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  1. #1
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    Default free cnc simulator

    hello;
    i nowdays try to learn Gcode for milling machines but i need asimulator that help me to visualize my programs.and check for errors.

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    Community Moderator Al_The_Man's Avatar
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    MicroTech CNC simulator free! http://www.cncsimulator.com/download.shtml
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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    Default MicroTech CncSimulator

    http://www.cncsimulator.com/MicroTech CncSimulator
    I’m new to cnc and haven’t built my mill yet, but have used this to start to lean some basic gcoad. It is free but you have to go back to the web site every couple of moths to get a code to keep it working. If any body else knows a better simulator or had bad experaceis with MicroTech CncSimulator I’d like to know.
    Hope that helps jm



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    I’m to slow at typing !!



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    that looks good.

    actually looking forward to work in the morning.



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    ahmed -- you are from Egypt - Cairo ? so ( i need asimulator that help me to visualize my programs.and check for errors ) I am



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    CNC Simulator works great for me except for G81 drilling.
    Apparently, the interpreter needs updating, it's old.

    This code will not simulate
    G81 X-7.639681 Y-22.85559 Z-4

    This code will simulate.
    G01 X-7.639681 Y-22.85559
    G81 Z-4

    Found this post on the cnc simulator forum, posted by the ADMIN.

    I think the CncSimulator’s interpreter needs G81 on every single block to perform a drill hole.
    The CncSimulators interpreter is kind of old and basic.
    I hope we can supply our users with an updated version of the interpreter soon.




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    Quote Originally Posted by ahmedsamy_81 View Post
    hello;
    i nowdays try to learn Gcode for milling machines but i need asimulator that help me to visualize my programs.and check for errors.
    Have you seen NC PLOT V1.1? It is Free. NC Plot V2.1 is $300.00 but it will show you 3 and 4 Axis Mills, Lathes plus use run Sub Programs.

    You can check it out at www.ncplot.com

    Cheers!!!!

    Toby D.
    "Imagination and Memory are but one thing, but for divers considerations have divers names"
    Schwarzwald

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

    www.refractotech.com


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    Thanks for the links.

    I figured out how to make CNC simulator execute the G81 drilling rountines properly. Actually it's done in Cambam.

    I'm using Cambam to create my gcode. Cambam has the ability to run scripts on the gcode and filter the code as it creates it.
    I run a script that takes one long g81 code line and separates it into a

    G01 x10 y10
    G81 z-4

    CNC simulator has several nice features above the other free simulators and so I am going to stick with it for now. The gcode from Cambam is simulating perfectly now with the script function.



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    EL34 -

    Would you mind posting an example of your CamBam script that modifies the G81 lines?



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    here's a screen shot of a drilling routine in cambam.
    The script you enter is this
    G01x$Xy$Y
    G81z$Z
    there is a line feed/return character after the $Y

    A small text editing window will open up so you can enter your script.
    then choose CustomScript as your drilling method and cambam will apply your script to the Gcode it produces.



    let me know if you have any questions



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    I just can't get the return character. How do you insert it? When I hit return in the pop up it doesn't show up in the sidebar. Is it a keyboard trick? What am I missing?

    Thanks for the help.



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    Quote Originally Posted by nomodoh View Post
    I just can't get the return character. How do you insert it? When I hit return in the pop up it doesn't show up in the sidebar. Is it a keyboard trick? What am I missing?
    Hi nomodoh (and EL34....fancy bumping into you here )

    If you click on the CustomScript property for the drill mop, you should see a [...] button appear to the right of the field. If you click this, a text editor window will pop up where you can edit the script and insert carriage returns as you would normally.

    I hope this helps!




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    Yo Mr Bulls

    Nomodoh,
    That pipe looking bar does not display in the editing window, just hit enter there as 10bulls said.

    The return character shows up as that pipe character in the CustomScript field only.



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    Wink Take it easy...

    Hi EL34,

    Most of Simulators work in that way, even CNCezPro works like it:

    N10 M06 T6
    N15 M03 S1300
    N20 G00 X1 Y1
    N25 Z0.5
    N30 G81 Z-0.25 R0.125 F5

    N35 X2
    N40 X3
    N45 Y2
    N50 X2
    N55 X1
    N60 G80 G00 Z1
    N65 X0 Y0
    N70 M05
    N75 M30

    Seems they do it to avoid the complicate calculating for their free programs,,,



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    Ah, ok, thanks.
    I wasn't familair with any of the other simulators.
    Good info.



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    Just kinda surprised no one has suggested MACH2. It has a "simulator" function - lets you check the setup before cutting. It has a free download with 1000 lines max if that does it for you. -- Or outright purchase for a bit over $150.
    Jim

    Experience is the BEST Teacher. Is that why it usually arrives in a shower of sparks, flash of light, loud bang, a cloud of smoke, AND -- a BILL to pay? You usually get it -- just after you need it.


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    Quote Originally Posted by High Seas View Post
    Just kinda surprised no one has suggested MACH2. It has a "simulator" function - lets you check the setup before cutting. It has a free download with 1000 lines max if that does it for you. -- Or outright purchase for a bit over $150.
    Jim
    Do you have any screen shots of Mach2?

    Toby D.
    "Imagination and Memory are but one thing, but for divers considerations have divers names"
    Schwarzwald

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

    www.refractotech.com


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    I have mach2 and mach3. The simulations are pretty low tech compared to cnc simulator which gives you several different views of a simulation at one time, plus detailed full screen simulations.



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    Community Moderator Al_The_Man's Avatar
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    I just use MicroTech Simulator to check for any glaring errors, I was thrown at first that some of the canned cycles do not fully simulate, e.g. the G83 peck drill just goes to the drill positions, (does not animate the actual peck operation), but for what I use it for I can live with it.
    And its FREE.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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