PMI linear guide steel ball chain belt cross type SMH series

 The steel ball rolls along four rows of precision machined rolling surfaces on the guide rail and the slide block; The ball train is rotated by a return system assembled on the slider. The slider adopts retainer to keep the steel ball, so even if the guide rail is removed, the steel ball is not easy to fall off. This model of SMH adopts two guide rails in the shape of cross back combined with direct intersection to form a body.