Study of New Joining Technique: Flat Clinching


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In this paper a development of clinching, called flat clinching, is presented. After a press clinching process, the joined sheets have been deformed by a punch with a lower diameter against a flat die. In this way a new configuration is created with a geometry that has no discontinuity on the external surface (bottom). A new procedure has also been tested: the second step is perfomed by pressing the joint between two flat dies. This second case has revealed itself to be very effective.Tensile tests have been done to compare the joints strength among the various joining techniques. Moreover some joints have been cut to analyse the changing of the contact line shape and how its characteristics parameters can influence the bonding performances. To optimise the process a finite element analysis has been performed.



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Edited by:

F. Micari, M. Geiger, J. Duflou, B. Shirvani, R. Clarke, R. Di Lorenzo and L. Fratini






C. Borsellino et al., "Study of New Joining Technique: Flat Clinching", Key Engineering Materials, Vol. 344, pp. 685-692, 2007

Online since:

July 2007




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