Page 231 - Threading_Handbook
P. 231
THREAD MILLING
Problem Cause Solution
• High load on the cutting edge • Add radial passes
• Unproper cutting conditions • Adjust cutting conditions
• Chip evacuation • Add sufficient coolant
• CNC program error • Check CNC program
Insert/Tool Breakage
• Tool cutting load • Add radial passes and/or
• Tool overhang reduce cutting conditions
• Clamp tool to the minimum
overhang length
Tapered Thread
• Unsuitable cutting conditions • Adjust feed/speed
• Vibrations • Reduce overhang as
short as possible
• Check tool and workpiece clamping
Short Tool Life
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