GSimple (Free 3 Axis CAM) Version 1.08 - Page 2


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Thread: GSimple (Free 3 Axis CAM) Version 1.08

  1. #21
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    Default No gsimple.exe file found!

    Hi Ron,

    Please look at http://www.gsimple.eu/faq.html (Frequently Asked Questions).

    To quote it here:

    Q: I executed GSinstal but I can't find gsimple.exe?

    A: You propably executed (double-clicked) gsinstal.exe from within WinZip, that is without unzipping all the files. There is a file called gsimple.ex~ in the files you have downloaded -this is an "archive" where all the nesessary files have been joined into one. Gsinstal.exe extracts gsimple.exe and all the other files. If it does not find it, it does not extract anything!


    I hope this will resolve the problem



  2. #22
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    Default

    Hi,

    I have downloaded and installed Gsimple and started to try it out. I like what I see so far. I have not yet used the G-Code from it but I hope to be able to try the code out this weekend on my Taig Mill. I will let you know how it goes.

    It is important to read through the documentation on the website to get started. At first I was having some trouble trying to figure some things out but when I went back to the website and read some more I got it to work.

    I like how if you place a pocket inside another pocket it starts from the bottom of the first pocket instead of the top of the part.
    Keep up the good work!

    Thanks,

    Frank



  3. #23
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    Default

    Well somethings came up last weekend and I wasn't able to use the G-code from Gsimple yet (hopefully this weekend). But, I am running into a problem. I keep getting an error that says: "Tool with zero radius required". I am trying to place two pockets in a square block. I'm not sure why this error keeps coming up when I try to make G-code. Any suggestions?


    Thanks, Frank



  4. #24
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    Default Impossible pocket!

    In any pocket, two segments (lines or arcs) cannot intersect at an angle smaller than 180 deg. This is not a gsimple restriction, it is a physical restriction. You would need a tool with zero diameter to machine a sharp corner!
    Some CAM programs accept pockets with edges smaller that 180 deg and machine them anyway, approaching the edge as close they can.
    Gsimple does not. Even worse: if you define such a pocket the g-code will be wrong! The good news is that you can see it easily at animation -the toolpath will have intersections.
    GSimple will do just one very elementary check regarding pockets: a pocket with no arc segment is for sure not producable. This is exactly wat the message "Tool with zero radius required" means. To correct it, connect the line segments that intersect at angles less than 180 deg. with arcs having radious at least as large as the radious of the tool you are going to use.

    Attached Thumbnails Attached Thumbnails GSimple (Free 3 Axis CAM) Version 1.08-gsimple-jpg  


  5. #25
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    Default

    I believe that I understand what you are saying but my pockets didn't have that problem.

    I will try to give the details of my part:

    Stock block size: length (X) 3.28; width (Y) .76; hight (Z) .910 dims are inches.

    Pocket size: length (X) .765; width (Y) .45; depth (Z) .05 all corners R.220
    Pocket Location (lower left corner): X .475; Y .25
    Pocket copied X 2.04; Y 0.00

    I hope I have given enough detail for you to understand my part. Here are a couple of pics that I hope can help:

    Attached Thumbnails Attached Thumbnails GSimple (Free 3 Axis CAM) Version 1.08-invalid-pocket-bmp   GSimple (Free 3 Axis CAM) Version 1.08-d_3-upper-bmp  


  6. #26
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    Default

    are the arcs made of short line segments?

    sam



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    Default

    I made the pockets with the "Rectangular Pocket" feature so they weren't drawn as segments.



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    Default Re: Pockets

    I just tried it myself - no problem! This is a listng of my pocket2.gsi file
    Could you please attach (or list as i did) your .gsi file?


    $64 65918042
    $65 www.gsimple.eu
    $66 1.17
    $85 VF0
    $12
    $1 1
    $2 noname.cnc
    $58 1
    $95 1 5.55992 76.00517 329.17920 124
    $5 0 -350.000 -300.000 0.000
    $96 0.000 0.000 0.000
    $29 24.99995
    $55 10.00000
    $61 0
    $67 3.000
    $68 5.000
    $69 5.000
    $70 15.000
    $71 25.000
    $72 0.200
    $74 0.200
    $73 0.200
    $75 1.250
    $76 0.500
    $98 127
    $21 ON
    $92 OFF
    $36 OFF 200.000 500 2 50.000
    $41 OFF 3.000
    $82 OFF 150
    $91 OFF
    $50 AUTO
    $11 1 EM05R4 0 0.00000 0.00000
    $11 2 DHCo05 0 0.00000 0.00000
    $3 1 83.31200 19.30400 23.11400 0.00000 0.00000 -23.11400 0 0 -1
    $4 ST37-2
    $28 0.00000 0
    $20 2 1 16.51000 11.43000 1.27000 12.06500 6.35000 5.58800 0.00000 0 0 -1 0 0
    $20 3 1 16.51000 11.43000 1.27000 63.88100 6.35000 5.58800 0.00000 0 0 -1 0 0

