On Tue, 21 Jul 2020 at 05:52, Tom Smart <smart_tow...@hotmail.com> wrote:
> If i keep the amps at the rating of 9.1 I should keep my 31.3 IN-LBS or 2.6 > FT-LBS? > > So 2.6 / .0813 would be 81.76 lbs of linear force? > > So if my table weighs 200lbs my acceleration would be .41 G? > > I'm wondering if I've done a calculation wrong The way I think about it.[1] Imagine pushing with a force of 1 lb on the end of a 1 foot handle fastened to the end of the screw through one complete turn. That is circle of radius 1 foot and a distance of 2 x pi X 12 = 75 inches and a torque of 1 lb/ft The screw moves 0.2 in The ratio is 75" / .2" = 377:1 So 2.6 lbft on a 5tpi screw is 750lbs. I think there was a feet to inches error in the calculation above. And a shuffling of 0.0138 to 0.0813. [1] Except in metric, generally. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users