Centerless grinding of steering racks
General characteristics
| Rod diameter | 22 mm |
|---|---|
| Rod length | 550 mm |
| Material | SAE 1141 |
| Hardness | 187 - 212 HB |
| Throughfeed rate | 1,94 m/min |
| Type of dresser | Multipoint (21) |
| Coolant | 3%, synthetic or semi-synthetic |
Grinding process
| Roughing | |
|---|---|
| Machine | Estarta 327 MDA |
| Grinding wheel | C3MBC650D22D |
| Wheel dimensions | 650 x 500 x 305 |
| Regulating wheel | A120RL |
| Wheel dimensions | 350 x 500 x 203,2 |
| Stock removal | 0,15 – 0,25 mm. |
| Dressing frequency | 250 units |
| Surface roughness (Ra) | 0,13 – 0,21 μm |
| Bending | 0,006 mm. |
