Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Dave Hylands" <dhylands@b...> 
wrote:
> Ahhh. I had already seen the T-Tech one so I wasn't searching on it
> again.
> 
> I'm not actually interested in buying it, but I amd collecting 
pictures
> of CNC PCB machines, hopefully to give me ideas for the day that I 
build
> one.
> 
> I think that the irregularity in the round pad is due to incorrect
> backlash compensation or something similar. Circles seem to make 
this
> really show up.




I agree.  it could be a lose bit, the router is loose or software and 
possibly hardware.

The second unit has a list price of over $6,000 but I would expect a 
sale price MUCH lower.

The unit without software and without drivers and without a spindle 
seems to be asking a bit much.

Dave



> 
> Thanks
> 
> --
> Dave Hylands
> Vancouver, BC, Canada
> http://www.DaveHylands.com/
> 
> > -----Original Message-----
> > From: Dave Mucha [mailto:dave_mucha@y...] 
> > Sent: Friday, May 07, 2004 9:02 AM
> > To: Homebrew_PCBs@yahoogroups.com
> > Subject: [Homebrew_PCBs] Re: t-tech and Precise Cut on E-Bay
> > 
> > 
> > --- In Homebrew_PCBs@yahoogroups.com, "Dave Hylands" 
<dhylands@b...> 
> > wrote:
> > > Hi Dave,
> > > 
> > > Do you have an item number or anything. I searched on 'Precise 
Cut'
> > and
> > > several other combinations but nothing came up.
> > > 
> > > --
> > > Dave Hylands
> > 
> > 
> > sure,  I searched on t-tech and they both came up, but here are 
some 
> > observations from me.
> > 
> > 
> > 
> > T-Tech unit looks complete, all the parts are included.
> > and it includes the software with the system. 
http://tinyurl.com/3yzk3
> > 
> > 
> > The other is a PreciseCut unit.
> > This is the base only, does not include the drivers or 
> > cutting head. this one says you need to get your own 
> > software. http://tinyurl.com/2evm8
> > 
> > Also, notice the 'round' pad at the top of the picture, it has a 
> > definate bump in it.  Not enough to be a problem, but shows 
something 
> > is odd.  it might be in software as the smaller pads don't show 
the 
> > same thing to the same degree.
> > 
> > 
> > 
> > Dave