Re: [CAD_CAM_EDM_DRO] Re: Servo as a Sherline spindle motor ?

(150oz*in)*(1ft/12in)*(1lb/16oz)=150/(12*16)lb*ft=25/32lb*ft

No calculator handy but that is a lot closer to 0.8 lb*ft than to 9lb*ft.

Maybe Phil lost a decimal place using a slide rule.;)

Tom Hubin
thubin@...

**************

Dave Sage wrote:

>
>
> Correct me if I'm wrong but:
> 16 oz in a pound, 12 inches in a foot
>
> 150 oz/inches equals:
> 150/16/12 = approx 0.8 ft/lbs.
>
> Sage
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com
> <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>, "Yahoo" <yahoo@...> wrote:
> >
> > 150 OzIn peak is about 9 ft/lb so you probably could stall it if
> you had a
> > better grip. Lacking a dyno (doesn't everyone have one?) maybe a
> reasonable
> > comparison would be to wear leather gloves and stall both motors
> with your
> > hand to see how they compare. You probably want the servo to be
> stronger
> > than the stock Sherline motor anyway to get the low-end torque for
> > threading. Quite a bit stronger I should think.
> > --
> > Phil Mattison