Re: [CAD_CAM_EDM_DRO] goodies for sale NOT!!

I have a few of those I think. Mine have a solid metal bar with groves cut in it. looks like a stepper rotor made flat. Problem is they are only 11" long and I don't know what resolution they would give. They came out of Canon typwriters so maybe they won't be useful.
Robert

CAD_CAM_EDM_DRO@yahoogroups.com wrote:

>
>  As to those linear servos I was offering.[H is a magnetic force/at
> distance symbol]
>
>   Turns out these motors are linear steppers! The guys at Applied
> Motion Products nailed it when I referred to them as 'Sawyer
> Principle" motors.
>   The told me bi-polar chopper drives will do the trick.
> I will try a gecko first. If not enough current then I will be looking
> for some 10-15 amp capable half step drivers.
>   I will post some test results in a few days.
>  
>    thanks for alll the help
>
>   Carl

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