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Gearbox Gear Shaft With Mill Test Report and Warranty
Product Spotlights
Each gearbox gear shaft is supplied with a Mill Test Report for full material traceability and a 12-month warranty. Manufactured from premium alloy steel, precision CNC machined, and case-hardened to HRC 58-62 for extended service life. Customizable spline, keyway, and dimensions to fit various gearbox brands. Trusted by global clients with ISO9001 certified factory.
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Hardness:
Other, HRC 58-62 (Case Hardened)
Application:
Other, Gearbox
Material:
Alloy Steel (e.g., 20CrMnTi, 40Cr)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Hardness
Other, HRC 58-62 (Case Hardened)
Application
Other, Gearbox
Material
Alloy Steel (e.g., 20CrMnTi, 40Cr)
Processing Method
Forging + Machining
Surface Treatment
Black Oxide / Phosphating / Customizable
Diameter Range
20 mm – 200 mm (customizable)
Length Range
100 mm – 1500 mm (customizable)
Warranty
12 Months (standard)
Mill Test Report
Included (chemical composition & mechanical properties)
Customization
Available (spline, keyway, bore, thread)
Henan San Kuang Machinery Technology Co., Ltd., established in 2014 and located in Luoyang, Henan, China, specializes in manufacturing high-precision gearbox gear shafts. With a factory spanning 10,000-30,000 square meters and a dedicated team of 51-100 employees, we deliver reliable transmission components that meet rigorous industrial standards. Every Gearbox Gear Shaft is supplied with a Mill Test Report and a comprehensive Warranty, ensuring you receive traceable quality and long-term performance. Our shafts are designed for seamless integration into various gearboxes, reducers, and power transmission systems, offering enhanced durability and reduced downtime.
Key Features & Technical Specifications
- Premium Material Selection: Manufactured from high-grade alloy steels such as 20CrMnTi, 40Cr, or 42CrMo, ensuring excellent strength and wear resistance.
- Precision Machining: CNC turning, grinding, and hobbing processes guarantee tight tolerances (up to IT6-IT7) and optimal tooth profile accuracy.
- Heat Treatment: Carburizing, quenching, and tempering achieve uniform case hardness (HRC 58-62) while maintaining a tough core for shock load absorption.
- Comprehensive Testing: Each shaft undergoes ultrasonic inspection, magnetic particle testing, and dimensional checks. The Mill Test Report documents chemical composition and mechanical properties for full traceability.
- Surface Finishing: Options include black oxide, phosphating, nickel plating, or custom coatings to resist corrosion and improve fatigue life.
- Warranty Protection: Standard 12-month warranty against manufacturing defects; extended warranty available upon request.
| Parameter | Value |
|---|---|
| Material Grade | 20CrMnTi, 40Cr, 42CrMo, 4140, etc. |
| Hardness (Case) | HRC 58-62 |
| Core Hardness | HRC 30-42 |
| Effective Case Depth | 0.8 – 1.5 mm (adjustable) |
| Surface Roughness | Ra ≤ 0.8 μm |
| Tolerance Grade | IT6-IT7 |
| Spline/Keyway Standards | DIN, ANSI, ISO, JIS (customizable) |
| Inspection Reports | Mill Test Report (MTR) included; NDT reports optional |
Advantages for Your Business
- Enhanced Reliability: The Mill Test Report provides full material traceability, helping you comply with quality assurance requirements in industries like mining, construction, and power generation.
- Reduced Maintenance: Superior heat treatment and precise machining extend service life, minimizing unscheduled downtime and replacement costs.
- Global Compatibility: Available with spline, keyway, bore, and thread configurations matching common international standards (DIN, ANSI, ISO).
- Customization Flexibility: We can tailor dimensions, material grades, and surface treatments to your specific gearbox design – just share your drawings or samples.
Our shafts are widely used in gearboxes for conveyors, crushers, mixers, pumps, and industrial reducers. Whether you need a standard replacement or a custom-engineered component, our team ensures prompt delivery and consistent quality.
Why Choose Henan San Kuang Machinery?
With an annual export value between US$2.5 Million and US$5 Million, we serve customers across North America, South America, Europe, Southeast Asia, Africa, and the Middle East. Our factory holds multiple certifications including ISO9001, ISO14000, OHSAS18001, TL900, QS9000, SA8000, and others, reflecting our commitment to quality management, environmental responsibility, and social accountability. We ship from major ports: Shanghai, Lianyungang, Qingdao, and Tianjin, ensuring efficient logistics worldwide. Backed by our 12-month warranty and responsive after-sales support, you can confidently integrate our gearbox gear shafts into your critical applications. Contact us today for a quote or technical consultation – we are ready to support your next project.
Frequently Asked Questions
-
Q: What is included in the Mill Test Report?
A: The MTR details the chemical composition (e.g., C, Mn, Cr, Ni) and mechanical properties (yield strength, tensile strength, elongation, hardness) of the raw material, ensuring compliance with your specifications. -
Q: Can you provide shafts with specific spline profiles?
A: Yes, we can produce involute, square, or straight splines according to DIN 5480, ANSI B92.1, ISO 4156, or your custom drawing. -
Q: What is the standard lead time?
A: For standard sizes, lead time is typically 15-25 working days; for custom orders, it depends on complexity and quantity (usually 25-40 days). -
Q: Do you offer surface treatments for corrosion resistance?
A: Yes, we offer black oxide, phosphating, hard chrome plating, nickel plating, and DLC coating. Please specify your operating environment. -
Q: How do you ensure the shaft meets dimensional accuracy?
A: We use CNC machining centers, coordinate measuring machines (CMM), and optical comparators to inspect critical dimensions. All shafts are 100% inspected before shipment. -
Q: Is a trial order or sample available?
A: Yes, we accept sample orders. The sample cost is negotiable, and we can produce it based on your drawing or existing part. -
Q: What warranty do you provide?
A: We offer a standard 12-month warranty from the date of shipment against manufacturing defects. Extended warranty (up to 24 months) is available for bulk orders. -
Q: Can you supply shafts for heavy-duty gearboxes used in mining?
A: Absolutely. Our shafts are designed for high-torque applications, with case-hardened teeth and core toughness to withstand shock loads in mining, cement, and aggregate industries.
Send Inquiry to This Supplier
1Yr
Year Established
2014
Factory Size
10,000-30,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million
Total Employees
51 - 100 People
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