Henan Yizhi Machinery Co., Ltd
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1) Features of spiral bevel gear
a) Spiral bevel gear offers higher strength and less noise
b) Gears can with a higher reduction ratio
c) Spiral bevel gear set need to be replaced in pairts (Both left hand and right hand)
2) Direction of Spiral Bevel Gear
a) Right hand
Right hand spiral bevel gear is one in which the outer half of a tooth is inclined in the clockwise direction.
b) Left hand
Left hand spiral bevel gear is one in which the outer half of a tooth is inclined in the counterclockwise direction.
| Products | Spiral Bevel Gears With Internal Splines |
| Custom Made | √ |
| Material | 17CrNiMo6/18CrNiMo7 |
| Gear Teeth manufacturing | Gear Milling & Gear Teeth Grinding |
| Gear Teeth Grinding | √ |
| DP | 10 |
| Number of Teeth (Z) | 45T |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 35° |
| Teeth Accuracy Grade | ISO 6 Grade/ AGMA 11Grade |
| 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 | |