RE: [CAD_CAM_EDM_DRO] Re: water jet cam

Hi Les,

Thanks for the info. I have a little project that requires MACH2/3 to
engrave a serial # onto a PCB board. The system will work as follows:

MACH moves table to the first circuit board on a panel and asserts an output
and then waits for one of a couple of inputs. The output triggers the
programmer to program the PIC micro-controller.

If programming was successful, the OK line is asserted and MACH moves the Z
axis down and up to have a rod push the button on the board for testing. It
then again waits for the OK line or NOTOK line.

When OK happens it calls a subroutine file that has been created by the
programmer code. This is a concatenation of G-Code files each containing
one letter or number. (0..9, A..F). The programmer just creates the serial
# file which is read in by MACH which knows where on the board to engrave
the serial #s.

Now for everything except the engraving I could have written a simple
program to just do the positioning and programming. MACH is kind of
overkill for this application. But engraving letters by sending G-Codes
seemed to be the easy way.

So my question is, can SheetCAM create letters from a DXF file where the
tool is an engraving bit and the tool path is the centre of the letter. I
need speed here. I currently use a hand held vibratory engraver and can
whip out 12 sets of two digit serial #s very quickly and the numbers are
quite legible. I don't want the G-Code to follow the outline of a letter.

Does this make sense?

John Dammeyer



Wireless CAN with the CANRF module now available.
http://www.autoartisans.com/products
Automation Artisans Inc.
Ph. 1 250 544 4950

> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of Les Newell
> Sent: Friday, September 01, 2006 8:34 AM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Re: water jet cam
>
>
> Hi John,
>
> SheetCam is a CAM package so it takes your drawing, works out the
> toolpaths, cut order etc then generates G-code for Mach to cut.
>
> For instance say you draw a 1" square. You could load that
> drawing into
> Mach and cut it but Mach would follow the lines exactly so the part
> would come out undersized by the cutter diameter. SheetCam
> knows about
> this so it would increase the size of the square to allow for
> the cutter
> diameter. Your part would now come out exactly to size.
>
> Les
>
>
> John Dammeyer wrote:
> > I See from the web site that the registration tab can
> include MACH2. So why
> > would someone need sheetcam if they have MACH2/3?
> >
> > John Dammeyer
> >
> >> Subject: Re: [CAD_CAM_EDM_DRO] Re: water jet cam
> >>
> >>
> >> SheetCam <www.sheetcam.com> can do this at a much lower
> price. I can
> >> write a post processor for you that will slow down to a preset
> >> percentage of the normal feed rate on arcs. The post could even be
> >> configured to slow down more for tighter arcs.
> >>
> >> Les
> >>
>
>
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