Thank You for responding I have since found out that I can expect approx. 70000 cycles depending on lubrication methods. thanks again for the responses.
I am looking for imformation on recomended pierce punch (non-shear)life before sharpening. Punch is approx. .500" X .125" through .125" aluminum heat treated to 47. I recomended a study to figure this out and was told someone should know.But of course no one there did.[noevil]
