Marius,
I think it depends on the job. Some jobs would be perfect for gcmc,
while others may be better suited to a CAM program. The nice thing
about gcmc is that you can write "functions" that perform common tasks,
like surfacing, grooving, drilling, etc., and then you can create a program
that calls combinations of these functions to perform more complicated
tasks.
Once I become more familiar with gcmc, I don't think I'll ever write gcode
by hand ever again.
For complex parts, I probably would use my CAM program (CamBam).
Tony
-----Original Message-----
From: Marius Liebenberg
Sent: Sunday, November 17, 2013 1:31 AM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] gcmc - v1.1.1
Thanks Tony,
I get the picture I think. As I said, being a programmer I understand
the C language. Its getting to think out of the box that is required.
Would you attempt more complex parts with this tool or just repetitive
type of jobs?
On 2013-11-16 18:33, Tony Zampini wrote:
> Maruis,
>
> My last post was altered by the forum (lines were wrapped). This
> made my example GCMC program look more complicated than it actually is.
> So here it is again without the comments:
> ____________________________________
> for( x = 0; x <= 10; x += 0.5 )
> {
> for ( y = 0; y <= 4; y += 0.5 )
> {
> drill( [x, y, -0.5], 0.1, 0.1);
> }
> }
> ____________________________________
>
> Sorry,
> Tony
>
> -----Original Message-----
> From: Tony Zampini
> Sent: Saturday, November 16, 2013 11:26 AM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] gcmc - v1.1.1
>
> Marius,
>
> You can think of GCMC as a "high level" gcode generator. It takes a lot of
> the
> drudgery out of writing gcode by hand. Here's a very
> simple example: Let's say you are making a tooling plate, and you want
> to drill a bunch of holes on a 0.5 inch grid. Let's say your grid covers
> an area of 10 inches in the X direction and 4 inches in the Y direction.
> This would result in 189 holes (21 in X, and 9 in Y). The following seven
> lines of
> GCMC code would do the job:
> _______________________________________
> for( x = 0; x <= 10; x += 0.5 ) // Step through each X from 0
> to
> 10 inches, in 0.5 inch steps
> {
> for ( y = 0; y <= 4; y += 0.5 ) // Step through each Y from 0
> to
> 4 inches, in 0.5 inch steps
> {
> drill( [x, y, -0.5], 0.1, 0.1); // Execute a drill cycle at
> coordinates (X, Y), depth= -0.5, retract = 0.1 inches, peck amount = 0.1
> inches
> }
> }
> _______________________________________
> (The text that begins with "//" are comments, and are not necessary for
> the
> program. I
> added them to explain what each statement does.)
>
> The above 7 lines of GCMC code will generate 189 lines of gcode.
>
> Once you learn the language, I think you can see that, for the example
> above, GCMC
> is definitely faster than writing the equivalent gcode by hand. And it's
> probably
> faster than setting up a CAM project in your typical CAM program.
>
> Tony
>
> -----Original Message-----
> From: Marius Liebenberg
> Sent: Saturday, November 09, 2013 12:59 AM
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] gcmc - v1.1.1
>
> Hi Toni,
> Please share with us a script of a component that you did. Also a bit of
> a description of how your approach worked and how you think about these
> jobs when you start them.
> I think most of us will be able to program but this is a new way of
> thinking and getting started is not that easy. Most of us think in Gcode
> fashion and a kickstart to think in a nother fashion is what is needed.
> Well at least for me.
>
>
>
> On 2013/11/08 10:18 PM, Tony Zampini wrote:
>> Bertho,
>>
>> Thank you for maintaining and improving GCMC. I'm finding it
>> very useful and powerful. It makes it so easy to whip up quick
>> machining operations. I can do things with GCMC that I simply
>> can't do with my CAM program(CamBam). Don't get me wrong,
>> I love CamBam, but GCMC provides a high-level way to do
>> *anything* you want.
>>
>> Again, thank you for your efforts, and for providing us with this
>> great program.
>>
>> Tony
>>
>> -----Original Message-----
>> From: Bertho Stultiens
>> Sent: Friday, November 08, 2013 10:30 AM
>> To: Enhanced Machine Controller (EMC)
>> Subject: [Emc-users] gcmc - v1.1.1
>>
>> Hi all,
>>
>> This new version allows index [] on vector- and vectorlist-variables to
>> function as you'd expect. The syntax page has updated information and an
>> example under the operator heading. This version also includes library
>> functions in the tar-ball, a beginning of a test-framework and bugfixes.
>>
>> You can get it at:
>> http://www.vagrearg.org/content/gcmc
>> See the changes as noted on the page.
>>
>>
>> If you have examples or tests you are willing to share, please let me
>> know (on- or off-list). I'd be happy to include them. More examples
>> means better understanding for all.
>>
>>
--
Regards /Groete
Marius D. Liebenberg
+27 82 698 3251
+27 12 743 6064
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