Henan Yizhi Machinery Co., Ltd
Focus on transmission parts and drive your mechanical system better
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1) Manufacturing processing of Spline shaft
There are two complementary types of splines, internal and external. External splines may be broached. shaped
(for example on a gear shaping machine), millled, hobbed, rolled, ground or extruded.
2) Types of Splines
a) Involute Spline
b) Parallel-sided or Straight-sided spline
c) Serration.
3) Applications of Spline Shaft
a) Drive shafts on vehicles and power take-offs use splines to transmit torque and rotation and allow for changes in length
b) Splines are used in several places in bicycles.
c) Aircraft engines may have a spline upon which mounts the propeller.
| Products | Rectangular Spline Shafts |
| Custom Made | √ |
| Gear Profile Type | Spline |
| Spline Teeth manufacturing | Spline Milling/ Spilne Grinding |
| Spline Teeth Grinding | √ |
| Module (M) | Custom |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | 30° |
| Helix Angle (β) | |
| Teeth 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 | |