1. If the motor of drilling and milling machine in Dongguan CNC processing plant does not rotate, check whether the wiring is correct and whether the power supply is powered on.
2. The spindle of the drilling and milling machine has large radial runout, abnormal sound and heating. Check whether the spindle is loose and adjust the locking nut of the spindle assembly to achieve proper tightness.
3. The drilling and milling machine in Dongguan CNC processing plant shakes. Check whether the locking nuts and screws of the motor base plate and support rod are loose, whether the machine head and support are clamped on the column, and adjust each locking part to achieve firm clamping.
4. The spindle of the drilling and milling machine in Dongguan CNC processing plant is blocked and does not reset. Check whether there are iron filings and sundries at the joint between the spindle sleeve and the gear shaft and whether the spring is tired and loose. Clean up the iron filings and sundries, apply oil and tighten the spring properly.
5. The lifting sliding seat of drilling and milling machine is unbalanced, there is abnormal noise, and the workbench moves unsteadily. Check whether there are iron chips at the fit of bevel gear and whether the inclined iron is loose. Clean the iron chips, inject oil and adjust the tightness of the inclined iron.
6. In case of abnormal response of the gear box of the drilling and milling machine, stop and check whether the speed change is in place and whether there is lack of oil.