Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 60 Days |
| Packaging Details | Plywood Crate |
| Material | Steel |
| Heat Treatment | Carburizing and Quenching |
| Profile | Inner Gear Ring |
| Manufacture | Gear Shapping |
| Pressure Angle | 20 degrees |
| Accuracy Grade | ISO 8-9 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 | 60 Days | Packaging Details | Plywood Crate |
| Material | Steel | Heat Treatment | Carburizing and Quenching |
| Profile | Inner Gear Ring | Manufacture | Gear Shapping |
| Pressure Angle | 20 degrees | Accuracy Grade | ISO 8-9 Grade |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | Heavy Duty Internal Gear ，Smooth Gear Meshing Internal Gear ，ISO 8-9 Grade Internal Gear | ||
1)Descriptions of Internal Gear
The internal spur gear is a kind of internal meshing gear that transmits power and motion by meshing with the external gear through its straight teeth.
2)Features of Internal Gear
a) During the meshing process, the contact line of the tooth surfaces is parallel to the axis, resulting in good transmission stability.
b) Due to its internal meshing characteristic, it has a stronger load-bearing capacity than external gears of the same size.
3)Advantages of Internal Gear
a) Smooth operation: The direct gear meshing has less impact and the noise is lower than that of the helical internal gears.
b) High torque transmission: The internal meshing structure can withstand large radial forces and is suitable for heavy-duty applications.
| 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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