(2) Daily inspection of sealing and lubrication of ball screw nut pair
The daily inspection of the sealing and lubrication of the ball screw nut pair is a problem we should pay attention to during operation. For the sealing of the screw nut, it is necessary to check the sealing ring and the protective cover to prevent dust and impurities from entering the ball screw nut pair. For the lubrication of the screw nut, if grease is used, it should be lubricated regularly; if lubricating oil is used, it should be noted that oil is often injected through the oil hole.
3. Maintenance and maintenance of machine guides
The maintenance and maintenance of the machine guide rail is mainly the lubrication of the guide rail and the protection of the guide rail.
(1), lubrication of the guide rail
The purpose of rail lubrication is to reduce frictional resistance and frictional wear to avoid creeping at low speeds and lowering the temperature rise at high temperatures. Therefore, the lubrication of the guide rail is very important. Lubricating oil is used for the sliding guide rails, and lubricating oil or grease is available for the rolling guide. The grades of lubricants commonly used in CNC machine tools are: L-AN10, 15, 32, 42, 68. The oil lubrication of the guide rail is generally automatic lubrication. We should pay attention to check the diverter valve in the automatic lubrication system during operation. If it fails, the guide rail will not be automatically lubricated. In addition, it must be done every day
Check the oil volume of the guide oil tank. If the oil quantity is not enough, you should add the oil in time. At the same time, pay attention to check whether the oil pump can start and stop regularly, and pay attention to check whether the lubricating oil can be supplied at the time of starting.
(2), the protection of the guide rail
In operation and use, care should be taken to prevent chips, abrasive particles or cutting fluid from scattering on the rail surface, otherwise the rail wear will be aggravated, scratched and rusted. To this end, pay attention to the daily inspection of the rail guard to ensure the protection of the rail.
4. Maintenance and maintenance of the rotary table
The circumferential feed motion of CNC machine tools is generally realized by the rotary table. For the machining center, the rotary table has become an indispensable component. Therefore, in operation and use, we must pay attention to the correct operation according to the requirements and operating procedures of the rotary table. Pay special attention to the lubrication of the rotary table drive mechanism and the guide rail.
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