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 |
| Surface | Bright |
| Type | Gleason |
| Service | Customized |
| Teeth Accuracy Grade | ISO 5-6 Grade |
| Material | 20CrMnTi/20CrMo/20CrNiMo/18CrNiMo/38CrMoAl/42CrMo/40Cr |
| Heat Treatment | Carburization and quenching/Carbonitriding/High frequency/Quenched and tempered...... |
| Brand Name | SJ, DH |
| Certification | ISO |
| 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 |
| Surface | Bright | Type | Gleason |
| Service | Customized | Teeth Accuracy Grade | ISO 5-6 Grade |
| Material | 20CrMnTi/20CrMo/20CrNiMo/18CrNiMo/38CrMoAl/42CrMo/40Cr | Heat Treatment | Carburization and quenching/Carbonitriding/High frequency/Quenched and tempered...... |
| Brand Name | SJ, DH | Certification | ISO |
| Place of Origin | Changsha, China | ||
| High Light | ISO 5-6 Grade Spiral Bevel Gear ，High Load-Bearing Bevel Gear Set ，Carburized and Quenched Industrial Gear | ||
The Spiral Bevel Gear Set consists of a high-performance Ring Gear (crown gear) and a Pinion Shaft with integrated splines. Engineered for intersecting shafts—typically at a 90-degree angle—these gears are the heart of advanced power transmission systems. By utilizing a curved tooth profile, they offer a superior alternative to straight bevel gears in terms of strength, noise reduction, and service life.
High Load-Bearing Capacity: The curved teeth provide a larger contact surface area, allowing the gears to handle massive torque and high impact loads.
Smooth & Quiet Operation: The gradual engagement of the spiral teeth minimizes mechanical vibration and "gear whine," even at high RPMs.
Exceptional Efficiency: Precision-machined tooth profiles achieve a transmission efficiency of 96%–98%, reducing energy loss.
Premium Material & Treatment: Manufactured from high-strength alloy steel (such as 20CrMnTi) and carburized/quenched to HRC 58-62 for maximum wear resistance.
Precision Spline Shaft: The pinion features a precision-cut external spline for secure, slip-free connection to drive shafts or gearboxes.
Our spiral bevel gears are critical components in demanding industries:
Automotive & Heavy Vehicles: Main reducers and differential units for trucks, buses, and SUVs.
Construction Machinery: Transmission systems for excavators, loaders, and cranes.
Industrial Gearboxes: High-torque right-angle speed reducers for manufacturing lines.
Agricultural Equipment: PTO drives for tractors and harvesters.
Matched Pairs: These gears are lapped and tested in pairs; they must be installed and replaced as a set to ensure perfect meshing.
Precise Alignment: Proper axial adjustment is vital to keep the contact pattern centered, preventing premature wear.
Lubrication: Use high-quality Extreme Pressure (EP) gear oil (e.g., GL-5) to protect the sliding tooth surfaces.
Gear Type: Spiral Bevel Gear
Module Range: Customizable
Pressure Angle: 20° / Custom Available
Material Options: Alloy Steel (e.g., 20CrMnTi, 42CrMo, etc.)
Heat Treatment: Carburizing, Quenching & Tempering
Precision Grade: DIN 6–10 (Customizable)
Surface Treatment: Grinding / Honing
| Products | High-Precision Spiral Bevel Gear Set - Custom Industrial Gears |
| Service | Customized |
| Shape | Spiral Bevel Gear |
| Gear Teeth Manufacturing | Turning/Milling/ Grinding |
| Module (M) | ≤4 |
| Teeth Accuracy Grade | ISO 5-6 Grade |
| Heat Treatment | Carburization and quenching/Carbonitriding/High frequency/Quenched and tempered...... |
| Hardness | Hardened |
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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