Re: oz*in NOT oz/in

Hi Doug,

I'm on real shakey ground here so I am only going by what seems to
make sense to me.

If one has a block of some weight with a thread in it and a threaded
rod is in that hole. a certain amount of rotational force (foot
pounds) will be needed to lift that weight with that TPI thread.

a finer thread would need less torque.

at least that is how it appears to me.

now, the fact that stepper output force is not linear over the speed
range, now that is something else.

Dave

--- In CAD_CAM_EDM_DRO@y..., Doug Fortune <pentam@c...> wrote:
>
> Those of you who are trying to work out
> torque vs table push (using units analysis)
> will never get it to work out because:
>
> torque is measured in 'force*lever arm'
> in other words, oz*in lb*feet N*m
>
> etc, NOT oz/in , lb/ft etc.
>
> (Yes I know oz & lb are not exactly units
> of force, we should be using Slugs but I'm
> afraid that will lead to even More Confusion!).
>
> Doug Fortune
> http://www.cncKITS.com NEW -> 1 KW power supply kits
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