Re: [CAD_CAM_EDM_DRO]spindle plans (was VFD Selection)

Les, Would it be possible to have a write-up/drawing on a site in PDF w/
availability of a full kit?
I'm primarily interested in design concept with exact specs/demensions to
follow for building one from Stock.
So far there are Several folks interested since last nights post.. :)

Vince

----- Original Message -----
From: "Leslie M. Watts" <leswatts@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, April 14, 2004 6:24 AM
Subject: RE: [CAD_CAM_EDM_DRO]spindle plans (was VFD Selection)


> Well, I will have a look at kitting up a small precision
> belt drive spindle that could be made in a home shop.
>
> It would involve really careful and precise machining to +/- 0.0001".
>
> These can be purchased ready made but can cost thousands.
>
> Shop made the cost would be about:
>
> $150 for a matched pair of 7205 ABEC-7 light preload angular contact
> bearings
> $20 for a 6204 ABEC-3 or better back deep groove bearing
> $30 for an ER collet nut
> $30 for steel, bearing nuts, etc.
>
> This would be a precision light duty spindle similar to one
> in a small vertical mill.
>
> Rpm would be good to about 8,000 - 12,000 or so.
>
>
> Isn't $230 a bit pricey for a home project though?
> I don't want to spend the time if this costs too much.
>
> I could consider lower grade bearings, but it would not be
> up to par with typical metal cutting machine tools. High grade
> bearings allow the stiffness really needed for metal cutting.
>
> Les
>
> Leslie M.Watts
> L M Watts Furniture
> Tiger Georgia USA
> (706) 212-0242
> http://www.lmwatts.com
> Engineering page:
> http://www.lmwatts.com/shop.html
> CNC surplus for sale:
> http://www.lmwatts.com/forsale.html
> CNC carved signs:
> http://www.lmwatts.com/signwp.html
>
>
>
>
> -----Original Message-----
> From: Vince Negrete [mailto:vnegrete@...]
> Sent: Wednesday, April 14, 2004 6:42 AM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO]spindle plans (was VFD Selection)
>
>
> I'd really like to see a design via Leslie Watts if he can find some time
> to do some cad work. I find it very difficult to break away from my
> projects to do something like that so I would understand if he didnt have
> time, but it sure would be great.
> I remember talking about this same subject about a year ago here and if
> I'm not mistaken it was with Les.
>
> Vince
>
>
>
>
>
>
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