Guide for displaceable units on round bar for machine tool - is formed as roller shoe with housing around which round bar encloses

摘要

The device has a housing (2) with a laterally open recess receiving the round bar (7) and the housing is provided with bearer and guide rollers (3-5) located on the round bar (7). two of the bearer and guide rollers (3,4) are located on one side of the central verticals (16) through the round bar and a further support and guide roller (5) locates on the other side of the housing (2). On the housing beneath the central plane of the round bar is a single securing roller (6). The bearer and guide rollers are arranged an angle of 15 to 30 deg. to the central verticals (16) tipped towards the housing. Two of the bearer and guide rollers (3,4) are arranged one behind the other in the direction of the axis (15) of the round bar. ADVANTAGE - Improved reliability.