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IndustryArena Forum > CAM Software > Uncategorised CAM Discussion > GrblGru: Free CAM and 3D-Simulation for mills and lathes
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  1. #101
    Join Date
    May 2016
    Posts
    332

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

    @Daggersuk
    What you're saying doesn't sound bad to me.
    Because I don't have a decent manual yet, I assume there is a misunderstanding how to use the NC-Creator.
    That's why I made you a little video showing you how it should work.
    https://www.dropbox.com/s/9sp59bfqyt...ating.mp4?dl=0
    Please check it out, and contact me if it doesn't work for you

    @jpascher
    I hope I could fixed the bug and it will work for you now. From my dropbox https://goo.gl/7BGkkO you can download a new beta version V3.26.12
    The error only occurred under certain conditions with larger files and has therefore not yet been detected. Thank you for your feedback.
    May I ask what you need the G-code for? The simulation of the path looks, let's say, "very strange".

    @vicstransam
    I finally managed to check the diogonal keys to see if they leave the range of travel.
    See new beta version V3.26.12 at https://goo.gl/7BGkkO

  2. #102
    Join Date
    Mar 2018
    Posts
    6

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

    Hi
    The flow as shown in your video has been working fine on my system, the only problem is that my Z axis on my machine is reversed. But the work flow I could not get to work is the DXF to STL to N.C. I can create a STL using the “create STL button” but the “create N.C.” green arrowed button seems not to function on my setup. Thanks for all your efforts.

  3. #103
    Join Date
    May 2016
    Posts
    332

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

    @Daggersuk

    I'm not sure I understand you correctly. But in case you want to have the G-code directly from the STL object, I have to disappoint you.
    I can't calculate that at the moment. There is only one slicer in GrblGru, with which you can cut the STl into slices, from which you can calculate the 2D G-Code.
    Sorry, my goal for the future is to be able to calculate G-code for a 5-axis machine. But I'm not ready yet.

    For the error with the Z-axis, please take a look at the required coordinate system when creating the 3D model.


  4. #104
    Join Date
    Sep 2005
    Posts
    24

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

    @vicstransam
    I finally managed to check the diogonal keys to see if they leave the range of travel.
    See new beta version V3.26.12 at https://goo.gl/7BGkkO[/QUOTE]

    It works!
    .
    I have a question about G28 homing code. The simulator seems to think that G28 is to return to part zero instead of machine home reference point.
    Also, is there a MDI function available? I was thinking I could type directly into the gcode window and it act as manual data input.
    Forgive me if this has been covered in a video as I haven't yet seen them all.

    Thanks again for your substantial contribution to hobby CNC.
    PI R ROUND

  5. #105
    Join Date
    May 2016
    Posts
    332

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

    @vicstransam
    I put a short video on my dropbox. It shows how to access GRBL directly from the command line.
    https://www.dropbox.com/s/hv5p5snpa3...ntrol.mp4?dl=0

  6. #106
    Join Date
    Sep 2005
    Posts
    24

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

    Very nice! Thank you!
    PI R ROUND

  7. #107
    Join Date
    Aug 2009
    Posts
    5

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

    First of all thank you for your excellent software and congratulations for it.
    I plan to use it with my lathe wich works with Mach 3. As someone said before axes in your software are not standard but that is not an issue as we can edit g code and easely change it.

    I have one doubt. I have some parts that are turned on the outside (with that I have no problem) and on the inside, and that's where I don't know how to do it.
    Cab you please explain if that is possible and how to di it.

    Thanks
    Sacramento

  8. #108
    Join Date
    May 2016
    Posts
    332

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

    @Sacramento

    Unfortunately I don't have an extra function for turning inside.
    Until now I have always turned the tool by 180°.
    See pic. Top=normal position for inside turning, bottom+right= tool 180° turned
    This allows me to use the same routine as for turning outsides.

    For small special contours I like to use the macro bar on the right side of the screen.
    This allows you to quickly write a small Gcode routine.

    If that doesn't help you, please tell me exactly what you want to do.
    I will then try to find a solution.


  9. #109
    Join Date
    May 2016
    Posts
    332

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

    Release notes V3.27.0

    At https://goo.gl/quFpdZ you can download my new GrblGru version V3.27.0 for free, if you like.
    This time I have dealt with the Grbl Laser mode. Unfortunately I have to admit that I don't own a laser yet, but I will buy one as soon as possible, because the application possibilities are already great.
    Because I do not yet have any practical experience myself, a friend helped me to work out the necessary program adaptations for the operation of a laser.
    As always, I tried to briefly describe the essentials in the attached video.
    Since my friend use his laser to make cosplay costumes, the main focus is on the steps involved in cutting materials.

    A short request at the end.
    Even a small weak laser can cause irreparable damage to the eyes. Be sure to get laser safety glasses and be aware of the necessary safety regulations.

    Have fun with GrblGru


  10. #110
    Join Date
    Feb 2017
    Posts
    59

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

    has anyone gotten GrblGru to run on linux using wine ?

