after a period of use, some problems will inevitably occur.when there is an abnormality, we should first check the machine tool protective cover, find out the applause, do a full investigation on the fault site, work register and buffer work register related content, understａnd the content of the program section being executed and self-diagnosis and alarm content.in the analysis, the technical files and various data of the machine tool protective cover should be used to find out the various causes of the failure.
in order to reduce the occurrence of failure we should check the machine tool protective cover every day.such as guide rail surface, air pressure, hydraulic system, lubricating oil box, unit of a variety of protective nets and cleaning a variety of filter nets;
irregular maintenance work: such as the inspection and compression or relaxation of guide rail inserts, the cleaning of the liquid level of the water tank and the filter of the cooling machine protection cover, whether the chip conveyor is smooth, the tension adjustment of the spindle drive belt, etc.