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[China]
Trade Verify
Address: Taihong 19# South SongShan Road, Erqi Distict, Zhengzhou, China.
Contact name:Kevin
Henan Yizhi Machinery Co., Ltd |
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Verified Suppliers
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Considerations When Choosing a Speed Reducer
The considerations when choosing speed reducers include:
a) Torque of the Motor
b) Geometry of the Shaft Housing
c) Speed of Motor
d) Selection of Speed Reducer
e) Performance of the Motor
f) Backlash in the Gearbox
g) Mounting and Connection
| Products | Gear Box/ Gear Reducer |
| Custom Made | √ |
| Gear Profile Type | Double Helical Gear |
| Gear Teeth manufacturing | Gear Hobbing/ Gear Grinding |
| Gear Teeth Grinding | √ |
| Module (M) | Custom |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | 20°/ 14.5° |
| Helix Angle (β) | Custom |
| Teeth Accuracy Grade | ISO 6-7 Grade |
| Heat Treatment | Carburizing/Cement Quenching/Nitriding |
| Surface Hardness | 58-62 HRC |
| 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 | |
