Method for the chipless production of a rotationally symmetrical body from a circular sheet metal blank
AssigneesWinkelmann Powertrain Components GmbH & Co. KG, WF-Maschinenbau und Blechformtechnik GmbH & Co. Kommanditgesellschaft
InventorsHeiko OHLSCHER, Christian MALKEMPER, Bernd RUDERT, Karl-Heinz HECKER
Life of this patent
Estimating the term…
Abstract
A method for chipless production of a rotationally symmetrical body from a circular sheet metal blank shapes the circular sheet metal blank into a pot-shaped body by pressing or pressure rolling around an inner mandrel, and a hub-shaped projection protruding outward from the base of the pot-shaped body is molded on by pressing around a central projection. The circular sheet metal blank is clamped only in the radial inner region of the blank in the axial direction between the inner mandrel and at least one projection during the shaping process.
Claims11
A method for chipless production of a rotationally symmetrical body from a circular sheet metal blank, wherein the circular sheet metal blank is shaped into a pot-shaped body by pressing or pressure rolling around an inner mandrel and a hub-shaped projection protruding outward from the base of the pot-shaped body is molded on by pressing around a central forepiece,
- wherein
- the circular sheet metal blank is clamped in axial direction throughout the entire shaping process only in its radial inner region between the inner mandrel and at least one forepiece.
Dependencies are inferred from the claim text.