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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. #421
    Join Date
    May 2016
    Posts
    333

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

    Thanks for the info. That was a bug that crept in during a change.

    I just uploaded a new version V4.1.19. It should work again with that.
    There should also be some other improvements for lathe operation in it.

  2. #422
    Join Date
    Apr 2021
    Posts
    2

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

    Quote Originally Posted by GrblGru View Post
    Thanks for the info. That was a bug that crept in during a change.

    I just uploaded a new version V4.1.19. It should work again with that.
    There should also be some other improvements for lathe operation in it.
    Ok. Thanks! V4.1.19. works .

  3. #423
    Join Date
    Jan 2021
    Posts
    3

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

    First off all I want to give you big kudo's on the quality of this program! It is awesome!

    I have been using it since version 3.49.14 in which Tangential Knife was introduced.
    In that version there was a settings "accuracy 2D" in which you could influence the accuracy that will be used to create circles and arcs. The default value was 0.1 but I always used it with a value of 0.005 for smoother curves.

    Today I upgraded to version 4.1 and I see that this settings is no longer available. All the files I make now have I think the default value of 0.1 which results in not so smooth corners.

    Is there a new parameter to changes this behavior?

    Tnx!

  4. #424
    Join Date
    Jan 2021
    Posts
    3

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

    Quote Originally Posted by yannicovicz View Post
    First off all I want to give you big kudo's on the quality of this program! It is awesome!

    I have been using it since version 3.49.14 in which Tangential Knife was introduced.
    In that version there was a settings "accuracy 2D" in which you could influence the accuracy that will be used to create circles and arcs. The default value was 0.1 but I always used it with a value of 0.005 for smoother curves.

    Today I upgraded to version 4.1 and I see that this settings is no longer available. All the files I make now have I think the default value of 0.1 which results in not so smooth corners.

    Is there a new parameter to changes this behavior?

    Tnx!
    I was wrong, the parameter "accuracy 2D" is still present, the parameter "Accuracy" is missing.
    I added a screenshot
    Attached Thumbnails Attached Thumbnails Capture.PNG  

  5. #425
    Join Date
    May 2016
    Posts
    333

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

    Release notes V4.2

    once again there is a new GrblGru version V4.2. This time most of the changes have been made for the lathe operation.
    In the video I tried to describe the most important changes.

    Have fun with GrblGru


  6. #426
    Join Date
    May 2016
    Posts
    333

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

    @yannicovicz

    How did you create the circles ?
    Did you load them from a DXF or SVG file into GrblGru, or did you use the 2D templates.

    Can you please provide me with a file so I can see what the problem is.

  7. #427
    Join Date
    Jan 2021
    Posts
    3

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

    @GrblGru

    I did a test with a spiral SVG which I made in InkScape.
    The generated Gcode "cuts" the spiral in sections, but the Angle steps are rather large, especially when you go to the inside of the spiral. If I cut that, then it is no longer an arc but more a polygon.

    In the previous version (the one with the first release of the tangential knife you posted here) there was a settings in which you could influence the resolution of the arc to polygon conversion, but in the newer versions it is no longer there.

    I also tested it with a DXF, the behavior was +- the same (it was another shape so I can not compare it 1:1 with the SVG)
    Attached Files Attached Files

  8. #428
    Join Date
    Feb 2021
    Posts
    8

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

    Hello!, hope everything is going ok!

    Just to report a bug (sorry if repeated):

    v4.1.13
    -Something happens (randomly, no pattern noticed) with milling direction indicator. Attached png for reference. All these shapes were on same job (only 1 milling direction, CCW), some of them are reversed. Seems to be just for presentation, as worked as expected in reality.

    Best regards.

    JC

  9. #429
    Join Date
    May 2016
    Posts
    333

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

    @yannicovicz
    Sorry, I just saw that I have not answered you yet.
    Have you been able to solve the problem in the meantime ?
    The parameter "Polyline cleaning" influences the accuracy. But only if the switch "Convert all to polylines" is set.
    Please provide me with an example file. Then I can help you better.


    @jcorona
    Thanks for the feedback. Can you please provide me also best a project file.
    It is always much easier for me to reproduce the problem.

  10. #430
    Join Date
    Jun 2007
    Posts
    33

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

    Hello GrblGru,

    In version 4.2.5 there are 2 BUGs in imports of *.SVG and *.GCODE


    Armando

  11. #431

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

    Quote Originally Posted by Armando View Post
    Hello GrblGru,

    In version 4.2.5 there are 2 BUGs in imports of *.SVG and *.GCODE


    Armando
    Is this related to the directory change, perhaps?
    Program Data used to be at C:\ProgramData\grblgru
    In 4.2.5 it's at C:\ProgramData\toe\grblgru

  12. #432
    Join Date
    Jun 2007
    Posts
    33

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

    Hi RobinMorritt,
    This is not related to the change of directory, No!
    it's a BUG

    Armando

  13. #433

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

    Ah, OK. Let's hope it's an easy fix for Mr GrblGru.

  14. #434
    Join Date
    Jun 2007
    Posts
    33

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

    Hi everyone.
    Today I installed new version 4.2.7 of GrblGru.
    Still with BUG on importing SVG and GCODE see attachment.


    Armando

  15. #435
    Join Date
    Aug 2018
    Posts
    4

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

    @GrblGru
    Hello, I'm doing a new translation to Portuguese Brazil and I'm having problems in the part of displaying the tables (#list: job_templates) presenting CreateGrid() and RefreshMyGrid() errors. Unable to display data. Was any part of the translation responsible for this error?

    I would also like to know if it would be possible to make a portable, without copying the files to the ProgramData folder.

    I don't know if it's already been mentioned, but those who work with small screens don't have the possibility to increase or decrease the drawing area in the 2D tab.

    Tested in versions:
    4.2.0
    4.2.12
    Attached Thumbnails Attached Thumbnails grblgru1.png   grblgru2.png   grblgru3.png   grblgru4.png  


  16. #436
    Join Date
    Jul 2006
    Posts
    13

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

    Hi sevenbsb, I did a translation to Brazilian Portuguese. and did not messed with any program code. Just anexed the text to other translation, as told by Gary.

    Can't see how it would cause problems.

    I will check the program and see if I can reproduce your error.

    Cheers, Dimitrios

  17. #437
    Join Date
    May 2016
    Posts
    333

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

    @sevenbsb
    can you please make your file available here. Then I can see what the problem is.

    @Dimitrios
    thanks for your help

  18. #438
    Join Date
    Aug 2018
    Posts
    4

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

    @GrblGru

    The translation files I have so far are these

  19. #439
    Join Date
    Aug 2018
    Posts
    4

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

    @Dimitrios
    Yes, I did the translation based on yours, which is already in the program, I think it was on 09/28/2019, and it had the same problem.

    I also had some untranslated parts, for version 4.2.0, so I decided to improve.

  20. #440
    Join Date
    Aug 2018
    Posts
    4

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

    @GrblGru
    @Dimitrios

    I made a video showing the error



    One more information when generating the GCODE with the V_CARVE job (#jobmainmode = V_CARVE ) does not generate the M3 command to turn on Spindle, in other modes this is normal

    Version 4.2.0

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