Workpiece radial support device - uses three support rollers adjustable on support surface and twin armed levers are incorporated

摘要

A device is used for the radial support of a workpiece with a round supportable surface circulating around a rotary axis. There are three support rollers adjustable on the supportable surface. In this arrangement, the support rollers are located rotatably around axes parallel to the rotary axis which, through 120 deg., are displaced around the support surface in bearing parts adjustable counter to the rotary axis. The bearing parts (10, 11) of two rollers (4, 5) are formed as two armed levers, which are inclinable located around tipped axes (12, 13) parallel to the rotary axis (2) and with their free lever arms, by means of a radial adjustment movement of the bearing part (15) of the third roller (6) to the rotary axis, are commonly adjustable, in the direction of the pressure of their rollers on the support surface (3).