@EdStainless - Oof.. punching coupons. is there a lot of waste? I have also been using a Mill to get what I need as well. usually when the tolerances are tight and I need to be exact.
@lucky-guesser - Ah, yeah. I believe the first shears you described are called Guillotine shears(I think)...
2) When calculating the force needed to shear, do I factor in the cross sectional area of the WHOLE sheet or just at the length of blade contact?
To clarify a little better, lets use that 3ft sheet as an example:
On a sheet of Aluminum that is 3ft in length, 3.5mm thick, and in the throat of...
I am tasked with purchasing a shearing machine that will help my lab cut coupons for tensile and quality testing but I am scared to death that I'll buy a machine that will introduce significant bending, chamfering, or twisting.
I need the coupons that I cut to be flat or as close to flat...
