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| Place of Origin | CHINA |
| Brand Name | YIZGEAR |
1) Description of Spur Gear
A spur gear is a cylindrical gear whose tooth line is parallel to the gear axis.
It transmits power and motion through the engagement of the teeth and is the most basic type of gear.
2) Feature of Spur Gear
a) The tooth direction is parallel to the axis, and the meshing process is simple and direct.
b) During transmission, the two gear shafts must be strictly parallel.
c) The instantaneous transmission ratio is constant, and the motion transfer is smooth.
3) Advantage of Spur Gear
a) The design and manufacturing process are mature, with low costs.
b) The transmission efficiency is high, generally reaching over 98%.
c) It is easy to install and maintain, and has relatively low requirements for assembly accuracy.
| 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 |
|
| 20CrNi2Mo | 20NiCrMo7 | 20XH2MA | 4320 | SNCM420 | |
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