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Help CenterLarge Diameter Spur & Helical Gear Hobbing Processing Max 8m
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Henan San Kuang Machinery Technology Co., Ltd. has been a trusted name in precision gear manufacturing since 2014. With a factory spanning 10,000–30,000 sqm and a dedicated team of 51–100 professionals, we specialize in large-diameter spur and helical gear hobbing up to 8 meters. Our advanced equipment and strict quality control systems (including ISO9001, ISO14001, and OHSAS18001) ensure that every gear delivers exceptional performance and durability. Whether you need single gears or batch production, we provide reliable solutions for heavy industries worldwide.
Our Large Diameter Spur & Helical Gear Hobbing Processing service is designed to meet the most demanding applications. Below are the key technical specifications:
| Max Workpiece Diameter | 8000 mm (8 m) |
| Gear Type | Spur (straight tooth) & Helical (angled tooth) |
| Processing Method | Hobbing (high-efficiency roughing & finishing) |
| Available Materials | Carbon steel, alloy steel, stainless steel, ductile iron (customizable per request) |
| Precision Level | ISO 7–8 grade, can be upgraded to ISO 6 with post-processing |
| Surface Treatment | Phosphating, blackening, shot blasting, painting (optional) |
| Module Range | Up to 50 mm (depending on diameter and tooth profile) |
Key Features & Benefits:
- Ultra-Large Capacity: Handle gears up to 8 meters in diameter, ideal for kiln drives, wind turbine yaw drives, and heavy machinery.
- Versatile Tooth Profiles: Both spur and helical gears can be produced on the same hobbing machine, reducing tooling costs and lead time.
- High Efficiency: Hobbing process offers fast material removal rates while maintaining consistent tooth geometry, saving up to 30% machining time compared to shaping.
- Excellent Repeatability: CNC-controlled hobbing machines ensure identical tooth accuracy across multiple pieces, critical for parallel shaft systems.
- Customizable Heat Treatment: We can arrange carburizing, induction hardening, or nitriding to achieve required surface hardness (HRC 50–62).
- Full Inspection: Gear measurement equipment (gear tester, CMM) provides tooth profile, lead, and pitch deviation reports with every shipment.
Why Choose Henan San Kuang for Your Large Gear Hobbing?
Our company has exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, with an annual export value of US$2.5–5 million. We ship from major ports including Shanghai, Lianyungang, Qingdao, and Tianjin. Our manufacturing facility is equipped with large-scale hobbing machines (max 8m), gear shapers, grinding machines, and heat treatment furnaces, all operated by experienced engineers. We hold certifications such as ISO9001, ISO14001, OHSAS18001, and SA8000, ensuring quality, environmental responsibility, and social compliance. Every gear is backed by a strict quality assurance system. Contact us for a quotation or technical consultation – we offer competitive pricing and fast turnaround for large-diameter gears.
Frequently Asked Questions:
-
Q: What is the maximum diameter you can hob?
A: We can hob gears up to 8000 mm (8 meters) diameter. For larger sizes, please inquire about alternative machining methods. -
Q: Can you produce both spur and helical gears?
A: Yes, our hobbing machines are capable of cutting both spur (straight tooth) and helical (angled tooth) gears with customized helix angles. -
Q: What materials do you work with?
A: We commonly work with carbon steel (e.g., 45#), alloy steel (40Cr, 42CrMo, 20CrMnTi), stainless steel, and ductile iron. Special materials are available upon request. -
Q: What is the typical lead time for a large gear?
A: Lead time depends on size, complexity, and quantity. For a single 8m gear, typical lead time is 4–6 weeks. Rush orders are possible with prior arrangement. -
Q: Do you provide heat treatment?
A: Yes, we offer carburizing, induction hardening, and nitriding. We can also recommend the best treatment based on your application. -
Q: How do you ensure quality?
A: We have in-house gear measuring instruments and provide inspection reports including tooth profile, lead, pitch, and runout. We follow ISO 1328 or AGMA standards. -
Q: Can you process gears with internal teeth?
A: Internal gear hobbing is limited; we primarily process external teeth via hobbing. For internal gears, we can use shaping or broaching. -
Q: What are your shipping options?
A: We ship from Shanghai, Lianyungang, Qingdao, or Tianjin ports. For heavy gears, we can arrange ocean freight, FCL, or LCL as needed.
Contact us today to discuss your large-diameter gear requirements. With our certified production system and global export experience, we are your reliable partner for heavy-duty transmission components.
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