Homebrew PCBs

On Mon, 18 Apr 2005 09:53:21 -0400, Bill Blackburn  
<billblackburn@...> wrote:

>
> Hi Guys
> For the fellows who are mechanically machining their own PCB's, what is
> the choice of Spindle Motors?  How do the RotorZip units work for this
> application compared to using the Dermal units?  I was never very
> impressed with the bearings in the Dermal Grinders.  They don't seem to
> last and get loose rather quickly.  Interested in your thoughts on this
> matter.  Thanks for the help.
> Regards
> Bill


i think the greater issue with dremels are the collets. People say it's a  
gamble each time you change the tool if the runout will snap it  
immediately or after 10 seconds.

ST