Centerless grinding of front forks
General characteristics
| Tube diameter | 30 mm |
|---|---|
| Tube length | 580 |
| Material | SAE 1541 |
| Hardness | 32 - 35 HRC |
| Througfeed rate | 1,8 m/min |
| Type of dresser | Multipoint (21) |
| Coolant | 3%, synthtic or semi-synthetic |
Grinding process
| Roughing | Finish | Post-Chrome | |
|---|---|---|---|
| Machine | Cincinnati 3-500 | Cincinnati 3-500 | Cincinnati 220-8 |
| Grinding wheel | 2WAA60.5/125/OL240-P | AWA401/ 240-P | 400FK200B-P |
| Wheel dimensions | 610 x 508 x 305 | 610 x 508 x 305 | 510 x 205 x 305 |
| Regulating wheel | A80RL | A180RL | A180RL |
| Wheel dimensions | 355,6 x 508 x 152,4 / 2 | 355,6 x 508 x 152,4 / 2 | 305 x 205 x 127 / 2 |
| Stock removal | 0,15 – 0,17 mm | 0,01 – 0,04 mm | 0,002 – 0,003 mm |
| Dressing frequency | 1 time/shift | 1 time/shift | 1 time/shift |
| Surface roughness (Ra) | 0,3 – 0,5 | 0,06 – 0,08 | 0,05 – 0,06 |
| Lifespan | 80.000 units | 80.000 units | 80.000 units |
