PISTON FOR A HYDRAULIC BRAKE AND METHOD FOR PRODUCTION THEREOF

The invention relates to a piston (1), for a hydraulic brake, produced in a forming process from a metal starting material, in particular, from a flat sheet with the form of a cup, open to one side with a longitudinal axis (2), a wall (3) and a base (4) and defined on an open front face by an edge w...

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Bibliographic Details
Main Authors LEIDECKER NORBERT, WUERZ MATTHIAS, LEIDECKER HANS DIETER, ZEIBIG UWE, BAUER HERWIG, MEHNER GOETZ
Format Patent
LanguageEnglish
Published 03.09.2008
Subjects
BLASTING
BRAKES
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The invention relates to a piston (1), for a hydraulic brake, produced in a forming process from a metal starting material, in particular, from a flat sheet with the form of a cup, open to one side with a longitudinal axis (2), a wall (3) and a base (4) and defined on an open front face by an edge with an axial contact surface (A) which makes contact with a brake pad. The base has an essentially planar outer surface, a wall thickness for the base (Sb) is larger than a minimal thickness (Sw) for the wall and, in a transition region between the base and the wall, a wall thickness increases steadily from the wall to the base so that the wall transforms into the base at an angle. The invention further relates to a method comprising forming of a discoid round blank in a cupped hollow cylinder and swaging the hollow cylinder along the longitudinal axis thereof such that the base material is thickened by the swaging.
Bibliography:Application Number: KR20087014669