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  1. #1
    Join Date
    Feb 2004
    Posts
    44

    Jpeg to Gcode

    Somebody wants meto cut them a deer scene in 2 dimensions but I'm not having any luck converting a jpeg into something I can use. I tried my Mach2 but it did'nt work for me, any other suggestions? The white parts of the picture would be cut out and the black parts would remain.
    Attached Thumbnails Attached Thumbnails Buck and Doe Enlarged.jpg   BUCK DEER silhouette Enlarged.jpg  

  2. #2
    Join Date
    Mar 2003
    Posts
    63
    I wrote a program in Matlab that pecks a countersink bit to a depth that is proportional to the darkness (or lightness) of each pixel. I'm not sure if this is what your looking for but it gives an interesting image. I can generate g-code for the pict that you posted. You would have to tell me what length or width you'd want the end result to be.
    Tony
    [email protected]
    http://www.xenomechanics.com

  3. #3
    Join Date
    Jan 2005
    Posts
    20
    You can use Meshcam to make gcode from a picture. It is relatively cheap (100 bucks), really easy to use, and there is a 60 day trial. www.meshcam.com

    Giorgio

  4. #4
    Join Date
    Jul 2004
    Posts
    93
    You can also use Corel trace, a raster (jpeg) to vector program (dxf) and a demo version is avalible
    and then put in it in your cam system as a dfx file
    IF ITS NOT BROKE YOUR NOT TRYING HARD ENOUGH

    Ashes to ashes , dust to dust , If it wasnt for Harleys the fast lane would rust.

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

  5. #5
    Join Date
    May 2004
    Posts
    350
    Will this do? I just converted a bmp with plasmacam to a dxf
    Attached Files Attached Files

  6. #6
    Join Date
    Oct 2005
    Posts
    4
    hey if any body can help I need a freeware that converts DXF files to gcode
    thnx

  7. #7
    Join Date
    Mar 2003
    Posts
    35538
    ACE converter. www.dakeng.com
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

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

  8. #8
    Join Date
    Jul 2004
    Posts
    93
    Aksses
    your drawing worked good in mastercam anyone need the g code?
    Brad
    IF ITS NOT BROKE YOUR NOT TRYING HARD ENOUGH

    Ashes to ashes , dust to dust , If it wasnt for Harleys the fast lane would rust.

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

  9. #9
    Join Date
    May 2004
    Posts
    350
    I use plasmacam exclusivily for 2d art "cut outs" I can output as dxf or g-code even rearange toolpaths. To bad it isnt free it cost around $2500

  10. #10
    Join Date
    Feb 2004
    Posts
    44
    I really appreciate the replies to my question and I'm going to try some of them as soon as I get my machine running again. I turned the computer on last Saturday and it couldn't access the hard drive was the message. I tried a different hard drive but the computer still couldn't access the hard drive. Any suggestions?

  11. #11
    Join Date
    Nov 2005
    Posts
    34
    I'm thinking of buying either an engraver or a router... can that deer scene be cut nicely with a router?

  12. #12
    Join Date
    May 2004
    Posts
    350
    Yes it can be cut nicely with a router.

  13. #13
    Join Date
    Nov 2005
    Posts
    34
    I've seen examples of routing using a 0.5mm cutter... is it possible to buy/use finer cutters for routing?

  14. #14
    Join Date
    Mar 2003
    Posts
    35538
    .01", or .254mm. You need a very good spindle with these, with little to no runout or they break easily.

    http://www.thinktink.com/cgi-bin/car...ep=20&start=19
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

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

  15. #15
    Join Date
    Nov 2005
    Posts
    34
    so what type of cutters are used on engraving machines for very fine line work?

  16. #16
    Join Date
    Mar 2003
    Posts
    35538
    Quote Originally Posted by w i l l
    so what type of cutters are used on engraving machines for very fine line work?
    http://www.antaresinc.net/FactCutterGeometry.html
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

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

  17. #17
    Join Date
    Nov 2005
    Posts
    34
    that doesn't tell me difference between a routing cutter and an engraving cutter... can you use an engraving cutter in a router?

  18. #18
    Join Date
    Mar 2003
    Posts
    35538
    An engraving cutter is designed to engrave. Just the tip cuts. You can use it in a router, but you can't cut parts with it. Router bits come in many different configurations, for different applications. If you're working with wood, and want to do engraving, just get a V bit like these. http://eagleamerica.com/product.asp_Q_pn_E_132-1022 The engraving cutters I linked to before work best in metals and plastics.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

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

  19. #19
    Join Date
    Dec 2005
    Posts
    31
    Look on my site at http://www3.telus.net/tarkus

    look near the bottom of the page, there's a program I wrote called Picmill.
    It will take a jpeg/gif/bmp and turn it into heightmapped Gcode... in other words, it will make a psuedo-3d representation of the image... it only works with ballnose endmills currently, but it does work.

    If you just want outlines, I can post the gcode for the toolpath, just tell me how deep you want the cutter to go and how high you want it to clear the top.
    http://smackaay.com
    Visit my site

  20. #20
    Join Date
    Dec 2019
    Posts
    17

    Re: Jpeg to Gcode

    please can you post the program and how to resize the image to the work space.tanks

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