Belt running disk, as a running disk or friction wheel from metal sheet, has a knurl formed on part of its surface by embossing or rolling before or after the first disk shaping stage

摘要

To shape a knurl (2) in a geometric or other shape on the surface of part of a metal disk, as a running disk or friction wheel shaped from a metal sheet, it is developed before or after the first disk deep drawing stage at the sheet disk (1) by embossing or rolling. A center opening (3) for a mounting is formed later.