How to deal with China automatic bending machine 1 bearing too much or too high 2 The oil machine of the curved machine does not contain impurities; 3 bearings and cross or end covered (too much is too tight); 4 eccentric inner hole bearing, rubbing; 5 The electrical end cover of the removal machine or the bearing cover is not flat; 6 Engines and non-optical coupling motors, or adjust belts; 7 Bearing gap is too large or too small; 8 folding motor shaft. 2. Troubleshooting 1 Add oil (1/3-2 / 3) according to regulations; 2 Replace the cleaning of fat and lubricated; Excessive release can be repaired, and the inner hole is passed through the car, grind the neck or end cap, etc. 4 repair support cover and eliminate cleaning points; 5 reassemble; 6 Re-calibrate, adjust the belt tension; 7 Replace the new bearings; 8 Correct shafts or replace the rotor.