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Subject: Re: Screw Driver to Drill Chuck Adaptor

From: "Ray Dinwiddie" <crdinwiddie@...>
Date: 2005-11-29

Yes: The Jameco part no. is 26702CE.

--- In Homebrew_PCBs@yahoogroups.com, "idaho_huckleberry"
<dmiller45@j...> wrote:
>
> Is that Jameco part number 26702CE?
>
> http://www.jameco.com/Jameco/catalogs/c254/P255.pdf
>
>
> --- In Homebrew_PCBs@yahoogroups.com, "Ray Dinwiddie"
> <crdinwiddie@e...> wrote:
> >
> > Reading this series of posts begs my observations and solution
to
> > drilling small lot PCBs. I found that the runout on Dremel and
its
> > clones is too much for good carbide drill bit life. After trying
3
> > Dremels I found that all had runout of .010 to .015. Tryed
multiple
> > collets with no improvement. The problem seemed to be that when
the
> > unit is off and runout is measured it is near zero, but when
turned
> > on the run out appears. With an 8 power loupe it can be seen at
> > startup. Never took the motors apart but I suspect that one or
both
> > ends of the armature is rubber mounted as a shock absorber?.
> >
> > That being said, I found a cheap single speed drill motor at
Jameco
> > that has runout of less that .005. It is single speed (20k) and
> $30.
> > It is 1 11/16" Dia. and 4" long straight sided cylinder, greatly
> > simplifing mounting in a small drill press. Also the collect
shaft
> > is about 1 1/2" long to give good field of view at the drill
point.
> > It is imported and I suspect it has sleave bearings and thus not
a
> > very long accurate life, but I can live with that given the very
> low
> > runout.
> >
> > --- In Homebrew_PCBs@yahoogroups.com, "pinoy_nyc@y..."
> > <pinoy_nyc@y...> wrote:
> > >
> > > Hello,
> > >
> > >
> > > I just bought the $39.00 craftsman universal drill stand, so
I
> > can now start drilling PCBs.
> > http://www.sears.com/sr/javasr/product.do?
> >
>
BV_UseBVCookie=Yes&vertical=TOOL&pid=00925923000&subcat=Drill+Doctor+
> > %26+Drill+Attachments
> > >
> > > This stand has its own Drill Chuck.
> > > Then you can just mount almost any drill to drive the built
in
> > chuck.
> > >
> > > I bought this stand since I thought I can use my power
> > screwdriver to drive
> > > the built in chuck, but I found out that the nose of the
> > screwdriver is hex,
> > > which wont be able to driver the built in chuck, which has a
> round
> > connector,
> > > and assume you'll be connecting a drill chuck on top of it.
> > >
> > > is there some kind of an adaptor (from hex to round) so I
can
> > use my power screwdriver to drive the built in chuck?...
> > >
> > > I hope you understand what I'm saying.
> > >
> > > Thanks.
> > >
> > >
> > >
> > >
> > > ---------------------------------
> > > Yahoo! Music Unlimited - Access over 1 million songs. Try it
> free.
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
>