Complete Maintenance Program For Machine Tools

The maintenance work of the lathe directly affects the quality of parts processing and the level of production efficiency. In order to maintain the degree of the lathe and extend its service life, in addition to being able to operate the lathe proficiently, the lathe should also learn to perform reasonable maintenance on the lathe. After the lathe has been running for 500 hours, the first level of maintenance must be carried out. In industrial and mining enterprises, the first-level maintenance work is carried out with the cooperation of operators as the main maintenance workers.

　　 1. Cut off the power

　　 During maintenance, the power must be cut off and then work to ensure safe operation.

　　 2. Clean up work position

　　Clean up the work area to ensure that there is a clean and sufficient space during the cleaning process

　　3. Remove and clean each cover of the machine tool

　　 Keep the inside and outside clean, free of rust and oil.

　　4. Maintenance of the knife rest and skateboard part

　　①Remove and clean the lower tool holder.

　　②Remove the small precision plate lead screw, nut, and insert for cleaning.

　　③Remove and clean the screw, nut and insert of the middle slide plate.

　　④Remove the bed saddle and clean it with dustproof oil felt, then refuel and reinstall it.

　　⑤After adding oil to the middle slide screw, nut, insert, and guide rail, reinstall and adjust the insert gap and the screw nut gap.

　　⑥After adding oil to the small sliding plate screw, nut, insert, and guide rail, reinstall and adjust the insert gap and the screw nut gap.

　　⑦ Wipe the bottom surface of the square knife holder, then apply oil, reinstall and press tightly.

　　5. Maintenance of the tailstock part of the lathe

　　①Remove the tailstock sleeve and compression block, clean and apply oil.

　　②Remove the tailstock screw and nut, clean and add oil.

　　③Clean and refuel the tailstock.

　　④Reinstall and adjust.

　　 6. Maintenance of the spindle box part of the lathe

　　①Remove the filter, clean and reinstall it.

　　②Check the spindle and check whether the nut is loose and whether the fastening screw is locked.

　　③Adjust the friction plate gap and brake.

　　7. Maintenance of the exchange gearbox part of the lathe

　　①Remove the exchange gear carrier gear, sector plate, and shaft sleeve, clean, refuel, and reinstall.

　　②Adjust the gear meshing gap.

　　③Check whether the bushing is shaken or not.

　　 8. Feed box maintenance

　　 The feed box should be cleaned, and the velvet rope should be cleaned and refueled and put in the same place. The missing should be filled. . [Metal processing WeChat, the content is good, worthy of attention]

　　 9. Cleaning of the motor

　　 Clean the main motor and the V-belt wheel of the spindle box, check and adjust the tightness of the V-belt.

　　10. Cleaning the screw

　　 Clean the long lead screw, the smooth rod and the operating rod, and wipe it with cotton yarn.

　　11. Maintenance of lubrication part

　　①Clean the cooling pump, filter, and liquid pan;

　　②Check whether the oil passage is unblocked, the oil holes, wicks, and linoleum should be clean and free of iron filings;

　　③Check the oil quality and keep it in good condition. The oil cup is complete and the oil window is bright.

　　 12. Maintenance of electrical parts

　　① Clean the motor and electrical box.

　　②The electrical equipment is fixed and tidy.

　　 13. Clean up lathe accessories

　　 Including center frame, follower tool post, exchange gear and chuck, etc.

　　14. Finishing the appearance of the lathe machine

　　①Install each cover.

　　②Check and fill the screws, handles, and handle balls.

　　 Matters needing attention in the first-level maintenance of lathes

　　 1) Make full preparations. For example, prepare disassembly and assembly tools, cleaning devices, lubricating oil, plates for placing mechanical parts, necessary spare parts, etc.

　　 2) The maintenance work should be carried out according to the maintenance steps.

　　3) There are parts that require disassembly, such as square tool holders, medium and small slide plates, tailstocks, etc., which must be removed before cleaning, reinstalling, and adjusting.

　　4) The dismantled parts should be installed in groups. For example, the screws should be put on washers and screwed on the body, and the screw should be screwed on with nuts for hanging.

　　5) Pay attention to civilized operation and organize work positions