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| Place of Origin | CHINA |
| Brand Name | YIZGEAR |
1) Description of Spur Gear
A straight gear is a cylindrical gear whose teeth are parallel to the axis. Compared with other types of gears such as
helical gears and bevel gears, it has unique transmission characteristics.
2) Feature of Spur Gear
a) The meshing method is of line contact, with uniform force distribution.
b) There is no axial component force, and the requirements for the bearing are relatively low.
c) The structure is simple, and no additional axial force is generated.
3) Advantage of Spur Gear
a) Compared with helical gears, the manufacturing and assembly costs are lower.
b) Compared with bevel gears, it is more suitable for power transmission between parallel shafts.
c) During the transmission process, there will be no axial movement, and the running stability is good.
| Products | Spur Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gears |
| Manufacturing | Gear Hobbing |
| Teeth Grinding | √ |
| Module (M) | 1.5 |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 0 |
| 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 |
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| 20CrNi2Mo | 20NiCrMo7 | 20XH2MA | 4320 | SNCM420 | |
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