Re: [CAD_CAM_EDM_DRO] Re: Is this motor workable?

FJ62 wrote:

>That makes sense, but what I want to know is if the 30/40lb-in torque is the
>required input at the leadscrew. i.e. with a 2:1 ratio do I need 15/20lb-in
>motors to get 30/40 at the screw or do I need 30/40 motors to get 60/80 at
>the screw?
>
>

40 in-Lb applied directly on a 5 TPI leadscrew will produce 1258 Lbs of
linear force on the
table. Is this enough, or do you need more? This is probably plenty of
torque
for a Bridgeport with 1 Hp spindle, unless it has a huge table.

Jon