METHOD FOR DRESSING DIAPHRAGM SPRING (VARIANTS) AND FRICTION CLUTCH WITH SUCH SPRING Russian patent published in 2003 - IPC

FIELD: methods for dressing cantilever plates of diaphragm spring and friction clutch with such spring. SUBSTANCE: method according to one variant of invention comprises steps of heating at least one cantilever plate in its predetermined zone with possibility of dressing (one relative to another) portions of plate at both sides from said zone without significant or practically without any elastic deformation. Method according to other variant of invention comprises steps of applying at least to one cantilever plate bending load; lowering stresses created by action of such load in plate due to heating its one zone. Friction clutch includes diaphragm spring dressed according to first variant of invention and it is designed for using in automobiles. EFFECT: possibility for simplifying process of dressing configuration at least of one cantilever plate. 43 cl, 7 dwg