Publish Time: 2023-04-24 Origin: Site
Ball screw drive is widely used in CNC lathes due to its advantages of high transmission efficiency, high transmission precision, stable movement, long life and pre-tightening and anti-backlash. So, how to do a good job in the maintenance of CNC lathe ball screw nuts in daily life?
① Regularly check the axial clearance of the ball screw nut
Under normal circumstances, the automatic compensation of the control system can be used to eliminate the gap. When the gap is too large, it can be ensured by adjusting the ball screw nut. Most of the ball screw nuts of CNC lathes are constructed with double nuts, and the gap can be eliminated by pre-tightening the double nuts.
② Regularly check the protective cover of the ball screw
Prevent dust and abrasive particles from sticking to the surface of the screw rod, which will affect the service life and accuracy of the screw rod. If the protective cover of the screw rod is found to be damaged, it should be repaired and replaced in time.
③ Regularly check the lubrication of ball screw nuts
Ball screw nut lubricants can be divided into two types: grease and oil. The lubricating grease is replaced every six months, the old lubricating grease on the screw rod is cleaned, and new lubricating grease is applied. The ball screw with lubricating oil can be refueled once before each machine tool works.
④ Regularly check the support bearing
Regularly check whether the connection between the screw support bearing and the CNC lathe is loose, and whether the support bearing is damaged. If there is any damage, fasten the loose part in time and replace the support bearing.