Hunan Dinghan New Material Technology Co., LTD
| Delivery Time | (Sample order) 7 days |
| Packaging Details | According to customers' requests |
| Application | Automotive, Aerospace, Industrial Automation, Robotics, Precision Instruments |
| HS Code | 848340 |
| Gear Type | Hypoid Gear |
| Efficiency | ≥ 94% |
| Noise Level | ≤ 65 dB |
| Gear Accuracy | ISO 5-6 |
| Brand Name | SJ, DH |
| Certification | ISO 9001 |
| Place of Origin | Changsha, China |
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Product Specification
| Delivery Time | (Sample order) 7 days | Packaging Details | According to customers' requests |
| Application | Automotive, Aerospace, Industrial Automation, Robotics, Precision Instruments | HS Code | 848340 |
| Gear Type | Hypoid Gear | Efficiency | ≥ 94% |
| Noise Level | ≤ 65 dB | 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 | ||
High Reduction Ratio Hypoid Grinding Gear for Precision Industrial Gearboxes
High-reduction-ratio hypoid grinding gears are high-ratio staggered-axis gears manufactured through a precision grinding process. Their design combines the offset characteristics of hypoid gears with the compactness of worm drives, making them suitable for high-precision, high-load transmission scenarios.
The hypoid gear is characterized by non-intersecting and offset axes, creating a unique spatial geometry that extends the contact line and increases the number of meshing tooth pairs during operation.
This distinctive structure enables smoother torque transmission and higher load capacity.
After precision grinding, the tooth surface achieves exceptional accuracy, high smoothness, and minimal profile error, ensuring excellent performance and durability.
High Reduction Ratio:
Capable of achieving a large transmission ratio within a compact structure, the gear meets the demanding requirements of applications needing high torque and low speed, effectively reducing rotational speed while increasing torque output.
Smooth and Low-Noise Transmission:
Due to optimized meshing characteristics, the hypoid gear operates with minimal impact and vibration, ensuring stable power delivery and low noise, suitable for environments with strict noise control standards.
Excellent Load-Bearing Capacity:
The special geometric design combined with precision grinding significantly enhances both tooth surface contact strength and root bending strength, allowing the gear to perform reliably under heavy load and continuous-duty conditions.
Automotive Industry:
Widely used in vehicle main reducers, especially for rear-wheel and four-wheel drive systems, ensuring smooth and efficient power transfer under varying road conditions while enhancing driving comfort.
Aerospace Sector:
Essential in aircraft engine transmission systems, landing gear retraction mechanisms, and other critical systems where reliability and precision under extreme conditions are paramount.
Industrial Automation:
Provides accurate and stable motion transmission for robots and automated production lines, enabling precise speed reduction and positioning control.
Precision Instruments:
Used in optical devices and electronic measuring equipment, ensuring measurement accuracy and vibration-free operation through high-precision transmission.
| Reduction Ratio | 5:1 – 30:1 |
| Material | 20CrMnTi / 40Cr / 42CrMo |
| Heat Treatment | Carburized & Quenched (HRC 58–62) |
| Gear Accuracy | DIN 6 / AGMA 11 |
| Tooth Surface Finish | Ra ≤ 0.8 μm |
| Torque Capacity | Up to 5000 N·m |
| Efficiency | ≥ 94% |
| Noise Level | ≤ 65 dB |
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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