    Attached Thumbnails Attached Thumbnails GSimple (Free 3 Axis CAM) Version 1.08-gsimple2-jpg  


  9. #29
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    Default

    I though it should work. Maybe something happened to one of my program files that is causing it to mess up.

    Here is the info in my file:


    $64 65918042
    $65 www.gsimple.eu
    $66 1.16
    $85 VF0
    $12
    $1 2
    $2 noname.cnc
    $58 1
    $95 0 3.79750 408.27187 374.24147 124
    $5 0 -350.000 -300.000 0.000
    $96 0.000 0.000 0.000
    $29 2.54000
    $55 10.00000
    $61 0
    $67 2.540
    $68 5.000
    $69 5.000
    $70 15.000
    $71 25.000
    $72 0.200
    $74 0.200
    $73 0.200
    $75 1.250
    $76 0.500
    $98 127
    $21 ON
    $92 ON
    $36 OFF 200.000 500 2 50.000
    $41 OFF 3.000
    $82 OFF 150
    $91 OFF
    $50 AUTO
    $11 1 1/4_ROUGH_EM 0 0.00000 0.00000
    $11 2 3/8_TiN_3FL_ 0 0.00000 0.00000
    $3 1 83.31200 19.30400 23.11400 0.00000 0.00000 -23.11400 0 0 -1
    $4 FORTAL_ALUM.
    $28 0.00000 0
    $27 4 1 0.00000 0.00000 1.52400 0.00000 0 0 -1 0 0
    $17
    $20 11 1 19.43100 11.43000 12.70000 51.81600 6.35000 5.58800 0.00000 1 0 -1 0 0
    $20 10 1 19.43100 11.43000 12.70000 12.06500 6.35000 5.08000 0.00000 1 0 -1 0 0


    Thanks for the help. And let me know if you need anything else.
    -Frank



  10. #30
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    Default

    There is a pocket with no content in your file!
    The offending lines are the following

    $27 4 1 0.00000 0.00000 1.52400 0.00000 0 0 -1 0 0
    $17

    The first means:
    START POCKET WITH ID=4 AND PID=1 AT X=0 Y=0 DEPTH=1.524 ...
    The second means:
    END

    Normally there should be a whole list (at least 2) of lines and arcs which define the pocket. But there is nothing there!

    If you delete these lines (or make them into a comment by precceding them
    with the # character) the file will be ok.

    I am very sorry for the bug. I suspect you started at some time drawing a pocket and then aborted it, or drew a pocket and deleted all its elements or ...
    I will check for the bug and try to fix it.



  11. #31
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    Default

    You are right I tried to draw a pocket with the irregular pocket command and then ended up deleting it.
    I did paste the file info that you listed inside my file and it worked.

    Thanks for taking the time to go over this problem.

    -Frank



  12. #32
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    Default

    How does Gsimple handle tool changes in its G-Code?

    Right now the part that I am getting ready to cut has some milling and drilling that needs to be done; so I am going to create separate files (one for each tool needed). But if I were to do all of the operations in one file what would happen when I needed to change tools? My mill doesn't have a auto tool-changer. It doesn't even have the spindle connected to the CNC controller.



  13. #33
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    Default Toolchange

    You can make GSimple stop (issue a M00 command) at tool chabge through the G-Code/Make Option dialog (see attached picture).
    You can also make "Stop-At-Tool-Change" the default setting for your machine by making a configuration file for it containing the configuration command
    TOOLCHANGE MANUAL

    Gsimple will produce a file containing all the nessesary tool changes. For example if you define a pocket in a pocket and the tool you have supplied is not able of plunging, gsimple will look for an appropriate drill and then

    Select the drill
    Predrill a hole for end mill insertion
    Select the end mill
    Make the first pocket
    Select the drill
    Predril a hole in the first pocket for end mill insertion
    Select the end mill
    Make the second pocket

    If you select "Stop-at-tool-change" a M00 will be inserted before each tool change.

