Re: [CAD_CAM_EDM_DRO] Re: formula ?

At 08:13 PM 4/14/02 -0000, you wrote:

>is the TPI of the thread on the driven leadscrew one of the factors
>in the calcualtion ?

Here's a formula from Techno-Isel:

M = Fp/1800pi

where M is torque, Nm
F is output load, N
p is pitch, mm

Formula assumes 90% efficiency, or the constant would be 2000. Makes sense
that pitch is a necessary, it's what determines amount traveled per rev.

Regards, Hoyt

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