How to handle abnormal torque during automotive parts assembly
When torque is abnormal on an assembly line, first narrow down the scope: is it a specific workstation, a specific tool, a specific batch of parts, or a specific operator? For electric torque guns, check the calibration date, program number, and recent alarm logs; don't just rely on the 'Pass' indicator on the screen. Oil on threads, mixed-up gaskets, or incorrect tightening sequences can all…