Re: Comments on idea for high speed spindle for Bridgeport

Makes sense John. I was thinking of regulating the speed with a HF
router speed control. Are they any good? How do you figure "feeds
and speeds" on miniature bits?

Thanks,
Jeff

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "stevenson_engineers"
<john@s...> wrote:

> >--- In CAD_CAM_EDM_DRO@yahoogroups.com, "washcomp" <jeff@w...>

wrote:

> >I'm
> > a little concerned that I will not be able to accuately line up

the

> > router on the X axis with the BP spindle as the initial position

of

> > the spindle when I insert it is kinda arbitrary. Regards,
> > Jeff
>
> Doesn't matter.
> I bolt a 400 Hz 24,000 rev 1/4 Hp motor onto the side of my CNC

mill

> head for engraving.
> The new spindle is about 4" off centre. All that matters is that

you

> use the new spindle as your zero.
>
> John S.