Roughing and Finishing
Assignment: Roughing and Finishing
Prepare a program for the drawing below where a roughing is made with an external screw steel. Chipping depth must be 5mm in diameter. Then a finishing operation must be carried out with an external copy steel.
| Turning Tools | |
| Roughing Tool | T01 |
| Finishing Tool | T03 |
| Speeds & Feeds | |
| Surface Speed for Roughing | 200 m/min |
| Surface Speed for Finishing | 300 m/min |
| Feed for Roughing | 0.25 mm/rev |
| Feed for Finishing | 0.15 mm/rev |
Assignment: Roughing, Finishing and Grooving
Prepare a program for the drawing below where a roughing is made with an external screw steel. Chipping depth must be 5mm in diameter. Then a finishing operation must be carried out with an external copy steel.
| Turning Tools | |
| Roughing Tool | T01 |
| Finishing Tool | T03 |
| Grooving Tool 4mm | T05 |
| Speeds & Feeds | |
| Surface Speed for Roughing | 200 m/min |
| Surface Speed for Finishing | 300 m/min |
| Surface Speed for Grooving | 150 m/min |
| Feed for Roughing | 0.25 mm/rev |
| Feed for Finishing | 0.15 mm/rev |
| Feed for Grooving | 0.07/rev |
