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Subject: Re: Enco mill table for pcb driller

From: "derekhawkins" <derekhawkins@...>
Date: 2005-06-14

> DETAILS. DETAILS!

Some photos of the CNC setup are here;

http://www.pbase.com/eldata/cnc

> I'll buy one for manually drilling my pcbs.

Some photos of that particular $70.00 Enco table used for manual
drilling are here;

http://www.pbase.com/eldata/drill

--- In Homebrew_PCBs@yahoogroups.com, "mycroft2152"
<mycroft2152@y...> wrote:
> Derek,
>
> DETAILS. DETAILS!
>
> I was told by this learned group that this was impossible to do.
You
> proved them wrong. $70 for the mill table with a 12" x 5" work
area
> is great.
>
> I'll buy one for manually drilling my pcbs.
>
> Myc
>
>
>
> --- In Homebrew_PCBs@yahoogroups.com, "derekhawkins"
> <derekhawkins@y...> wrote:
> > I bought a milling table from Enco (US) and modified it for
> minimal
> > backlash and CNC on X and Y axis. Modified the drill press for
CNC
> on
> > the Z axis. Using DC geardhead motors retrofitted with encoders,
a
> > servo setup....TurboCNC is the software. Yes, there are photos.
> >
> > --- In Homebrew_PCBs@yahoogroups.com, Mycroft2152
> <mycroft2152@y...>
> > wrote:
> > > HI Derek,
> > >
> > > what design for the driller did you use? Any photos?
> > >
> > > I am told that some laser printers will shrink the
> > > design slightly in one direction. Haven't had that
> > > problem yet, still designing my machine.
> > >
> > > Myc
> > >
> > > --- derekhawkins <derekhawkins@y...> wrote:
> > >
> > > > Hi,
> > > >
> > > > Just finished putting together a CNC drilling
> > > > machine and have now
> > > > stumbled on a problem that I never
> > > > anticipated....The drilling machine
> > > > appears to be more accurate than the printer used
> > > > for the PCB
> > > > artwork....Tried both a HP2420 (laser) and Epson
> > > > 2200 (Inkjet) and the
> > > > results were similar. Is this a known issue with CNC
> > > > setups?
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
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