I. Daily Maintenance
1. Check the lubricating oil level to ensure proper machine tool lubrication. SQ163 series 68# guideway lubricating oil is recommended.
2. Check the coolant level in the coolant tank; add coolant if necessary.
3. Check the oil level in the pneumatic triplet; it should be approximately 2/3 of the total oil pipe height. Drain the water vapor from the pneumatic triplet's oil filter tank daily using the drain switch.
4. Check the air pressure. Loosen the adjustment knob and adjust the pressure according to the principle of turning right to increase pressure and turning left to decrease pressure. Generally, set it to 5-7 kg/cm². The pressure switch is usually set to 5 kg/cm². An alarm will sound if the pressure is below 5 kg/cm², displaying a "low air pressure" alarm. The alarm will disappear once the pressure increases.
5. Check if the air blowing in the spindle's internal tapered bore is normal. Wipe the spindle's internal tapered bore with a clean cotton cloth and spray with light oil.
6. Clean the tool magazine arms and tools, especially the tool jaws.
7. Clean exposed limit switches and contact blocks.
8. Remove cutting and oil stains from the worktable, machine tool interior, and three-axis telescopic guard.
9. Check all indicator lights and alarm lights for proper function.
10. Check for leaks in the hydraulic unit pipes.
11. Clean the machine tool after each day's work.
12. Maintain a clean environment around the machine.
II. Weekly Maintenance
1. Clean the air filter of the heat exchanger, and the filters of the cooling pump and lubrication pump.
2. Check for loose tool catch bolts and ensure the tool holders are clean.
3. Check for misalignment of the three-axis mechanical origin.
4. Check the smooth operation of the tool changer arm and the tool magazine disc rotation.
5. If an oil cooler is used, check the oil cooler oil level. If it is below the mark, add oil cooler oil promptly. SQ169 series No. 2, No. 5, and No. 10 spindle oil are recommended. 6. Check the oil cooler's set temperature; it is recommended to set it between 26-28 degrees Celsius.
The above are the daily maintenance procedures for machining centers. We hope this explanation is helpful.
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