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Thread: GrblGru: Free CAM and 3D-Simulation for mills and lathes

  1. #85
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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    In simulation mode, you can enter the home position in the Machine Manager. If you then press the Home button, the machine will move to the home position.
    In order to prevent the axes from leaving their travel range, you can select the option "Check limits" in the setting.



    Attached Thumbnails Attached Thumbnails GrblGru: Free CAM and 3D-Simulation for mills and lathes-image-1-jpg  


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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    Quote Originally Posted by GrblGru View Post
    I am very happy that you could use GrblGru for your lathe.
    I also hope that I will finally get to rename the axis designations soon.

    To your question. Here's what I do on my machine:
    - Turning of a cylinder with any diameter
    - Measurement of the created diameter with the caliper gauge
    - Enter the radius of the diameter in the Y-axis from the program
    - Press the' Origin' key to set the starting diameter.

    Please let me know if you have any questions or if sth. doesn't work as it should.
    In this case you can also send me a PM with an email address.
    Thank you for the explanation GrblGru. That makes perfect sense.

    I'm doing my programming in simulation mode on my laptop in the comfort of my home and then saving the g-code and copying it to the computer attached to the lathe down in the less comfortable basement.

    I now understand that I can input a radius into the program in simulation mode and then cut my blank to that diameter on the lathe and set that to my Y axis origin. Very easy and straight-forward !

    I'd like to support your good work. Do you accept donations ?

    Jay



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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    Thank you, that's very kind of you. But I don't have a website yet.
    Once I have one and you're still satisfied... we will find a way.



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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    Release notes V3.26

    Easter is just around the corner,
    and after I added the virtual 3D model of an EggBot to the program some time ago, I now want to provide a real model.
    It was important for me to use the normal GRBL with 3 motors. The well-known variant with the servo for pen lifting was therefore eliminated.

    Another important point was to keep costs as low as possible. The practical execution is certainly not a mechanical engineering masterpiece.
    Expectations of speed and precision must therefore not be set too high. It's more about the principle.
    However, the model is hopefully still suitable for teaching important knowledge of CNC technology in a playful way.
    (And you can also paint eggs with it)

    Reproduction of the model is not only possible with GrblGru, but with any other control system.
    If necessary, you can also saw out the plywood parts with a fretsaw.

    The actual operation of the model is currently only tailored to GrblGru.
    But maybe someone can change the construction so that a servo takes over the pen lift again.
    This would also make it possible to control the whole thing with InkScape.
    Suggestions for improvement are welcome.

    Here are the costs for material and software:
    ----------------------------------------------------
    Arduino UNO + CNC Shield 12 Euro
    Stepper motors 3 x 2 Euro 6 Euro
    Plywood 4mm 2 Euro
    GRBL Software 0 Euro
    GrblGru Software 0 Euro
    -----------------------------------------

    Have fun with GrblGru





    Attached Files Attached Files


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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    Hi GrblGru,

    I'm making good progress controlling the Unimat with your software.

    Hoping you can help me with a parameter tool issue. I suspect it's something I'm neglecting to do but haven't figured it out yet.

    I changed the angles of the parameter tool in the 2D view to match what I have setup on the lathe. It displays correctly in the 2D and 3D STL views but it doesn't appear to be calculating the new shape correctly. (Mostly in the X axis.) I restarted the software to make sure it was reading the new shape but that didn't resolve it. I'm running your most recent Beta version 3.25.8.

    I've attached a picture showing the simulation.


    Also, I attempted to create a copy of the latheprofile.dat file so I could modify it to match my tool but it doesn't allow me to save anything in the "C:\Program Files (x86)\toe\GrblGru" directory.

    Any suggestions would be appreciated.

    Thanks !

    Jay

    Attached Thumbnails Attached Thumbnails GrblGru: Free CAM and 3D-Simulation for mills and lathes-parameter-tool-calculation-jpg  


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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    @Jay_Perez

    I have sent you a private message with my email address. This makes data exchange a little bit easier.



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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    Thank you for the reply. I tried again testing the limits of travel and it worked as normal except if you use the corner buttons to move both axes, it will still over travel on x and y even if the limits are set in configuration file correctly. This is on version 3.25.8




    Quote Originally Posted by GrblGru View Post
    In simulation mode, you can enter the home position in the Machine Manager. If you then press the Home button, the machine will move to the home position.
    In order to prevent the axes from leaving their travel range, you can select the option "Check limits" in the setting.



    PI R ROUND


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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    @vicstransam
    You're right. That's another mistake. Will fix it in the next version. Thanks for your feedback.



  9. #93
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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    You are welcome. I eagerly await the next version. Thanks again.

    PI R ROUND


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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    HI,
    GREAT PIECE OF SOFTWARE BUT UNFORTUNATELY NOT ABE TO LOAD MY 3D STL FILES OF MY MACHINE ON YOUR SOFTWARE ,GETTING A ERROR,CAN YOU HELP ME INSTALL IT. I AM ON WINDOWS 7 32 BIT LAP

    Senthiru


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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    I've sent you an email.



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    Default Re: GrblGru: Free CAM and 3D-Simulation for mills and lathes

    Hi,Could not find a minimum systemI am new to cnc and am just at the end of first machine build. I have been experimenting with your programme which is great. My only problem is that the g code creator (nc) button does not function on my machine. configuration but I am running on a windows 7 32bit laptop. Does GrblGru require a 64bit machine?All the best



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