صنایعی مانند الکترونیک، مخابرات و ابزار دقیق یافت.
۷. پلاستیکها و مواد کامپوزیتی:
در کاربردهای خاصی که کاهش وزن، مقاومت در برابر خوردگی یا کاهش صدا مهم است، میتوان از پلاستیک یا مواد کامپوزیتی برای شفتهای اسپلین استفاده کرد. موادی مانند نایلون، استال یا کامپوزیتهای تقویتشده با الیاف میتوانند مزایای خاصی از نظر وزن، اصطکاک کم و مقاومت در برابر مواد شیمیایی ارائه دهند.
It’s important to note that material selection for spline shafts depends on factors such as load requirements, environmental conditions, operating temperatures, and cost considerations. Engineers and designers evaluate these factors to determine the most suitable material for a given application.
What are the key components and design features of a spline shaft?
A spline shaft consists of several key components and incorporates specific design features to ensure its functionality and performance. Here’s a detailed explanation:
1. Shaft Body:
The main component of a spline shaft is the shaft body, which provides the structural integrity and serves as the base for the spline features. The shaft body is typically cylindrical in shape and made from materials such as steel, stainless steel, or other alloyed metals. The material selection depends on factors like the application requirements, torque loads, and environmental conditions.
2. Splines:
The splines are the key design feature of a spline shaft. They are ridges or teeth that are machined onto the surface of the shaft. The splines create the interlocking mechanism with mating components, allowing for torque transmission and relative movement. The number, size, and shape of the splines can vary depending on the application requirements and design specifications.
3. Spline Profile:
The spline profile refers to the specific shape or geometry of the splines. Common types of spline profiles include involute, straight-sided, and serrated. The spline profile is chosen based on factors such as the torque transmission requirements, load distribution, and the desired engagement characteristics with mating components. The spline profile ensures optimal contact and torque transfer between the spline shaft and the mating component.
4. Spline Fit:
The spline fit refers to the dimensional relationship between the spline shaft and the mating component. It determines the clearance or interference between the splines, ensuring proper engagement and transmission of torque. The spline fit can be categorized into different classes, such as clearance fit, transition fit, or interference fit, based on the desired level of clearance or interference.
5. Surface Finish:
The surface finish of the spline shaft is crucial for its performance. The splines and the shaft body should have a smooth and consistent surface finish to minimize friction, wear, and the risk of stress concentrations. The surface finish can be achieved through machining, grinding, or other surface treatment methods to meet the required specifications.
6. Lubrication:
To ensure smooth operation and reduce wear, lubrication is often employed for spline shafts. Lubricants with appropriate viscosity and lubricating properties are applied to the spline interface to minimize friction, dissipate heat, and prevent premature wear or damage to the splines and mating components. Lubrication also helps in maintaining the functionality and prolonging the service life of the spline shaft.
7. Machining Tolerances:
Precision machining is critical for spline shafts to achieve the required dimensional accuracy and ensure proper engagement with mating components. Tight machining tolerances are maintained during the manufacturing process to ensure the spline profile, dimensions, and surface finish meet the specified design requirements. This ensures the interchangeability and compatibility of spline shafts in various applications.
In summary, the key components and design features of a spline shaft include the shaft body, splines, spline profile, spline fit, surface finish, lubrication, and machining tolerances. These elements work together to enable torque transmission, relative movement, and load distribution while ensuring the functionality, durability, and performance of the spline shaft.
editor by CX 2024-03-19