Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 60 Days |
| Packaging Details | Plywood Crate |
| Quality Grade | ISO 8-9 Grade |
| Manufacturing Method | Machining/Gear Shaping |
| Pressure Angle | 20 degrees |
| Tooth Profile | Spur |
| Module | 10 |
| Gear Type | Internal Gear |
| 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 | 60 Days | Packaging Details | Plywood Crate |
| Quality Grade | ISO 8-9 Grade | Manufacturing Method | Machining/Gear Shaping |
| Pressure Angle | 20 degrees | Tooth Profile | Spur |
| Module | 10 | Gear Type | Internal Gear |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | High Durability Internal Spur Gear ，Gear Shaping Internal Spur Gear | ||
1)Descriptions of Internal Gear
Internal gears are internal gears that need to be processed through methods such as hobbing, broaching or wire cutting.
They require high precision from both the tools and the machine tools.
2)Features of Internal Gear
a) The processing of internal gears is more difficult than that of external gears. Special tools are required to avoid interference.
b) Hardness and precision are usually enhanced through processes such as quenching and gear grinding.
3)Advantages of Internal Gear
a) High precision option: Through gear grinding technology, it can achieve IT5-IT6 level of accuracy, meeting the requirements of precise transmission.
b) High material utilization rate: The internal gear structure can reduce material waste and is suitable for mass production.
| Products | Internal Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Shaping |
| Gear Teeth Grinding | If needed |
| Module (M) | 0.5-25 |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 0 |
| Teeth Accuracy Grade | ISO 8-9 Grade |
| Heat Treatment | Quenching & Tempering |
| Hardness | 230-260 HB |
| 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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