Patent ID: 6823709
Filing Date: 2004-11-30
Classification: B21J,Y10T

Abstract:
A rivet gun system comprising:a first rivet gun comprising a rivet gun frame comprising a first end and a second end; a die coupled to said second end; a force sensor coupled to said rivet gun frame and adapted to detect a force applied to said die and adapted to generate a force signal in response to said force; a holding coil defining a channel within said rivet gun frame, said holding coil adapted to generate a first electromagnetic force along said channel, said channel having a first end defined by an end stop and a second end defined by said die; a main coil further defining said channel between said holding coil and said die, said main coil adapted to generate a second electromagnetic force along said channel; a first plunger adapted to slide through said channel; and a force sensor electronics controller adapted to receive said force signal and further adapted to activate said holding coil and said main coil in response to said force signal above a threshold.