FOLLOWUP on "macro system for G code"

Ignoramus21191 · 2010-07-19T23:47:57+00:00

My thoughts are solidifying a little bit regarding a "G code macrosystem". I think that I will roll my own, since I am a computerprogrammer. I started writing perl code to perform standard milling tasks. Forexample, I wrote a function to print G code that would move to a givenlocation, both for G00 as well as for G01 (trivial).Then I wrote a perl function that would print G code to drill a hole,with optional pecking (drill to pecking depth, quickly withdraw,quickly return to drilling depth, and repeat until proper depth isreached).For every standard type of task, like drill a bolt hole pattern, millout a blind hole, mill out a through hole, etc, I will write afunction to do that. I will build on functions, e.g. the bolt holefunction will use a drilling function, etc. I am sure that this will not cover "True 3D" curvy surfaces, likemilling a statue of a naked woman in 4 axis machining, like onYouTube, but it will cover most of the actual projects that I willencounter. I am attaching a function to drill a hole with pecking, and theresulting G code (all untested). Code to drill, say, three holes of depth (-1) in points (0, 0), (2,3),and (3,3) at speed 5 and pecking depth of 0.3, would look like thisperl code: g_set_clear_height( 0 );g_drill_hole( 0, 0, -1, 5, 0.3 );g_drill_hole( 2, 3, -1, 5, 0.3 );g_drill_hole( 3, 3, -1, 5, 0.3 );This is much more understandable than many other alternatives.I am sure that I do not really know how to use G codes, but I knowthat this is a good approach in general.If it works well for me, I will release it under GPL. i###################################################################### functionsub g_drill_hole { my ($x, $y, $z, $speed, $pecking_depth) = @_; die "For drilling application, you need to do g_set_clear_height first" unless defined $_clear_height; die "Drilling depth Z=$z should be LESS THAN safe height=$_clear_height." if $z > $_clear_height; Print "(Drill a hole in [$x, $y] depth of $z.)"; deeper; { Print...

Jul 19, 2010 22 Replies

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Wes 16 years ago

Back when I subscribed.

Wes

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Wes 16 years ago

formatting link

EMC has a long history. When I could get to the internet in 97 or so, it was out there.

Wes

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Ignoramus9140 16 years ago

Thi sis a very fascinating story. With this CNC conversion, I am following the footsteps of some very great, visionary people. I wrote my first GPLed program back in 1995-1996.

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