  11. #111
    Join Date
    Feb 2017
    Posts
    59

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

    I got GrblGru running on Linux Mint with the following procedure:


    • start up PlayOnLinux (POL)
    • start the wizards to Install an Unsupported Application
    • use wine version 3.7
    • install corefonts
    • install the dotnet45 library (this took some time and I a lot of fiddling but is the key step as GrblGru does not run on the default mono dot net libraries)
    • download and extract the GrblGru exe and select it as the app to install on POL
    • create the shortcuts and run

  12. #112
    Join Date
    May 2016
    Posts
    332

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

    That's fantastic !!! I have had some requests from Linus users so far. But no one's ever done it before. Congratulations!

  13. #113
    Join Date
    Feb 2017
    Posts
    59

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

    How do you specify the stepover for pocketing operations ?

  14. #114
    Join Date
    May 2016
    Posts
    332

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

    @Junior2016

    Sorry about my late response. I was on vacation last week.

    Until now I have no separate input for stepover. A constant stepover of 0.5 mm is used.
    But a new input with a percentage of the tool diameter would be a good idea for the next version.

    I am very interested in your Linux version of GrblGru. Please let me know if there's anything else I can do.

  15. #115
    Join Date
    Aug 2009
    Posts
    5

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

    Quote Originally Posted by GrblGru View Post
    @Sacramento

    Unfortunately I don't have an extra function for turning inside.
    Until now I have always turned the tool by 180°.
    See pic. Top=normal position for inside turning, bottom+right= tool 180° turned
    This allows me to use the same routine as for turning outsides.

    For small special contours I like to use the macro bar on the right side of the screen.
    This allows you to quickly write a small Gcode routine.

    If that doesn't help you, please tell me exactly what you want to do.
    I will then try to find a solution.

    Hi

    It will be a good improvement if one can create latthe tools as I could find only 2 tools and could not adapt them.

    Regards
    Sacramento

  16. #116
    Join Date
    May 2016
    Posts
    332

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

    You can create your own lathe tools.
    Please watch my YouTube video. "GrblGru: Unimat lathe turning dxf files"
    Chapter 2: "Available lathe tools" describes how it works.

    https://youtu.be/6577gASO1Q0

  17. #117
    Join Date
    Aug 2009
    Posts
    5

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

    Quote Originally Posted by GrblGru View Post
    You can create your own lathe tools.
    Please watch my YouTube video. "GrblGru: Unimat lathe turning dxf files"
    Chapter 2: "Available lathe tools" describes how it works.

    https://youtu.be/6577gASO1Q0
    Thanks for your reply. When do you expect to have carbide inserts usable?
    NeverthelessI could not find them as shown in your video. You say tey are on to do list but my list is empty.

    And on database Tool I only can find ISO cnmg120408.

    Can you explain how to proceed

    Thanks
    Sacramento

  18. #118
    Join Date
    Feb 2017
    Posts
    59

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

    Just had my first born 2 weeks ago. Hobby time is pretty limited.

    Quote Originally Posted by GrblGru View Post
    @Junior2016
    Until now I have no separate input for stepover. A constant stepover of 0.5 mm is used.
    But a new input with a percentage of the tool diameter would be a good idea for the next version.
    This would be great addition! Also a setting to mill pockets from the center out would be useful.

    The main issue with runing GrblGru on linux with Wine is the simulation rendering is always garbled. I'm not sure if this is a wine setting that's not configured correctly or some other issue.

  19. #119
    Join Date
    May 2016
    Posts
    332

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

    @Junior2016
    Congratulations. I remember that time. No time for nothing and always tired.
    I'll let you know when I have something new to show.
    For the graphics I only use the normal OpenGL. Everything else is handmade.
    Maybe we find a way to fix the problem. But there's time for that.

    First, enjoy your time.


    @sacramento
    carbide inserts are still not available.
    Sorry, but I can't tell you when they are available. I do all this only as a hobby and at the moment I am working at the milling mode.
    Please try again to understand the actions from the video.

  20. #120
    Join Date
    May 2016
    Posts
    332

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

    Release notes V3.28.0

    Lately I've been approached on 5-axis machines.
    Although I know that there are still a few construction sites open in my 2D program, I was tempted to take my first steps in the direction of 5 axes.
    For this purpose, I have added a rotary and a swivel axis to the 3D model of my machine on a trial basis.
    Of course, the functionality is still very limited. Corresponding CAM functionality will also be a long time in coming.
    But, you can already move all 5 axes of the model manually and simple G-code is already processed by the interpreter.
    The whole thing is suitable for thinking about 5-axis technology and its complexity.
    For all those who are interested in this topic, I have put a small guide for importing own 3D-models on my dropbox.
    http://bit.ly/2suKAJe_Import3D_gb
    Suggestions and ideas for design a practical and cost-effective 5-axis machine for the hobby area are most welcome.

    As a suitable controller I have chosen an Arduino Due (approx. 50 Euro) with the operating system g2core.
    My controller and motors are not yet connected, but the data exchange with g2core looks very promising.


    In the attached video I once recorded my current status on this topic.

    Please note the NEW address for download: http://bit.ly/2xF1KJ8_GrblGru_Release
    I've changed a lot. Therefore you have to answer the question about deleting the folder with 'YES' during the installation, so that a complete reinstallation takes place.


    Have fun with GrblGru


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