Thanks for all the great replies but these are all bridges that have already been crossed. I'm looking for information on the fluid dynamics (for lack of a better term) of the metal being pressed. What effect does changing the speed, or tool shape have on the process?
We have a process where we are staking a rivet into a piece of thin sheet metal with an Air-Mite pneumatic press. We have done this successfully for years, but recently we have starting seeing issues where the diameter of the pin expands and deforms the sheet metal beyond the acceptable...