Straight groove producing device for steel workpiece has shaping tool in form of several roll bodies one behind other

摘要

The groove producing device (1) makes a straight-line groove (7) in a metal workpiece (5), a shaping tool (2) and a counter-holder (6). The shaping tool is in the form of several roll bodies (3a) one behind the other forming a rolling bearing (3) acting as a linear guide. each roll body digs deeper into the workpiece than the preceding one.