Manual

45
3. Turning
Positive geometries
Positive geometries and positive rake angles generate less cutting
forces and less deection of the tool. Therefore, choose the most
positive geometry you can, with a chip-breaker suitable for your
cutting data. This may decrease the wear resistance and edge
strength somewhat, as well as the chip-control, so vibration control
is always a balance.
Wiper inserts
Wipers are usually not rst choice when it comes to avoiding
vibration, as the increased cutting forces and radial deection
are difcult to overcome. In very stable conditions, however, wiper
inserts can provide true benets in surface nish and increased
cutting data.