Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 30 Days |
| Packaging Details | Plywood Crate |
| Description | Soft Tooth Surface Gear |
| Hardness | 58-62 HRC |
| Profile Type | Helical Gear |
| Size | Custom |
| Manufacturing Method | Forged, Machined, Heat Treated |
| Quality Grade | ISO 6 Grade |
| 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 |
| Description | Soft Tooth Surface Gear | Hardness | 58-62 HRC |
| Profile Type | Helical Gear | Size | Custom |
| Manufacturing Method | Forged, Machined, Heat Treated | Quality Grade | ISO 6 Grade |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | Industries heavy duty helical gear ，Heat Treated Helical Gear ，Precision Transmission Single Helical Gear | ||
1) Description of Helical Gear
Helical gears are usually made of high - quality alloy steels (such as 20CrMnTi, 40Cr) or high - strength cast iron.
Their spiral tooth structures are formed through processes including forging, cutting, and heat treatment.
2) Feature of Helical Gear
a) Surface treatments like carburizing quenching and nitriding can be utilized to increase the hardness of the tooth surface,
thereby enhancing wear resistance and fatigue resistance.
b) Advanced hobbing and gear grinding processes can ensure high - precision tooth profiles, reducing transmission errors.
c) The modular design makes mass production convenient and keeps costs manageable.
3) Working Principle of Helical Gear
When the tooth surfaces strengthened by heat treatment mesh, the surface hardened layer resists friction and wear,
while the toughness of the core part ensures the overall strength of the gear, achieving efficient and stable transmission.
4) Application of Helical Gear
It is applied in fields with extremely strict requirements for material properties and machining accuracy, such as aero - engine reducers,
construction machinery gearboxes, and precision instrument transmission devices.
| 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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