Need Help! concerning m codes and post processor


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  1. #1
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    Default concerning m codes and post processor

    I recently purchased version 32 for my new cnc plasma cutter. after long hours and many tries I finally got it to post a program. Its a simple program to cut a round hole in a plate. The code has a lot of M codes I've never heard of before. M716, M702, M712, M703 and others. Does anyone know what these codes would be for? I haven't seen them listed anywhere. I'm wondering if I have the wrong post processor. One for some machine I don't have. I'm running Mach 4 so would need a post processor compatible with it. I am new to Mach 4 though so not sure what the machine would expect.Below is the program. I'm new to cnc plasma and Mach4 but have experience on cnc machines. Any help would be appreciated.

    ( PROGRAM NUMBER: 0100 )
    ( PROGRAM NAME: PLATE WITH HOLE.NC )
    ( POST: PLASMA )
    ( DATE: THU. 04/30/2020 ,TIME: 09:41AM )
    (MACHINE SETUP - 1-FEATURE 2 AXIS-PROFILE ROUGH)

    N10 G94 G90 G80 G70 G17
    N20 G00 G90 G54 X2.0775 Y0.

    N30 P0 ( POWER SETTING )
    N40 F0 ( PULSE FREQUENCY )

    N50 M703
    N60 M711
    N70 M716


    N80 ( MSG,PIERCE 1

    N90 M716
    N100 M712
    N110 M710
    N120 M702
    N130 P0.
    N140 F8.

    N150 G02 X-2.054 Y-.3113 I-2.0775 J0. F10.

    N160 ( MSG,PIERCE 1

    N170 M716
    N180 M712
    N190 M710
    N200 M702
    N210 P0.

    N220 X-2.054 Y.3113 I2.054 J.3113

    N230 ( MSG,PIERCE 1

    N240 M716
    N250 M712
    N260 M710
    N270 M702
    N280 P0.
    N290 F8.

    N300 X2.0775 Y0. I2.054 J-.3113 F10.

    N310 M703
    N320 M711
    N330 M716


    N340 M703
    N350 M711
    N360 M716

    N370 M30

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  2. #2
    Ghost BurrMan's Avatar
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    Default Re: concerning m codes and post processor

    Hey Starving,
    The post processor assigned to the default plasma machine in BobCad V32 is here:

    C:\BobCAD-CAM Data\BobCAD-CAM V32\Posts\Mill\BC_Plasma.BCPst

    You can open that post processor and find the lines that ref those M Codes, which can be more descriptive about what they are... Like outputs for Multi Axis and such.... (Open the post processor with Notepad)

    Getting a post customized to your machine may need some help. You'll first need to know what you are expecting to see... (Your machines controller, etc)

    May be good to get help from BobCad on this...



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    Default Re: concerning m codes and post processor

    Thank you, I looked there and looks like the codes are for turning the torch on and off as I suspected.



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    Default Re: concerning m codes and post processor

    Hi guys Im BRAND NEW to this forum, not even sure how to post to the group. Totally clueless, but I'm looking for post processor for Bobcad v27, which is no longer supported by Bobcad. This renders my setup completely useless unless I pay almost 600 USD for v32 upgrade, which I can't now. Any idea where to find?



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    Member The Engine Guy's Avatar
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    Default Re: concerning m codes and post processor

    You will need to post information regarding your machine and controller as to what you would need.

    Do you not have the Post Library on your PC anymore ???



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