Jig for repair and calibration of feed screws with threads with non-continual pitch

摘要

A jig (1) for repair and calibration of feed screws (6) with non-continual pitch comprises a rectangular frame with support rollers (5) for bearing the screw (6). A moveable cart (8) is situated on the frame and bears a cam follower (12) to control the cart's movements on the frame and machining tools.