Re: [CAD_CAM_EDM_DRO] die grinders vs dremel/rotozip .. was: Linear rail & ball screw size suggestions

Doug,

Are you using this die grinder as a general purpose spindle motor with speed
control?

Scott

----- Original Message -----
From: "Doug Fortune" <pentam@...>
To: <cad_cam_edm_dro@yahoogroups.com>
Sent: Friday, April 12, 2002 10:50 AM
Subject: [CAD_CAM_EDM_DRO] die grinders vs dremel/rotozip .. was: Linear
rail & ball screw size suggestions


> dave_ace_me wrote:
> >
> > I went to Sears.com and the part number [315.267440] didn't come up.
> >
> > Searching for 'grinder' this part did. is this the same unit ?
> >
> > 00902744000 Part number in case the link is too long.
>
http://www.sears.com/sr/product/summary/productsummary.jsp?BV_SessionID=@@@@
1572787932.1018622732@@@@&BV_EngineID=ccgjadcelimihimcehgcemgdffmdfin.0&vert
ical=SEARS&pid=00902744000&bidsite=&vertical=SEARS&com.broadvision.session.n
ew=Yes
>
> Yes thats it.
>
> Batwings wrote:
> >The one I have started making loud buzzing sounds about 10 hours into my
> >ownership. I traced this to a bad bearing mount on the working end. They
> >mount the bearing there in a rubber block. This hardens and wears or
> >deforms til there is slop at the bearing OD. The result is not
> >satisfactory. I would not reco this unit to anyone. YMMV.
>
> I think you got a bum unit. I have two and both give long service.
> Maybe you should try replacing the rubber block with a new one, or
> maybe replacing it with a metal insert.
>
> Doug Fortune
> http://www.cncKITS.com NEW-> 1KW power supply kits
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