Maintenance

Servicing a ballscrew generally means cleaning and re-lubrication. When lubricating with oil, verify that the oil supply is clear an that the covers are tight. In the case of grease lubrication, the ballscrew should be cleaned carefully wiping away all used grease, dust and dirt by means of a clean, dry cloth. If possible, move the nut several times over the full travel to ensure that as much old grease as possible comes out of the nut. Do not use any detergents or other cleaning fluids, such as trichlorethylene, alcohol or acetone.

If it is necessary to wash the ballscrew, do not remove the nut. Only wash benzine may be used for cleaning, and the ballscrew must be dried with compressed air carefully afterwards. Move the nut several times and blow all remaining liquid away. After cleaning, apply a thin layer of fresh grease over the entire surface of the screw. If available, refill the nut through the lub hole with approx. 0.5 to 2 ccm of grease. Do not overfill, as this may cause overheating of the grease. After re-lubrication, the screw should be operated at low speeds and low loads first to ensure that all contact surfaces of nut, balls and screw are covered with a grease film.