Kaltenbach KPS Series, Manual

Page: 125 / 268

KPS SERIES
Technical Documentation
M-UK-KPS--06
11/02/03 Page 125 of 138
KALTENBACH
6.2.18 Solving drill problems
Below a survey is given of possible situations concerning the drills.
Problem Caused Solution
The head of the drill will
burn after several holes. A cutting speed which is too
high gives the problem that
the head of the drill will
burn after several holes. Select a lower cutting
speed, check grinding
quality of the drill.
The drills break. Cutting speed too low or
feeding speed too high.
Select a higher cutting
speed or a lower feeding
speed.
Te chips are thick. Feeding speed too high. Select a lower feeding
speed.
Te chips are thin. Feeding speed too low. Select a higher feeding
speed.
The drill oscillates. Due to feeding speed too
low , it is possible that the
drill has not enough
pressure loads against the
material. Select a higher feeding
speed.