Excessive axial play of spindle
Nantong QN6004, combination lathe / drill / mill / shaper
Possible cause
Thrust bearing clearance
What to do
Manufacturer's manual, p. 38Adjust thrust ball bearing
Other Nantong QN6004 faults
Workpiece turns oval or ends run out; chatter when notchingSpindle bearing clearance too large or bearings wornIrregular ripples on finished surfaceWorn spindle roller bearing raceTailstock centre unsteadyWorn sleeve or hole
From the manufacturer's manual “EM-18 -1 UNIVERSAL MACHINE TOOL”. Check against the original on board before work.