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Spot-joining - new technologies in the field of joining by forming

: Neugebauer, Reimund; Mauermann, R.; Dietrich, S.

Journal of Japan Society for Technology of Plasticity = Sosei-to-kak¯o 44 (2003), No.507, pp.52-53 (370-371)
ISSN: 0038-1586
Journal Article
Fraunhofer IWU ()
assembly; finite element method (FEM); joining by forming; selfpierce-riveting; clinching; rivet clinching; dieless rivet clinching; flat counter tool; hydroforming; hydrojoining; aluminum; joining method; dieless; anvil; Clinchen; Nietclinchen; matrizenlos Nietclinchen; Stanznieten; Fügen; Hydrofügen; Fügeverfahren; Aluminium; Hydroumformung; Finite-Elemente-Methode (FEM); Matrize; Amboss; matrizenlos

The object of this paper are new developments in the field of joining by forming. The integration of spot-joining by forming operations into hydroforming processes and a new method of spot-joining by forming are introduced. Contrary to state-of-the-art technology in both of the introduced technologies no die with a cavity is used and therefore a high concentricity tolerance between punch and die is obtained.