उत्पाद वर्णन
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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
| आवेदन | |||||
| • 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.
अक्सर पूछे जाने वाले प्रश्न:
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 |
| उदाहरण: | US$ 4.56/kg 1 kg(Min.Order) | पुराना नमूना |
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| अनुकूलन: | उपलब्ध | अनुकूलित अनुरोध |
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| शिपिंग लागत: प्रति यूनिट अनुमानित माल ढुलाई शुल्क। | शिपिंग लागत और अनुमानित डिलीवरी समय के बारे में जानकारी। |
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| भुगतान विधि: |
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| प्रारंभिक भुगतान पूर्ण भुगतान |
| मुद्रा: | यूएस1टीपी4टी |
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| वापसी एवं धनवापसी: | आप उत्पाद प्राप्त होने के 30 दिनों तक रिफंड के लिए आवेदन कर सकते हैं। |
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स्प्लाइन शाफ्ट का डिज़ाइन उसके प्रदर्शन को कैसे प्रभावित करता है?
The design of a spline shaft plays a crucial role in determining its performance characteristics. Here’s a detailed explanation:
1. टॉर्क ट्रांसमिशन:
स्प्लाइन शाफ्ट का डिज़ाइन सीधे तौर पर टॉर्क संचारित करने की उसकी क्षमता को प्रभावित करता है। स्प्लाइन प्रोफ़ाइल, स्प्लाइनों की संख्या और जुड़ाव की लंबाई जैसे कारक शाफ्ट की टॉर्क वहन क्षमता को प्रभावित करते हैं। अनुकूलित आयामों के साथ एक अच्छी तरह से डिज़ाइन की गई स्प्लाइन प्रोफ़ाइल अधिकतम संपर्क क्षेत्र और भार वितरण सुनिश्चित करती है, जिसके परिणामस्वरूप बेहतर टॉर्क संचरण होता है।
2. भार वितरण:
सही ढंग से डिज़ाइन किया गया स्प्लाइन शाफ्ट, लगने वाले भार को सभी सतहों पर समान रूप से वितरित करता है। इससे तनाव का जमाव कम होता है और किसी विशेष स्थान पर घिसाव या खराबी नहीं आती। डिज़ाइन करते समय स्प्लाइन प्रोफ़ाइल की ज्यामिति, दांतों का आकार और सतह की फिनिश जैसे कारकों पर विचार करना चाहिए ताकि भार का इष्टतम वितरण हो सके और शाफ्ट का समग्र प्रदर्शन बेहतर हो सके।
3. संरेखण में गड़बड़ी के लिए क्षतिपूर्ति:
स्प्लाइन शाफ्ट आपस में जुड़ने वाले घटकों के बीच एक निश्चित मात्रा में मिसअलाइनमेंट को समायोजित कर सकते हैं। स्प्लाइन प्रोफाइल के डिज़ाइन में ऐसी विशेषताएं शामिल की जा सकती हैं जो कोणीय या समानांतर मिसअलाइनमेंट की अनुमति देती हैं, जिससे मिसअलाइनमेंट की स्थिति में भी प्रभावी पावर ट्रांसमिशन सुनिश्चित होता है। उचित डिज़ाइन संबंधी बातों का ध्यान रखने से सुचारू संचालन बनाए रखने और अत्यधिक तनाव या समय से पहले विफलता को रोकने में मदद मिलती है।
4. मरोड़ कठोरता:
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. थकान प्रतिरोध:
स्प्लाइन शाफ्ट के डिज़ाइन में थकान प्रतिरोध का ध्यान रखा जाना चाहिए ताकि दीर्घकालिक स्थायित्व सुनिश्चित हो सके। बार-बार या चक्रीय भार पड़ने से थकान के कारण विफलता हो सकती है। उचित डिज़ाइन पद्धतियाँ, जैसे कि स्प्लाइन प्रोफ़ाइल को अनुकूलित करना, उपयुक्त सामग्री का चयन करना और उपयुक्त सतह उपचारों को शामिल करना, शाफ्ट के थकान प्रतिरोध को बढ़ा सकती हैं और इसके सेवा जीवन को विस्तारित कर सकती हैं।
6. सतह की परिष्करण और स्नेहन:
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. पर्यावरणीय विचार:
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. विनिर्माण व्यवहार्यता:
