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Help CenterCNC Machined Transmission Gear Shaft With Hardened 4140 Steel Construction
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As a leading manufacturer specializing in precision components since 2014, Henan San Kuang Machinery Technology Co., Ltd. proudly presents our CNC Machined Transmission Gear Shaft. Engineered from hardened 4140 steel, this component is the backbone of reliable power transmission, designed to meet the rigorous demands of modern automotive and industrial applications. Our commitment to excellence, backed by a 10,000-30,000 sqm facility and a team of 51-100 skilled professionals, ensures every shaft delivers superior strength, precise tolerances, and extended service life, directly contributing to the efficiency and durability of your machinery.
This transmission gear shaft is not just a part; it is a critical investment in your system's performance. We understand that downtime is costly, which is why our production integrates advanced CNC machining with stringent quality control processes, including adherence to ISO 9001 and IATF 16949 standards. With an annual export value of US$2.5-5 Million, we have established trust across global markets from North America to Southeast Asia, proving our capability to deliver consistent, high-quality components on time.
Core Product Features & Technical Advantages:
- Premium Material Construction: Fabricated from AISI 4140 alloy steel, known for its excellent toughness and wear resistance. The hardening process significantly enhances its core strength and surface hardness, making it ideal for withstanding high torsional and bending stresses.
- Precision CNC Machining: Each shaft is manufactured using state-of-the-art CNC equipment, ensuring exceptional dimensional accuracy, concentricity, and repeatability for complex geometries like splines, keyways, and gear teeth.
- Enhanced Durability: The combination of material and heat treatment results in a component that resists fatigue, shock loads, and surface wear, leading to a longer operational lifespan and reduced maintenance frequency.
- Wide Compatibility: Designed to integrate seamlessly into various transmission assemblies, supporting smooth power transfer in gearboxes, differentials, and drivetrains.
- Full Customization Support: We offer extensive customization options. From specific lengths and diameters to unique tooth profiles and surface finishes, our engineering team can adapt the shaft to your exact blueprint requirements.
Detailed Technical Specifications:
| Parameter | Specification / Description |
|---|---|
| Primary Material | AISI 4140 Chromoly Steel |
| Standard Hardness Range | HRC 28 - 55 (Customizable per drawing) |
| Key Manufacturing Process | Precision CNC Turning, Milling, Grinding |
| Critical Tolerances | Diameter: ±0.01mm, Length: ±0.05mm (Standard, tighter available) |
| Surface Roughness | Ra 0.8μm to Ra 3.2μm (or as specified) |
| Common Features | Splines, Keyways, Gear Teeth, Threads, Flanges |
| Optional Treatments | Black Oxide, Zinc Plating, Phosphating, Nitriding |
Benefits for Your Business:
- Improved Machine Reliability: Reduces the risk of unexpected shaft failure, minimizing production downtime.
- Optimized Performance: Precise machining ensures smooth engagement and efficient power transmission, enhancing overall system efficiency.
- Cost-Effective Solution: The extended service life and durability translate to lower total cost of ownership through reduced part replacement and maintenance costs.
- Supply Chain Confidence: Partner with a manufacturer that has a proven export track record and robust logistics via major ports like Shanghai and Qingdao.
Choosing Henan San Kuang means partnering with a certified and experienced supplier. Our operations are guided by a comprehensive quality management system, and our products reach diverse markets worldwide, including North America, Europe, and Asia. This global acceptance is a testament to the reliability and performance of our CNC machined gear shafts. We invite you to leverage our manufacturing expertise to secure a critical component that meets the highest standards of precision and durability. Contact us today to discuss your specifications, request a sample, or receive a competitive quotation tailored to your volume needs.
Frequently Asked Questions (FAQ)
-
What are the main advantages of using 4140 steel for a transmission shaft?
4140 steel offers an excellent balance of high strength, good toughness, and favorable wear resistance. When hardened, it provides a durable core and a hard surface, making it ideal for applications involving high stress and cyclic loading, such as in transmissions. -
Can you produce shafts according to our provided drawings and specifications?
Absolutely. We specialize in custom manufacturing. Please share your detailed drawings (including tolerances, hardness requirements, and material specs) for a precise quote and production. -
What is your standard lead time for prototype samples and bulk production?
Sample lead time is typically 7-15 days after drawing confirmation. For bulk orders, production usually takes 25-35 days, depending on order quantity and complexity. -
Do you offer different surface finish or coating options for corrosion protection?
Yes. While the base product is machined steel, we can apply various surface treatments like black oxide, zinc plating, or phosphating upon request to enhance corrosion resistance and appearance. -
How do you ensure the quality and consistency of your CNC machined shafts?
Our quality assurance process includes in-process inspections, final dimensional checks with precision instruments, and material certification. Our commitment to standardized processes helps ensure batch-to-batch consistency. -
What are your main export regions, and what shipping terms do you offer?
We export globally, with strong presence in North America, Europe, Southeast Asia, and other regions. We ship from major Chinese ports (Shanghai, Qingdao, Tianjin) and offer standard Incoterms like FOB, CIF, or EXW. -
Is material certification available for the 4140 steel used?
Material test certificates can be provided upon request to verify the chemical composition and mechanical properties of the steel used in your order. -
What is the minimum order quantity (MOQ) for custom gear shafts?
Our MOQ is flexible. We can accommodate small batch orders for prototyping and large-volume production runs. Please contact us with your quantity requirements for specific terms.
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