Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 35 Days |
| Packaging Details | Plywood Crate |
| Teeth Number | 121 |
| Pressure Angle | 20 degrees |
| Type | Cylindrical Gear |
| Mounting Type | Internal |
| Material | Steel |
| Manufacturing Method | Machining/Gear Shaping |
| 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 |
| Teeth Number | 121 | Pressure Angle | 20 degrees |
| Type | Cylindrical Gear | Mounting Type | Internal |
| Material | Steel | Manufacturing Method | Machining/Gear Shaping |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | 650HV cylindrical internal spur gear ，ISO 8-9 grade transmission gear ，high hardness internal spur gear | ||
Internal spur gears, commonly referred to as internal gears, are a type of gear whose tooth profile is distributed along the outer surface of a cylindrical body. Their tooth form is straight and parallel to the axis. They mesh with an external spur pinion to form an internal gearing pair, enabling compact coaxial transmission.
Its operating principle is analogous to that of externally meshed gears, relying on continuous engagement between tooth profiles to transmit motion and power. The key distinction lies in the fact that when the external pinion, acting as the driving gear, rotates, it drives the internal gear to rotate in the same direction. This stands in stark contrast to the counter-rotation characteristic of externally meshed gears.
Primarily employed in applications with stringent radial space constraints:
| Parameter | Specification |
|---|---|
| Custom Made | Available |
| Gear Profile Type | Cylindrical Gear |
| Manufacturing Process | Gear Milling & Gear Teeth Hobbing |
| Teeth Grinding | Included |
| Module (M) | 0.5-25 |
| Number of Teeth (Z) | 58 |
| Pressure Angle (α) | 20° |
| Lead Angle | 0° |
| Accuracy Grade | ISO 8-9 Grade |
| Heat Treatment | Nitriding |
| Surface Hardness | 650HV |
| 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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