Spindle maintenance

1. Dismantle the spindle, remove the protective cover of the grinding wheel, and open the diagonal fixing screws of the spindle;

2. Pull out the rear of the machine together with the motor;

3. Remove the fixing bolts between the spindle and the motor, and separate the spindle;

4. Maintenance of the main shaft, remove the rotor of the main shaft, open the front and rear pressure covers, and remove the shaft center and bearings;

5. Taper grinding of the axis;

6. Replace bearings;

7. Reset installation, adjust dynamic balance and temperature measurement to ensure that the temperature, accuracy, sound and balance meet the requirements.