skermaskiner or maskinaxar with the upper and lower blades for a skerning or shearing of arkliknande workpiece as platar

摘要

A shearing machine is disclosed comprising a detector for detecting the thickness of a workpiece placed on a work table, a clearance adjusting mechanism for moving at least one of the upper and lower blades towards and away from the other to adjust the clearance therebetween, a shear angle adjusting mechanism for adjusting the inclination of the blades with respect to each other, and a controlling system for controlling the adjustment of both of the adjusting mechanisms according to the thickness of the workpiece detected by the detecting means.