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Help CenterCNC Gear Hobbing Service for Custom Gears, up to 1000mm Face Width, 20MnCr5 Case Hardened
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Welcome to Henan San Kuang Machinery Technology Co., Ltd. — your trusted partner for precision CNC gear hobbing services. With over a decade of experience since 2014, we specialize in manufacturing custom gears with face widths up to 1000mm using high-grade 20MnCr5 case-hardened steel. Our state-of-the-art CNC hobbing machines ensure exceptional accuracy and durability, making us a preferred supplier for industries ranging from heavy machinery to automotive transmission systems.
Our gear hobbing service delivers tailored solutions for your unique requirements. Whether you need spur gears, helical gears, or splines, we combine advanced technology with rigorous quality control to produce components that meet your exact specifications. The 20MnCr5 material, after case hardening, provides a wear-resistant surface with a tough core, ideal for high-stress applications.
Key Features & Technical Specifications
- Large Capacity: Capable of hobbing gears with face width up to 1000mm and diameter up to 2000mm (customizable).
- Superior Material: 20MnCr5 alloy steel offers excellent case hardenability, achieving surface hardness of HRC 58-62 after heat treatment.
- High Precision: Achieve gear quality grades ISO 6-8, with tooth profile error within 0.02mm.
- Versatile Module Range: Support modules from 1 to 20, with flexibility for non-standard pitches.
- Surface Treatment: Case hardening (carburizing) followed by quenching and tempering, providing enhanced wear resistance and fatigue life.
- Customization Options: Tooth profile, helix angle, bore size, and keyway can be tailored to your drawings.
- Application-Ready: Suitable for heavy-duty gearboxes, wind turbines, mining equipment, and more.
| Parameter | Specification |
| Max Face Width | 1000 mm |
| Max Outer Diameter | 2000 mm (customizable) |
| Module Range | 1 – 20 |
| Material | 20MnCr5 (or equivalent) |
| Hardness (After Case Hardening) | HRC 58 – 62 |
| Precision Grade | ISO 6 – 8 |
| Surface Treatment | Case Hardening (Carburizing + Quench + Temper) |
| Lead Time | 15 – 30 working days (depending on complexity) |
Advantages for Your Business
- Cost-Effective: By outsourcing to our specialized facility, you avoid heavy investment in CNC hobbing machines and heat treatment equipment.
- Consistent Quality: We implement strict process control (ISO 9001 certified) and conduct 100% inspection on critical dimensions.
- Flexible Quantities: From prototype to mass production, we accommodate small and large batches with equal efficiency.
- Reliable Delivery: Our experienced team of 51-100 employees ensures on-time shipment via major ports: Shanghai, Lianyungang, Qingdao, Tianjin.
- Technical Support: Our engineers provide free design-for-manufacturing advice to optimize your gear performance.
Why Choose Henan San Kuang Machinery Technology Co., Ltd.?
Established in 2014, we operate a modern factory spanning 10,000–30,000 square meters in Luoyang, Henan, China. Our annual export value exceeds US$2.5 million, serving markets across North America, South America, Europe, Southeast Asia, Africa, and Oceania. We are proud to hold multiple certifications including ISO9001, ISO14001, OHSAS18001, and TS16949, reflecting our commitment to quality, environment, and safety.
Our gear hobbing service combines precision engineering with robust heat treatment, giving you gears that perform reliably under extreme conditions. The 20MnCr5 case-hardened gears offer excellent fatigue resistance and long service life, reducing your maintenance costs.
Ready to discuss your next project? Contact us today for a quote and technical consultation. We look forward to being your long-term partner in gear manufacturing.
Frequently Asked Questions (FAQ)
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Q: What is the minimum order quantity for custom gear hobbing?
A: We accept small orders starting from 1 piece for prototypes. For mass production, MOQ is typically 100 pieces, but we are flexible based on your needs. -
Q: Can you supply gears with materials other than 20MnCr5?
A: Yes, we also work with 40Cr, 42CrMo, 20CrMnTi, and other alloy steels. 20MnCr5 is recommended for case hardening, but we can adapt to your material specification. -
Q: What is the typical lead time for a custom gear order?
A: Lead time depends on complexity and quantity. Usually 15–30 working days after drawing approval. For urgent orders, expedited options are available upon request. -
Q: How do you ensure the precision of gears?
A: We use advanced CNC hobbing machines with in-process measuring. After hobbing, each gear undergoes dimensional inspection using gear testers and CMM. Our quality system is ISO 9001 certified. -
Q: Do you provide heat treatment services?
A: Yes, we offer in-house case hardening, carburizing, nitriding, and induction hardening. The 20MnCr5 gears are case hardened to achieve HRC 58-62 surface hardness. -
Q: What is the maximum face width you can hob?
A: Our standard capacity is up to 1000mm face width. For larger widths, please contact us to discuss custom solutions. -
Q: Can you produce gears with non-standard tooth profiles or helix angles?
A: Absolutely. Our CNC hobbing machines are programmable, allowing us to cut any tooth profile, including helical, double helical, and special modified profiles based on your design. -
Q: How do you pack gears for export?
A: We use wooden crates or steel pallets with rust-proof oil and plastic wrapping. Each gear is individually protected to prevent damage during shipping.
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