Henan Yizhi Machinery Co., Ltd
Focus on transmission parts and drive your mechanical system better
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1) Descriptions of Straight Bevel Gear
Straight bevel gears are the basic type of bevel gears used in mechanical transmission systems,
and they are widely applied in situations where the direction of transmission needs to be changed.
2) Features of Straight Bevel Gear
a)It can be processed by common milling or planing toothing techniques, with a precision reaching AGMA 8-10 level.
b)The materials are mostly alloy steel (such as 20CrMnTi), and their hardness is enhanced through carburizing and quenching processes.
c)Standard modulus design, facilitating interchangeability and maintenance.
3) Advantages of Straight Bevel Gear
a)Adaptable: Can be used in scenarios such as automotive differentials and machine tool indexing mechanisms.
b)Economical: The manufacturing cost is lower than that of spiral bevel gears (such as helical bevel gears).
c)Installation flexibility: Supports orthogonal (90°) or non-orthogonal axis arrangements (such as 45°).
| Products | Straight Bevel Gear |
| Custom Made | √ |
| Shaft Angle | 90° |
| Gear Teeth manufacturing | Gear Shaping |
| Gear Teeth Grinding | √ |
| Module (M) | 12 |
| Number of Teeth (Z) | 10 |
| Pressure Angle (α) | 20° |
| Teeth Accuracy Grade | ISO 8-9 Grade |
| Heat Treatment | Induction Hardened/Carburizing |
| Surface Hardness | Pinion 58-62 HRC/Gear 50-55 HRC |
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| 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 | |
