PCB DEFECT DIAGNOSIS

Runout

Problem → causes → verification → initial corrective action. Preliminary guidance to be validated on the actual process.

01

Problem

Runout

02

Possible causes

Dirty or worn collet, off-centre tool, or non-conforming spindle or installation.

03

Verification

Measure without contact under defined conditions; check collet, shank, vibration and temperature.

04

Initial actions

Clean or replace the collet, verify tool and clamping, and diagnose the spindle if the issue persists.

Request initial assessment