Laminated tool for use as grinding star, has bolt shaped element comprising higher surface hardness than laminated plates, and projected at contour of stack as wear protection element

摘要

The tool (1) has laminated plates comprising common surface normal and assembled with a stack (5). A bolt shaped element (8) is arranged with in the stack and extends normal to the laminated plates. The bolt shaped element comprises a higher surface hardness than the laminated plates, and projected at a contour of the stack as a wear protection element. The bolt-shaped element is made of hard metal and the laminated plates are connected with each other by a rivet connection or welded together.