Re: [CAD_CAM_EDM_DRO] Re: Retrofit bridgeport

I looked for the treadmill motor at Surplus center. Is this the one you
used?

<http://www.surpluscenter.com/item.asp?UID=2007082414415998&item=10-2326&catname=>
0.75 HP 130 VDC 5,100 RPM MOTOR
<http://www.surpluscenter.com/item.asp?UID=2007082414415998&item=10-2326&catname=>
Item# 10-2326

Where did you find encoders to use and how did you interface them with
the motors?

Jack Ensor

Leslie Newell wrote:

>I retrofitted my Boss5 a while back After a protracted and expensive
>battle trying to get the original steppers to work I bit the bullet and
>fitted DC servos. It now works brilliantly.
>
>The motors are cheap treadmill motors from www.surpluscenter.com with
>encoders fitted. They work remarkably well. I have a lathe is fitted
>with proper DC servos and to be honest I can't say they perform any
>better than the treadmill motors, apart from the fact they have more
>torque. The only disadvantage with treadmill motors is that you have to
>gear them down about 4:1 instead of the original 1:1 or 2:1.
>
>Les
>
>

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