    Attached Thumbnails Attached Thumbnails GSimple (Free 3 Axis CAM) Version 1.08-satch-jpg  


  14. #34
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    Default Gsimple

    Thank you Gsimple looks really cool, looking forward to checking it out.
    It seems to be exactly what I've been looking for a simple g code gen for simple parts you rock

    Thanks again



  15. #35
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    Default

    Well, I had some success using the Gcode from Gsimple, last weekend. Although I did run into a few snags (probably they are some fault of my own and not gsimple though).

    I was trying to make G-Code for another revision of the part I was making and I couldn't get it to work Gsimple kept giving me errors. I will list a picture of the part so maybe it will help in answering my questions.

    If you look at the center of the part there are two bulges stacked on top of each other along with a bulge on each side that goes to the same total depth. Do the stacked bulges create a problem in Gsimple or should I be able to do that? It lets me put them in but then it gives me errors when I go to make g-code.

    Also the two end bulges, can I make something like that with gsimple (where the one end is round and the other end is flat?

    for your reference I am starting out with my block milled to the part size before I start out.

    Thanks for the help.

    Attached Thumbnails Attached Thumbnails GSimple (Free 3 Axis CAM) Version 1.08-d_4-upper-jpg  


  16. #36
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    Default

    GSimple can definitely make this part! Just look a the attached picture. The dimensions are of caurse wrong, I just made a similar part resembling the one on your picture.

    In Gsimple you must draw your object in "levels" (or "layers"). All bulges residing on one level share the same height. I have split the two bulges on the sides into two parts.

    Gsimple recognises the z-position of an object trough its "parent" object. The parent object is the one on which it is placed (attached to use the g-simple dialect). The parent object of the upper part of the side bulges is its lower part. The parent object of the lower part is the block etc.

    I have attached my .gsi as d4_upper.txt.

    Attached Thumbnails Attached Thumbnails GSimple (Free 3 Axis CAM) Version 1.08-d4_upper-jpg  
    Attached Files Attached Files


  17. #37
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    Default

    Thank You for the reply and the help! I knew I must have been doing something wrong! I have noticed though that any time I double click on any object to edit them some of the information changes from what I originally entered. Like if I create a bulge with a sepicified corner radius and then re-open that bulge it changes the radius to a very small number. I'm not sure if I have something set wrong or if there is a bug. thanks for all the help you've been!

    -Frank



  18. #38
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    Default Dimension change

    It is some kind of a bug. Internally GSimple works always in mm mode. Numbers entered in inch mode are converted to mm and then reconverted back to inch whenever you open a dialog. This conversion and reconversion creates these deviations. In some cases (for exmple drills) it did produce problems (the hole diameter did not match the drill diameter although let' say they were both set at 1/2"). I have tried to fix these problems - if there are still some present, please inform me to fix them in the next versions.



  19. #39
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    Default Old G-Code?

    GSimple looks very impressive!

    Does it have the ability to import an existing (manually written) G-Code file?

    I've got tons of small simple parts in hand written g-code that I'd like to get into GSimple for modification.

    Thanks,

    John



  20. #40
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    Default

    Is GSimple able to import a hand written g-code?

    It depends on what you mean by "import".

    1. Import for animation? This may be done quit easily (with a small trick):

    A) Create a new project
    B) Define the block (stock)
    C) Select G-Code/Make. A G-Code file doing nothing(!) will be produced


    %
    O1
    (G-Simple, Version 1.17)
    (User : S.Kontogiannis)
    (Created: Sat Oct 20 17:59:43 2007)
    G28 G91 Z0
    G54 G90 G98 G21
    M09
    G28 G91 Z0
    G28 G91 Y0
    G90
    M30
    %


    D) Select G-Code/View-Edit. This will open the gcode file with the notepad.
    E) Replace the produced by gsimple code (the one that is not doing anything) with your code. (save the file on exit)
    F) Run the code on screen

    Please note that GSimple will be able to run properly a program only if it uses the subset of G-Codes that GSimple is using (look at the end of the help file for a list).

    2. Import for editing. This is not possible. This would require the ability from GSimple to "recontsruct" your object from the supplied gcode and gsimple cannot do that. I am sorry for the disappointment.

    I am working at the moment on a new version (2.00) with major changes over the existing version. In the new version the splitting of the object into "levels" (layers) will be done by the program and not the user (this is now the case). Islands will also be supported and the object storage space will be greatly increased. G-Code import (for animation) will be made much easier.

    The new version will be ready (as far as I can predict) in a couple of months. Meanwhile, the only change I will make in the existing version is debugging (although it seems that there are not so many bugs around).

    Sotiris



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