гарч бентонит тээрэм машин. bal тээрэм машин. What Is Cnc Machine Cnc Machine Cnc Machine Wiki. The ball screw lubricated with lubricating oil should be refueled once a day before the machine tool works 4 Take care to prevent hard dust or chips from entering the lead screw guard and hitting the guard during work If the guard is damaged it should be replaced in ...