产品描述
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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.
常问问题：
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 |
| 示例： | US$ 4.56/kg 1 kg(Min.Order) | Order Sample |
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| 定制化： | 可用的 | 定制请求 |
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| 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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花键轴的设计如何影响其性能？
The design of a spline shaft plays a crucial role in determining its performance characteristics. Here’s a detailed explanation:
1. 扭矩传递：
花键轴的设计直接影响其有效传递扭矩的能力。花键轮廓、花键数量和啮合长度等因素都会影响轴的扭矩承载能力。精心设计的花键轮廓和优化的尺寸可确保最大的接触面积和载荷分布，从而提高扭矩传递效率。
2. 负荷分配：
设计合理的花键轴能将施加的载荷均匀分布在啮合面上，从而最大限度地减少应力集中，防止局部磨损或失效。设计时应考虑花键轮廓几何形状、齿形和表面光洁度等因素，以实现最佳载荷分布并提升轴的整体性能。
3. 错位补偿：
花键轴能够适应配合部件之间一定程度的不对中。花键轮廓的设计可以包含允许角度或平行不对中的结构，从而确保即使在不对中的情况下也能有效传递动力。合理的设计有助于保持平稳运行，并防止过大的应力或过早失效。
4.扭转刚度：
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. 抗疲劳性：
花键轴的设计应考虑抗疲劳性能，以确保其长期耐用性。疲劳失效可能由重复或循环载荷引起。合理的设计措施，例如优化花键轮廓、选择合适的材料以及采用适当的表面处理，可以提高轴的抗疲劳性能并延长其使用寿命。
6. 表面光洁度和润滑：
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. 环境因素：
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. 制造可行性：
花键轴的设计还应考虑制造可行性和成本效益。复杂的设计可能难以生产或需要特殊的制造工艺，从而导致生产成本增加。平衡设计的复杂性和可制造性对于确保实用高效的制造工艺至关重要。
通过考虑这些设计因素，工程师可以优化花键轴的性能，从而提高扭矩传递效率、改善载荷分布、补偿不对中、提升扭转刚度、增强抗疲劳性能、改善表面光洁度并提高环境兼容性。设计精良的花键轴有助于提高其所在机械系统的整体效率、可靠性和使用寿命。
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.
花键轴的关键组成部分和设计特点是什么？
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. 轴体：
花键轴的主要部件是轴体，它提供结构完整性并作为花键结构的基础。轴体通常呈圆柱形，由钢、不锈钢或其他合金金属等材料制成。材料的选择取决于应用要求、扭矩载荷和环境条件等因素。
2. 花键：
花键是花键轴的关键设计特征。它们是加工在轴表面的凸脊或齿状结构。花键与配合部件形成互锁机构，从而实现扭矩传递和相对运动。花键的数量、尺寸和形状可根据应用需求和设计规范而有所不同。
3.样条曲线轮廓：
花键轮廓是指花键的具体形状或几何结构。常见的花键轮廓类型包括渐开线型、直边型和锯齿型。花键轮廓的选择取决于扭矩传递要求、载荷分布以及与配合部件所需的啮合特性等因素。花键轮廓确保花键轴与配合部件之间实现最佳接触和扭矩传递。
4. 花键配合：
花键配合是指花键轴与配合部件之间的尺寸关系。它决定了花键之间的间隙或过盈量，从而确保正确的啮合和扭矩传递。根据所需的间隙或过盈量，花键配合可分为不同的类型，例如间隙配合、过渡配合或过盈配合。
5. 表面处理：
花键轴的表面光洁度对其性能至关重要。花键和轴体应具有光滑且一致的表面光洁度，以最大限度地减少摩擦、磨损和应力集中风险。可通过机械加工、磨削或其他表面处理方法来实现所需的表面光洁度，以满足规格要求。
6. 润滑：
为确保运转顺畅并减少磨损，花键轴通常采用润滑。将具有合适粘度和润滑性能的润滑剂涂抹于花键界面，以最大限度地减少摩擦、散热，并防止花键及其配合部件过早磨损或损坏。润滑还有助于保持花键轴的功能并延长其使用寿命。
7. 加工公差：
精密加工对于花键轴至关重要，它能确保花键轴达到所需的尺寸精度，并与配合部件正确啮合。在制造过程中，必须严格控制加工公差，以确保花键的轮廓、尺寸和表面光洁度均符合规定的设计要求。这保证了花键轴在各种应用中的互换性和兼容性。
总而言之，花键轴的关键组成部分和设计特点包括轴体、花键、花键轮廓、花键配合、表面光洁度、润滑以及加工公差。这些要素协同工作，实现扭矩传递、相对运动和载荷分布，同时确保花键轴的功能性、耐久性和性能。
editor by CX 2024-03-19