| Bad surface finish: 1. Increase the coolant flow. 2. Choose an insert with a sharp cutting edge. 3. Check that all chips have been evacuated. 4. Choose a smaller nose radius than the depth of cut. 5. If there is between 4 x D to 6 x D overhang choose a carbide bar. 6. If there is over 6 x D overhang, choose a Silent Tool. |