Problem
Tool breakage
PCB DEFECT DIAGNOSIS
Problem → causes → verification → initial corrective action. Preliminary guidance to be validated on the actual process.
Tool breakage
Excessive load, poor evacuation, runout, a worn tool or unstable entry.
Analyse the break point, chip load, depth, stack, collet and cycle sequence.
Correct feed and RPM, hit count, retraction, support and collet maintenance.