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The main items of CNC lathe processing equipment include hydraulic system, spindle lubrication system, rail lubrication system, cooling system and pneumatic system. The daily inspection of CNC lathe processing equipment is based on the normal conditions of each system. For example, when performing the process inspection of the spindle lubrication system, the power light should be on and the hydraulic pump should operate normally. If the power light is off, the spindle should be stopped and contacted by the mechanical engineer. Perform repairs.
2. Weekly inspection of CNC lathe processing equipment
The main items of the weekly inspection of CNC lathe processing equipment include machine tool parts and spindle lubrication system, which should be checked on a weekly basis. In particular, iron chips should be removed from machine tool parts and external debris should be cleaned.
3. Monthly inspection of CNC lathe processing equipment
Mainly to check the power supply and air dryer. Under normal circumstances, the power supply voltage is rated at 180V-220V and frequency is 50Hz. If there is any abnormality, it must be measured and adjusted. The air dryer should be removed once a month and then cleaned and assembled. 4. Seasonal inspection of CNC lathe processing equipment
4. The quarterly inspection of CNC lathe processing equipment should be mainly conducted from the three aspects of machine tool bed, hydraulic system and spindle lubrication system. For example, when inspecting the machine tool bed, it mainly depends on whether the machine tool accuracy and machine tool level meet the requirements in the manual. If there is any problem, contact the mechanical engineer immediately. When inspecting the hydraulic system and the spindle lubrication system, if there is a problem, the new oil 6oL and 20L should be replaced and cleaned.
5. Semi-annual inspection of CNC lathe processing equipment
After six months, the hydraulic system, spindle lubrication system, and the X-axis of the CNC lathe processing equipment should be inspected. If something goes wrong, it should be replaced with new oil and then cleaned.
After fully familiarizing with and mastering the knowledge of preventive maintenance, it is also necessary to have a deeper understanding and necessary understanding of the causes and handling of abnormal phenomena in the hydraulic system. Such as when the oil pump does not spray oil, pressure is not normal, there is noise, etc., should know what the main reasons, what is the corresponding solution. The causes and treatment of abnormal phenomena in the hydraulic system of CNC lathe processing equipment should be mainly understood from three aspects:
(1) The oil pump of CNC lathe processing equipment does not spray oil
The main reasons may be that the tank is low in liquid level, the oil pump is reversed, the speed is too low, the oil viscosity is too high, the oil temperature is low, the filter is clogged, the suction piping capacity is too large, the air inlet sucks air, shaft and rotor Damaged areas, etc., have corresponding solutions to the main causes, such as filling with oil, confirming signs, and changing over when the oil pump reverses.
(2) The pressure of CNC lathe processing equipment is not normal
That is, the pressure is too high or too low. The main reasons are various, such as improper pressure setting, poor operation of the pressure regulating valve coil, abnormal pressure gauge, and leakage of the hydraulic system. The corresponding solution is to set the pressure according to the provisions of open cleaning, change a normal pressure gauge, according to each system in turn inspection.
(3) Noisy CNC lathe processing equipment
Noise is mainly caused by oil pumps and valves. When the valve is noisy, the reason is that the flow rate exceeds the rated standard and the flow rate should be properly adjusted. When the oil pump is noisy, the reason and the corresponding solution are also many, such as the high viscosity of the oil and the low oil temperature. To raise the oil temperature; when there are air bubbles in the oil, the air in the system should be released.
All in all, we must do a good job of preventive repair and maintenance of CNC lathe processing equipment.
1. Daily inspection of CNC lathe processing equipment