स्प्लाइन शाफ्ट के डिजाइन में निर्माण की व्यवहार्यता और लागत-प्रभावशीलता का भी ध्यान रखा जाना चाहिए। जटिल डिजाइनों का उत्पादन चुनौतीपूर्ण हो सकता है या इसके लिए विशेष निर्माण प्रक्रियाओं की आवश्यकता हो सकती है, जिसके परिणामस्वरूप उत्पादन लागत बढ़ जाती है। व्यावहारिक और कुशल निर्माण प्रक्रिया सुनिश्चित करने के लिए डिजाइन की जटिलता और निर्माण क्षमता के बीच संतुलन बनाए रखना अत्यंत महत्वपूर्ण है।
इन डिज़ाइन कारकों पर विचार करके, इंजीनियर स्प्लाइन शाफ्ट के प्रदर्शन को अनुकूलित कर सकते हैं, जिसके परिणामस्वरूप टॉर्क संचरण में वृद्धि, भार वितरण में सुधार, मिसअलाइनमेंट क्षतिपूर्ति, मरोड़ कठोरता, थकान प्रतिरोध, सतह की गुणवत्ता और पर्यावरणीय अनुकूलता में वृद्धि होती है। एक अच्छी तरह से डिज़ाइन किया गया स्प्लाइन शाफ्ट उस यांत्रिक प्रणाली की समग्र दक्षता, विश्वसनीयता और दीर्घायु में योगदान देता है जिसमें इसका उपयोग किया जाता है।
What materials are commonly used in the construction of spline shafts?
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:
1. Steel:
Steel is one of the most widely used materials for spline shafts. Different grades of steel, such as carbon steel, alloy steel, or stainless steel, can be employed based on factors like strength, hardness, and corrosion resistance. Steel offers excellent mechanical properties, including high strength, durability, and wear resistance, making it suitable for a broad range of applications.
2. Alloy Steel:
Alloy steel is a type of steel that contains additional alloying elements, such as chromium, molybdenum, or nickel. These alloying elements enhance the mechanical properties of the steel, providing improved strength, toughness, and wear resistance. Alloy steel spline shafts are commonly used in applications that require high torque capacity, durability, and resistance to fatigue.
3. Stainless Steel:
Stainless steel is known for its corrosion resistance properties, making it suitable for applications where the spline shaft is exposed to moisture or corrosive environments. Stainless steel spline shafts are commonly used in industries such as food processing, chemical processing, marine, and medical equipment.
4. Aluminum:
Aluminum is a lightweight material with good strength-to-weight ratio. It is often used in applications where weight reduction is a priority, such as automotive and aerospace industries. Aluminum spline shafts can provide advantages such as decreased rotating mass and improved fuel efficiency.
5. Titanium:
Titanium is a strong and lightweight material with excellent corrosion resistance. It is commonly used in high-performance applications where weight reduction, strength, and corrosion resistance are critical factors. Titanium spline shafts find applications in aerospace, motorsports, and high-end industrial equipment.
6. Brass:
Brass is an alloy of copper and zinc, offering good machinability and corrosion resistance. It is often used in applications that require electrical conductivity or a non-magnetic property. Brass spline shafts can be found in industries such as electronics, telecommunications, and instrumentation.
7. Plastics and Composite Materials:
In certain applications where weight reduction, corrosion resistance, or noise reduction is important, plastics or composite materials can be used for spline shafts. Materials such as nylon, acetal, or fiber-reinforced composites can provide specific advantages in terms of weight, low friction, and resistance to chemicals.
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