Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, JanRwl@A... wrote:
> In a message dated 11/30/2003 9:13:18 PM Central Standard Time, 
> adam_j_bradley@y... writes:
> Any other issues that could be causing this?  I suppose the key is
super 
> sharp bits.  PS: I'm using a 20k RPM 'dremel' like tool and non-tc
drill bits 
> (yet).  Have yet to find a source for them in Australia.
> Adam:  I don't know if the "Dremel" you have is ACTUALLY a Dremel, 

Try to separate your reply. It hurt my eyes to look for where the
quoted left off and yours started. :'/

> Also, I drill FIRST (I built my own computer-controlled X-Y
PCB-drill rig â€" I 
> am still TRYING to figure out how to upload a photo of it in PHOTOS
section 
> of this group 

Sigh... you've had it uploaded forever! I moved it and resized to a
more reasonable size. If you upload to Photos, all anyone will see is
a tiny 300x400.

It's here:
<http://groups.yahoo.com/group/Homebrew_PCBs/files/Homemade%20PCB%20equipme=
nt/>

> drilled "after etch", when I didn't have this rig built, but I
ALWAYS used 
> super-sharp (i.e., "fresh") drill-bits, never DULL ones.  HSS bits
will go dull in 
> glass-epoxy after two or three holes!  ONLY carbide will work for
hundreds of 
> holes, and THEN, only in proper equipment, NEVER in a "sloppy" Dremel!  

I concur. Sharp, sharp, sharp. I have a drill bit resharpener for my
regular bits, but I don't think it'd last long on carbide.

Doesn't Think and Tinker offer resharpening?

Steve