Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 35 Days |
| Packaging Details | Plywood Crate |
| Manufacture Method | Gear Grinding |
| Surface Hardness | HRC58-62 |
| Tooth Profile | Spiral |
| Press Angle | 20° |
| Load Capacity | High |
| Surface Treatment | Heat treatment |
| Heat Treatment | Carburizing and Quenching |
| Brand Name | YIZGEAR |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 500 Sets/Month |
| Delivery Time | 35 Days | Packaging Details | Plywood Crate |
| Manufacture Method | Gear Grinding | Surface Hardness | HRC58-62 |
| Tooth Profile | Spiral | Press Angle | 20° |
| Load Capacity | High | Surface Treatment | Heat treatment |
| Heat Treatment | Carburizing and Quenching | Brand Name | YIZGEAR |
| Place of Origin | CHINA | ||
| High Light | helical tooth spiral bevel gears ，low noise spiral bevel gears ，high load capacity spiral bevel gears | ||
1. Description of Spiral Bevel Gear
Spiral bevel gear is a type of gear used to transmit rotational motion and power between intersecting shafts.
Its tooth surfaces are helical in shape, making it widely employed in automotive, aerospace, and industrial transmission equipment.
2. Features and Advantages of Spiral Bevel Gear
a) Helical tooth design: The tooth profile follows a spiral path, enabling gradual contact transition from one end to the other during meshing.
This results in smoother transmission and reduced noise levels.
b) High overlap ratio: More teeth engage simultaneously than in straight-toothed bevel gears,
enhancing load-bearing capacity and suitability for high-torque applications.
c) Adjustability: Axial fine-tuning optimises the contact area, accommodating installation errors or load-induced deformation.
3. Applications of Spiral Bevel Gear
a) Automotive differentials: such as rear axle main reduction gears, transmitting power to the wheels.
b) Helicopter transmission: connecting the turbine shaft to the rotor shaft within the main reduction gear.
c) Industrial equipment: 90° steering transmission for heavy-duty machine tools and mining machinery.
| Products | Spiral Bevel Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gears |
| Manufacturing | Gear Hobbing |
| Teeth Grinding | √ |
| Module (M) | Custom |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | Custom |
| Helix Angle (β) | Custom |
| Accuracy Grade | ISO 6-7 Grade |
| Heat Treatment | Carburizing |
| Surface Hardness | 58-62 HRC |
| STEEL CODE GRADES COMPARISON | |||||
| CHINA/GB | ISO | ГΟСТ | ASTM | JIS | DIN |
| 45 | C45E4 | 45 | 1045 | S45C | CK45 |
| 40Cr | 41Cr4 | 40X | 5140 | SCr440 | 41Cr4 |
| 20CrMo | 18CrMo4 | 20ХМ | 4118 | SCM22 | 25CrMo4 |
| 42CrMo | 42CrMo4 | 38XM | 4140 | SCM440 | 42CrMo4 |
| 20CrMnTi | 18XГT | SMK22 | |||
| 20Cr2Ni4 | 20X2H4A | ||||
| 20CrNiMo | 20CrNiMo2 | 20XHM | 8720 | SNCM220 | 21NiCrMo2 |
| 40CrNiMoA | 40XH2MA/ 40XHMA | 4340 | SNCM439 | 40NiCrMo6/ 36NiCrMo4 | |
| 20CrNi2Mo | 20NiCrMo7 | 20XH2MA | 4320 | SNCM420 | |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2016
Total Annual:
1.0 Million-1.5 Millon
Employee Number:
50~200
Ecer Certification：
Verified Supplier
YIZHI MACHINERY which is equipped with a full range of machining capabilities to satisfy customer needs. Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry.... YIZHI MACHINERY which is equipped with a full range of machining capabilities to satisfy customer needs. Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry....
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