Henan Yizhi Machinery Co., Ltd
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1) Description of sprail bevel gear
Sprial bevel gear is a special type bevel gear, a sprial bevel gear with a cruve helical angle.
2) Gear quality of sprial bevel gear
Standard sprail bevel gear manufactured by gear teeth milling processing.
The sprial bevel gear can be with gear teeth grinding processing after heat treatment.
The gear teeth quality can reach ISO 5-6 grade (AGMA 10-11 Grade)
| Products | Spiral Bevel Gears With Internal Splines |
| Custom Made | √ |
| Gear Profile Type | Gleason |
| Worm Gear Manufacturing | Gear Milling & Gear Teeth Grinding |
| Worm Shaft Teeth Grinding | √ |
| Module (M) | 16.477 |
| Number of Teeth (Z) | 18 & 23T |
| Pressure Angle (α) | 20° |
| Lead Angle | 15° |
| Worm Shaft Accuracy Grade | ISO 6 Grade |
| Heat Treatment | Carburizing |
| Surface Hardness | 58-62HRC |
| 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 | |
