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Re: Screw Driver to Drill Chuck Adaptor

2005-11-29 by Ray Dinwiddie

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]
> > >
> >
>

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