(1) do not alter the machine or appliance without authorization, otherwise it may cause malfunction or damage. (2) please close the total power supply first. Professional electricians are required to conduct live detection. (3) check whether the emergency stop button is normal regularly. (4) maintenance and replacement parts comply with specifications of technical documents. (5) regularly clean the heat dissipation and ventilation system of the numerical control device. The cooling fans should be checked regularly. It should be checked every six months or quarterly according to the environmental condition of the workshop. (6) constantly monitor the grid voltage of the CNC system. (7) prevent dust from entering the numerical control device. (8) the maintenance of the CNC system for a long time. First of all, it should be noted that CNC machine tools are not suitable for long-term storage. The machine tool purchased should be put into production as soon as possible. Too long idle CNC machine will cause the electronic components to be dampened, and speed up their technical performance degradation or damage. Therefore, when the machining center is idle for a long time, it should also maintain the CNC system regularly.
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