Re: CNC isolation routing

jeff.birt
 

I have sold a lot of G540s to folks who bought the 3020/3040 machines for the reasons Bruce mentions. I have yet to hear from someone that has gotten one that works fine out of the box.

 

Jeff Birt

Soigeneris.com

 

From: pcb-gcode@... [mailto:pcb-gcode@...]
Sent: Monday, July 06, 2015 8:41 AM
To: pcb-gcode@...
Subject: Re: [pcb-gcode] CNC isolation routing

 

 

I agree with Art on the calibration but what caught my eye was your machine, a CNC 3040.
I have a CNC 3020 and had similar problem your experiencing now and I had to do 2 things to cure it.
I used the auto leveling from the UK and that worked ok but to many steps to get to the engraving so
what i eventually did was mill the surface of the table using a 3/16" n-mill and yes it took a while to
complete but the results were excellent. The other thing I found along with others is that the controller
for that 3040 is total garbage. Missing steps can create an even worse leveling and auto level won't
help. What i eventually did was scrap the Chinese controller and put in a Gecko G540. It all works
perfectly now. Check out www.CNCzone.com/forums/ woodworking machines area and then Chinese machines
for issues.
--------------------------------------------
On Sun, 7/5/15, Art Eckstein art.eckstein@... [pcb-gcode] wrote:

Subject: Re: [pcb-gcode] CNC isolation routing
To: pcb-gcode@...
Date: Sunday, July 5, 2015, 7:04 AM

Hi,

Sounds like you need to "calibrate" your
engraver.
I would suggest you read the following site by Poul-Henning
Kamp :

By calibrating you engraver and then putting the proper
values in to the
setup ulp, you will be able to achieve proper isolation and
maintain track width.
Regards

Art
Country Bubba

At 09:45 AM 7/5/2015, you wrote:
>Hi all,
>
>I have a CNC 3040 and 15 degree 0.1mm engraver. I want
to isolation route
>a pcb but the problem is that the copper is too thick.
It's more than
>0.1mm thick and if I set a lower depth for the engraver,
the traces will
>be too thin. Is there anything that can be done about
that? I have
>discarded many boards because of this reason. Does
anyone have a similar
>problem?
>
>
>Thanks in advance,
>
>Alex













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