Hunan Dinghan New Material Technology Co., LTD
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | (Sample order) 7 days |
| Packaging Details | According to customers' requests |
| Application | micro reducers, automation systems, and high-performance machinery. |
| Gear Type | Spiral Bevel Gear Pair |
| Material | 20CrMnTi, 17CrNiMo6, SCM420, or Custom Alloy Steel |
| HS Code | 848340 |
| Heat Treatment | Carburizing & Quenching |
| Surface Hardness | HRC58–62 |
| Backlash | ≤ 6 arcmin |
| Efficiency | ≥ 94% |
| Accuracy Grade | ISO 5-6 |
| Brand Name | SJ, DH |
| Certification | ISO 9001 |
| Place of Origin | Changsha, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | Negotiable |
| Delivery Time | (Sample order) 7 days | Packaging Details | According to customers' requests |
| Application | micro reducers, automation systems, and high-performance machinery. | Gear Type | Spiral Bevel Gear Pair |
| Material | 20CrMnTi, 17CrNiMo6, SCM420, or Custom Alloy Steel | HS Code | 848340 |
| Heat Treatment | Carburizing & Quenching | Surface Hardness | HRC58–62 |
| Backlash | ≤ 6 arcmin | Efficiency | ≥ 94% |
| Accuracy Grade | ISO 5-6 | Brand Name | SJ, DH |
| Certification | ISO 9001 | Place of Origin | Changsha, China |
| High Light | Industrial Reducer Gear ，Reducer Gear ，Bevel Gear | ||
Spiral Bevel Gear Set for Precision Right-Angle Transmission
The spiral bevel gear set is a high-precision mechanical transmission component designed to transfer motion and power between intersecting shafts, typically at a 90-degree angle.
With helical tooth geometry, these gears deliver smooth, quiet, and efficient power transmission — ideal for micro reducers, automation systems, and high-performance machinery.
This gear pair consists of:
Bevel Pinion (small gear) – connected to the input shaft, responsible for driving.
Bevel Gear (large gear) – mounted on the output shaft, transmitting motion at a right angle.
The spiral bevel design allows progressive tooth engagement, minimizing noise and vibration compared to straight bevel gears.
The teeth are precisely ground after heat treatment to ensure excellent contact accuracy, high load capacity, and long service life.
| Spiral Bevel Gear Set for Precision Right-Angle Transmission | |
|---|---|
| Gear Type | Spiral Bevel Gear Pair |
| Transmission Angle | 90° (customizable 60°–120°) |
| Module Range | m0.8 – m6 |
| Tooth Surface Accuracy | AGMA 10–12 / DIN 6 |
| Gear Ratio | 1:1 to 1:10 |
| Material | 20CrMnTi, 17CrNiMo6, SCM420, or Custom Alloy Steel |
| Heat Treatment | Carburizing & Quenching (Surface Hardness HRC58–62) |
| Tooth Grinding | Precision Ground for Low Noise |
| Surface Finish | Ra ≤ 0.8 μm |
| Backlash | ≤ 6 arcmin (precision type) |
| Efficiency | ≥ 94% |
| Lubrication | Synthetic gear oil or grease |
| Application Environment | -20°C ~ +120°C |
CNC Gear Cutting – Advanced Gleason or Klingelnberg gear-cutting centers ensure perfect spiral geometry.
Heat Treatment – Carburized and quenched for surface hardness while maintaining core toughness.
Gear Grinding – High-precision grinding achieves low noise and minimal backlash.
Dynamic Balancing – Guarantees smooth operation at high speeds.
Inspection & Testing – Every gear undergoes runout, tooth contact, and torque verification before delivery.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1994
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Cha... Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Cha...
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