Problems  Possible Causes  Solutions - Komet KUB Centron Powerline Mode D'emploi

KOMET KUB Centron® Powerline
Problems  possible causes  solutions
26
Short tool life types of wear on inserts
• cutting speed to high  select correct cutting speed
• cutting material with too little wear resistance  select
grade with higher wear resistance
• tool overhang too great  if possible use shorter tool
• damaged insert seating  check tool, change if
necessary
• clamping device not stable enough  improve stability
Bore narrows at bottom
• chip jam  use different chip fracture geometry,
increase feed if necessary
• material very soft  increase cutting speed, reduce
feed. Use positive chip geometry
Bore widens at bottom
• chip jam  use different chip fracture geometry,
increase feed if necessary
Bad surface finish
• bad chip removal  improve cutting parameters:
increase cutting speed reduce feed
Bild up on cutting edge
• cutting speed too low  increase cutting speed
• insert too negative  use positive geometry
• coating not suitable  select correct coating
Friction marks on tool shank
• bore diameter too small  check setting
• chip removal problems  improve cutting parameters,
check geometry of inserts
• cutting edge corner radius too large  use correct cut-
ting edge radius
Please see notes on safety (page 19)!