Owner's manual

85
4
. Troubleshootin
g
– Thread millin
g
Machine inef ciency
• Machine RPM’s too low
• Reduce cutting speed before table
speed
• Use a smaller cutter and make
several infeed passes
• If using CoroMill Plura, change to
CoroMill 327
Problem Cause Solution
Conical threads
• Cutting forces too high
• Reduce tool length
• Use conventional milling
• Reduce feed
• Increase number of infeed passes