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Posted by Gordon McComb on December 7, 2007, 9:25 pm
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eljainc wrote:
> We are looking for sources where one can purchase NEMA size 17 stepper
> motors. The motors should be bipolar, however we are open to the
> possibility of using unipolar motors. We are looking to spend $25-50
> max per motor. We are also looking for motors that are high torque,
> in the order of 100 oz-in miminum holding torque, but closer to 150oz-
> in would be better.
>
> Can someone point me to a manufacturer, distributor or surplus outlet
> for these?
C & H Sales, Herbach and Rademan, Burden's Surplus Center, Mpja.com, All
Electronics.
These are surplus mail order outfits and generally have the smaller size
17 steppers, and for much less than your budget. These would be either
bipolar or unipolar, and the unipolars you can drive in bipolar mode.
For the torque look at the drive voltage and current.
-- Gordon
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> motors. The motors should be bipolar, however we are open to the
> possibility of using unipolar motors. We are looking to spend $25-50
> max per motor. We are also looking for motors that are high torque,
> in the order of 100 oz-in miminum holding torque, but closer to 150oz-
> in would be better.
>
> Can someone point me to a manufacturer, distributor or surplus outlet
> for these?