1. The choice of spindle motor:
1. It should meet the requirements of the cutting speed of the machine tool, the metal removal rate per unit time, and the low-speed and high-torque of the spindle;
2. The motor power calculated according to the required spindle acceleration/deceleration time should not exceed its maximum output power;
3. The calculated average power cannot exceed its continuous rated output power when the spindle is frequently started and braked;
4. In the case of constant speed control, the sum of the cutting speed power required for constant speed and the power required for acceleration should be within the power range that the motor can provide.
2. Maintenance of mechanical parts:
(1) Maintenance of pneumatic system
1. Choose a suitable filter to remove impurities and moisture in the compressed air;
2. Check the oil supply of the lubricator in the system to ensure that the air and an appropriate amount of lubricating oil are used to lubricate the pneumatic components to prevent rust and abrasion from causing air leakage and component failure;
3. Regularly check and replace the seals;
4. Pay attention to adjusting the working pressure;
5. Regularly check and clean or replace pneumatic components and filter elements
(2) Maintenance and inspection of the accuracy of CNC machine tools
The machine accuracy check shall be carried out in the following situations:
1. After a crash caused by operating error or machine tool failure;
2. After the dynamic accuracy of the machine tool changes.