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 gear reducers, robotic joints, machine tool spindles, automotive differentials, and aerospace drive systems. |
| Material | Alloy Steel / Carburized Steel (20CrMnTi, 17CrNiMo6, etc.) |
| HS Code | 848340 |
| Efficiency | Up to 96% |
| Gear Shape | Spiral / Hypoid Design |
| Gear Accuracy | 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 gear reducers, robotic joints, machine tool spindles, automotive differentials, and aerospace drive systems. | Material | Alloy Steel / Carburized Steel (20CrMnTi, 17CrNiMo6, etc.) |
| HS Code | 848340 | Efficiency | Up to 96% |
| Gear Shape | Spiral / Hypoid Design | Gear Accuracy | 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 – High Precision Right Angle Transmission Solution
The Spiral Bevel Gear Set is designed for precise 90° power transmission, combining compact structure with high efficiency and smooth operation.
This gear set consists of a driving pinion and a driven bevel gear, both manufactured with optimized spiral angles to ensure quiet, vibration-free, and reliable motion transmission.
It is widely used in micro gear reducers, robotic joints, machine tool spindles, automotive differentials, and aerospace drive systems.
| Spiral Bevel Gear Set – High Precision Right Angle Transmission Solution | |
|---|---|
| Gear Type | Spiral Bevel Gear / Hypoid Gear |
| Tooth Finish | Precision Grinding |
| Material | Alloy Steel / Carburized Steel (20CrMnTi, 17CrNiMo6, etc.) |
| Heat Treatment | Carburizing, Quenching, and Tempering – Surface Hardness HRC58–62 |
| Gear Accuracy | ISO 5-6 |
| Efficiency | Up to 96% |
| Noise Level | ≤ 65 dB (at high speed) |
| Tooth Profile Type | Spiral / Hypoid Design |
Smooth and Efficient Power Transmission
The spiral tooth line ensures multiple teeth are engaged simultaneously, reducing impact and vibration while improving overall transmission efficiency.
High Load-Carrying Capacity
Large contact surface and robust structure allow the gear to withstand heavy torque loads, suitable for demanding industrial and automotive applications.
Precision Manufacturing
Produced using 5-axis CNC machining and gear grinding, ensuring superior tooth accuracy, perfect meshing, and extended gear life.
Excellent Material and Heat Treatment
Carburized and quenched for maximum surface hardness and core toughness, providing excellent wear and fatigue resistance.
Low Noise Operation
Optimized gear geometry and grinding technology significantly reduce operational noise — ideal for quiet, high-end transmission systems.
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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