Sheet Metal · 2022年4月29日

What are the maintenance and maintenance knowledge of CNC machine tools

High-precision CNC lathe operators strictly abide by operating procedures and daily protection systems. CNC lathe operators must strictly abide by operating procedures and daily protection systems. The technical and professional quality of operators is an important factor affecting the frequency of failures. When the CNC lathe is faulty, the operator should pay attention to the preservation of the site, and clarify the situation before and after the fault to the repairer in order to facilitate the analysis and diagnosis of the cause of the fault, and remove it in time.

High-precision CNC lathe is a high-precision, high-efficiency automatic machine tool. High-precision CNC lathes have a wide range of machining performance, and can process straight cylinders, oblique cylinders, arcs and various threads. It has various compensation functions of linear interpolation and circular interpolation, and has played a good economic effect in the mass production of complex parts.

When the spare printed circuit board is not used for a long time, it should be stored in the CNC system and run for a period of time to prevent damage.
Regularly adjust the tightness of the spindle drive belt of the CNC lathe to avoid loss of rotation due to belt slippage; check the smooth constant temperature oil tank of the spindle, adjust the temperature scale, replenish the oil in time, and clean the filter; tool clamping equipment in the spindle of the CNC lathe After long-term use, a gap will occur, which will affect the clamping of the tool, and the displacement of the piston of the hydraulic cylinder must be adjusted in time. Regularly check and adjust the axial clearance of the screw thread pair of the CNC lathe to ensure the reverse transmission accuracy and axial rigidity; regularly check whether the connection between the screw and the bed of the CNC lathe is loose; the screw protection equipment should be replaced in time if it is damaged. To prevent dust or chips from entering.

Prevent dust and dirt from entering the CNC lathe. There will be oil mist, dust and even metal powder in the air in the CNC lathe processing workshop. Once they fall on the circuit board or electronic equipment in the CNC system, it will simply cause the insulation resistance between the components to decrease. , And even cause damage to the components and circuit boards, you should check whether each cooling fan on the CNC cabinet is working properly. Check whether the air duct filter is clogged every six months or every quarter. If too much dust accumulates on the filter and not cleaned up in time, the temperature in the CNC cabinet will be too high.
Generally, the CMOSRAM storage device is equipped with a rechargeable battery protection circuit in the CNC system to ensure that the content of the memory can be maintained during the period when the system is not powered. Under normal circumstances, even if there is no failure, it should be replaced once a year to ensure the normal operation of the system. The battery replacement should be carried out under the power supply state of the numerical control system to prevent the information in the RAM from being lost during the replacement.

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