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Help CenterReliable Large Gear Hobbing Machining Service, Strict QC Documentation, Standard Compliant
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Henan San Kuang Machinery Technology Co., Ltd. has been a trusted partner in large gear hobbing since 2014, delivering precision-machined components backed by strict QC documentation and full compliance with international standards. Our factory spans 10,000–30,000 square meters, equipped with advanced hobbing machines capable of handling gears up to 3,000 mm in diameter. We understand that every gear must meet exacting tolerances for reliable performance in demanding applications, which is why we integrate rigorous quality control at every stage – from raw material inspection to final dimensional verification.
With an annual export value of US$2.5–5 million and a team of 51–100 experienced professionals, we serve diverse markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our gear hobbing service is designed for clients who require large, heavy-duty gears with consistent quality, traceable documentation, and adherence to standards such as ISO9001, ISO14000, OHSAS18001, and many others. Whether you need spur, helical, spline, or worm gears, we provide a complete solution – from engineering support to post-machining inspection.
Core Features & Benefits
- Large Capacity: Hobbing machines accommodate gears up to 3,000 mm diameter and module 30, enabling production of large gears for mining, cement, and wind power industries.
- Strict QC Documentation: Every batch comes with detailed inspection reports, material certificates, and dimensional records – fully traceable and available upon request.
- Standard Compliance: Our processes meet ISO, DIN, AGMA, and GB standards. We also hold multiple certifications including HACCP, QS9000, and SA8000, demonstrating commitment to quality and social responsibility.
- Customizable Solutions: Material selection (alloy steel, stainless steel, cast iron), heat treatment, and surface finishing are tailored to your application.
- Fast & Reliable Delivery: With optimized production planning, we achieve lead times of 15–45 days, depending on complexity and quantity.
- Expert Engineering Support: Our team provides design for manufacturability (DFM) feedback to optimize gear performance and reduce costs.
Technical Specifications (Typical Parameters)
| Parameter | Range |
|---|---|
| Max Outer Diameter | 3,000 mm |
| Max Module | 30 |
| Tooth Profile | Spur, Helical, Spline, Worm |
| Precision Grade | DIN 6–9 (AGMA Q8–Q12) |
| Material Options | 42CrMo, 40Cr, 20CrMnTi, Cast Iron, etc. |
| Heat Treatment | Carburizing, Quenching, Tempering, Induction Hardening |
| Surface Finish | Ra 0.8–3.2 μm (customizable) |
| Inspection Equipment | CMM, Gear Measuring Center, Hardness Tester |
Quality Assurance & Documentation
We believe that transparency builds trust. Every gear order is accompanied by a comprehensive QC documentation package that includes:
- Material mill test certificates (MTC)
- Dimensional inspection reports with CMM data
- Hardness test results (core and surface)
- Magnetic particle or ultrasonic testing (if required)
- Surface roughness measurement records
- Certification of compliance to applicable standards
Our quality management system is certified to ISO9001, ISO14000, and OHSAS18001, and we also hold additional certifications such as ISO16949, TL900, and SA8000, which reflect our commitment to continuous improvement and social accountability. This rigorous approach ensures that every gear leaving our factory is reliable and fit for its intended use.
Applications & Industries Served
Our large gear hobbing service is widely used in:
- Mining & Cement: Gears for crushers, mills, kilns, and conveyors
- Power Generation: Wind turbine gearboxes, hydroelectric turbines
- Heavy Machinery: Excavators, bulldozers, cranes, and winches
- Industrial Drives: Speed reducers, gearboxes for manufacturing lines
- Marine & Offshore: Propulsion gears, deck machinery
Why Choose Henan San Kuang?
- Experienced Team: 51–100 skilled employees, many with over 10 years of gear machining expertise.
- Global Reach: Exports to 15+ markets across North America, Europe, Asia, Africa, and Oceania.
- Port Access: Convenient shipment from Shanghai, Lianyungang, Qingdao, and Tianjin ports.
- Flexible Order Quantities: From prototypes to high-volume production runs.
- Competitive Pricing: Factory-direct pricing with no middlemen.
We deeply understand that gear failure can lead to costly downtime. That’s why we invest in strict QC documentation and standard-compliant processes to give you peace of mind. Our extensive certifications (ISO9001, ISO14000, OHSAS18001, HACCP, QS9000, SA8000, and many more) demonstrate our dedication to quality, safety, and environmental responsibility. With a factory located in Luoyang, Henan, China, we are strategically positioned to serve both domestic and international clients efficiently. Contact us today to discuss your large gear hobbing requirements – we are ready to provide a reliable solution with full traceability.
Frequently Asked Questions (FAQ)
- What is the maximum gear size you can hob? – We can hob gears up to 3,000 mm in outer diameter with a maximum module of 30. Larger sizes or special profiles are possible – please inquire for custom requirements.
- Do you provide material certificates? – Yes, every order includes material mill test certificates (MTC) and full traceability documentation.
- What standards do you comply with? – Our processes comply with ISO, DIN, AGMA, and GB standards. We hold certifications such as ISO9001, ISO14000, OHSAS18001, and others.
- Can you handle heat treatment? – Yes, we offer carburizing, quenching, tempering, and induction hardening as part of our service or as an added option.
- What is the typical lead time? – Lead time ranges from 15 to 45 days depending on gear complexity, quantity, and material availability. Rush orders are possible upon request.
- Do you inspect gears after hobbing? – Absolutely. We perform 100% dimensional inspection using CMM and gear measuring centers, and we provide a detailed inspection report with each shipment.
- Can you work with my drawings? – Yes, we accept customer drawings (2D/3D) and also offer design assistance for manufacturability optimization.
- What payment terms do you accept? – We offer flexible terms such as T/T, L/C, and other options negotiable for long-term partners.
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