Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 30 Days |
| Packaging Details | Plywood Crate |
| Gear Type | Cylindrical Gear |
| Quality Grade | ISO 6 Grade |
| Number Of Teeth | Custom |
| Manufacture | Gear Ground |
| Processing | Forging |
| Forging Steel | 17CrNiMo6 |
| 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 | 30 Days | Packaging Details | Plywood Crate |
| Gear Type | Cylindrical Gear | Quality Grade | ISO 6 Grade |
| Number Of Teeth | Custom | Manufacture | Gear Ground |
| Processing | Forging | Forging Steel | 17CrNiMo6 |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | Transmission Single Helical Gear ，Metallurgical Rolling Mill Single Helical Gear ，Optimized Axial Force Distribution Helical Gear | ||
1) Description of Helical Gear
As a mechanical transmission component, helical gears transmit the rotational motion and torque of the input shaft
to the output shaft through the meshing of spiral tooth surfaces, achieving the conversion of speed and torque.
2) Feature of Helical Gear
a) The axial force distribution can be optimized by adjusting the helix angle, balancing the radial load.
b) It has a high transmission efficiency, generally reaching over 98%, which reduces energy loss.
c) It can achieve a large gear ratio, with a compact structure that saves installation space.
3) Working Principle of Helical Gear
By utilizing the axial component force of the spiral tooth surfaces, helical gears generate axial displacement compensation
during the meshing process. This reduces local stress concentration caused by manufacturing errors, ensuring the stability of transmission.
4) Application of Helical Gear
It is used in scenarios with strict requirements for transmission efficiency and spatial layout, such as ship propulsion systems,
metallurgical rolling mill transmission devices, and automated production lines.
| Products | Helical Gears |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Manufacturing | Gear hobbing |
| Teeth Grinding | √ |
| Module (M) | Custom |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | Custom |
| Lead Angle | Custom |
| Accuracy Grade | ISO 6-7 Grade |
| Heat Treatment | Carburizing |
| Surface Hardness | 58-62HRC |
| 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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