Method for manufacturing a disk spring, disk spring and friction clutch with such a disk spring

摘要

Friction clutch (1) with at least one energy accumulator held between a housing (4) and a pressure plate (5) and loading the pressure plate in the closing direction of the clutch comprises at least one component made of an iron casting and having at least one functional surface that is at least thermally hardened. Preferred Features: The component is made of lamellar graphite cast iron. The cast material comprises alloying additives.