Equipment failure is often encountered in the process of use, It doesn't matter if it happens. The importance is how to find the cause of the failure.Today JMD Machinery share diagnosis method of Feed motion system in windows & Doors processing equipment with you. The fault of the feeding motion system (ball screw pair) of window and door processing equipment usually consists of poor lubrication and noise of ball screw pair. Check whether the oil separator or oil pipe is blocked and ba......