How to diagnose roll chock bearing overheating on a SMS X-Roll rolling mill
Chock bearing overheating on a rolling mill is usually caused by low oil film bearing pressure or flow restriction. Check the oil supply pressure at the chock inlets and pull an oil sample before changing out the roll.
~45 min7 steps
How to diagnose roll gap control deviation on a SMS X-Roll rolling mill
Strip thickness deviation despite AGC means the hydraulic capsule position sensor is drifting or the capsule is leaking. Verify sensor calibration and capsule pressure before blaming the rolling schedule.
~45 min6 steps
How to diagnose spindle coupling vibration on a SMS X-Roll rolling mill
Spindle vibration at roll speed frequency is usually worn coupling cross-pins or unequal coupling balance from worn elements. Inspect the coupling teeth or cross-pins during the next roll change stop.
~90 min7 steps