Henan Yizhi Machinery Co., Ltd
Focus on transmission parts and drive your mechanical system better
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Gear Grinding Transmission Gear Shaft- 17CrNiMo6 Steel Helical Gear Shaft
1) Description of Helical Gear
Helical Gear is a cylindrical shaped gear with helicoid teeth.
2) Direction of Helical Gear
Right hand and Left hand
3) Features of Helical Gear
Helical gears can bear more load than spur gears.
A Axial thrust force caused by the helix form.
| Products | Left Hand Helical Gear Shaft |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth Manufacturing | Gear Grinding |
| Gear Teeth Grinding | √ |
| Module (M) | 16 |
| Number of Teeth (Z) | 17 |
| Pressure Angle (α) | 20° |
| Lead Angle | 25° |
| Accuracy Grade | ISO 6-7 Grade |
| Heat Treatment | Carburizing |
| 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 | |
