Homebrew PCBs

Dwayne,
       My Dremel passes that test. My runout shows up
above 16,000 rpms. The bits are balanced so one of my
bearings must be bad. I changed the collet and got
the same results.

                                      John 


--- In Homebrew_PCBs@y..., Dwayne Reid <dwayner@p...> wrote:
> At 09:16 AM 4/12/02 +1000, Adam Seychell wrote:
> 
> >Dwayne Reid wrote:
> >
> > > I also just stick a solid carbide shaft
> > > into the chuck and measure both play and run-out when rotating 
the shaft by
> > > hand.
> > >
> > > dwayne
> >
> >If you can see the out of roundness with your eye or feel play 
with your 
> >finders
> >then its a pretty bad drill.
> 
> Sorry - I should have said: measure both play and run-out WITH A 
DIAL 
> INDICATOR when rotating the shaft by hand.  I can measure deviation 
down to 
> about 0.0002" or so.
> 
> dwayne
> 
> 
> Dwayne Reid   <dwayner@p...>
> Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
> (780) 489-3199 voice          (780) 487-6397 fax
> 
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