Patent ID: 6405420
Filing Date: 2002-06-18
Classification: B21J,Y10T

Abstract:
A tool for setting a self-piercing solid rivet penetrating into a first and a second sheet of metal to be joined, comprising:a hold-down for prestressing said first and said second sheet; a cylinder defining an interior space within said hold-down; a riveting punch guided by said cylinder, moveable by a first riveting force in an axial direction relative to said cylinder; and a die opposite said hold-down having an end face, said end face having an annular prominence facing said riveting punch and a radially outside section concentrically surrounding said annular prominence, wherein said annular prominence and said radially outside section of said end face form a punch element, said radially outside section being displaceable in said axial direction under a second riveting force, wherein said second riveting force is a function of a penetration depth of said self-piercing solid rivet into said first and said second sheet.