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Pocket Ox (Sheetmetal)

Discussion in 'CNC Mills/Routers' started by openhardwarecoza, Jul 12, 2015.

Pocket Ox (Sheetmetal)

Pocket Ox (Sheetmetal)

Discussion in 'CNC Mills/Routers' started by openhardwarecoza, Jul 12, 2015.

Small CNC - made with some custom lasercut+bent sheetmetal parts + Openbuilds V Slot

ox cnc openhardwarecoza lasercut sheetmetal
  1. openhardwarecoza

    openhardwarecoza Journeyman
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    openhardwarecoza published a new build:

    Read more about this build...
     
    #1 openhardwarecoza, Jul 12, 2015
  2. openhardwarecoza

    openhardwarecoza Journeyman
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    view1.PNG

    view2.PNG

    view3.PNG
     
    #2 openhardwarecoza, Jul 12, 2015
    Paul Reed and GrayUK like this.
  3. openhardwarecoza

    openhardwarecoza Journeyman
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    #3 openhardwarecoza, Jul 12, 2015
  4. Mark Carew

    Mark Carew OpenBuilds Team
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    Very cool concept for plates @openhardwarecoza this technique could be used for all sorts of machines.
    Thanks for sharing! :thumbsup:
    Mark
     
    #4 Mark Carew, Jul 13, 2015
  5. openhardwarecoza

    openhardwarecoza Journeyman
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    Thanks Mark. I think the cutting bed out of v slot will look awesome too. And adding bends to any thin part drastically increases stiffness while keeping weight down

     
    #5 openhardwarecoza, Jul 13, 2015
    GrayUK and Mark Carew like this.
  6. Ronald van Arkel

    Ronald van Arkel Veteran
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    Just 3 wheels on each side of the Y-axis? Would not do that, well, at least make some extra holes for future upgrades. V-Slot can be used for reinforcing sheetmetal perfectly, that's what I do with the gantry plates from OpenBuilds ;).

    ___

    As a tip for others: Ask the workshop if they have a fiberoptical or C02 laser cutter; Co2 is slow and you will end up paying 3x the price as when they have a fiberoptical laser cutter. Steel with a galvanized or powdercoated finish will be cheaper although you might need to re-drill the holes for the wheels again (or sand them out).

    -Ronald o_O
     
    #6 Ronald van Arkel, Jul 14, 2015
  7. openhardwarecoza

    openhardwarecoza Journeyman
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    Good point on the laser, see the discussions on the FREEBURN2 thread, been down that road before. Also uploaded some vids of the factory I use. With Freeburn2 we hunted pricing for a month, Clockwerk Mech is sympathetic to the Maker community and did an excellent job for really cheap

    More wheels: Yes, and no. This is "pocket ox" and all it will ever do is mill PCBS and engrave acrylic. So nah, don't need more. Plus, see the reason for the build: Reusing leftovers I had. The sketchups are there, add some holes, longer carriages if you get one made. I wanted to maximise the 500mm Y rails, and still have easy belt routing.
     
    #7 openhardwarecoza, Jul 14, 2015
  8. Joe Santarsiero

    Joe Santarsiero OB addict
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    I have to agree with Punto. Adding two more wheels does not detract away from your idea of a compact light weight OX. The way it's set-up currently has the least resistance against cut and motor forces. I'm betting the first upgrade one makes to the pocket OX is two more sets of wheels for $15. :D

    Joe
     
    #8 Joe Santarsiero, Jul 15, 2015
  9. openhardwarecoza

    openhardwarecoza Journeyman
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    I'll upload the fork of this one for a 1m x 1m with 8 wheels per side shortly.
     
    #9 openhardwarecoza, Jul 19, 2015
  10. Mark Carew

    Mark Carew OpenBuilds Team
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    I bet this bad will roll nice and smooth! Nice work Peter
     
    #10 Mark Carew, Jul 20, 2015
  11. openhardwarecoza

    openhardwarecoza Journeyman
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    20150720_193933.jpg
     
    #11 openhardwarecoza, Jul 20, 2015
    Mark Carew likes this.
  12. Lee Whiteley

    Lee Whiteley New
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    Was just perusing your build and I sure do admire it. I just finished a 48x48 of 8020 extrusion. Tuning it up now and will start some projects soon.
    However I'm still in need of a smaller footprint machine and have been looking at the Openbuild parts and machines for some time now.
    I was thinking that I could make the plates that you've made of sheet metal from plain aluminum plate say at .25 thickness and just machining the parts on my maching.
    What would be your thoughts of my idea. Not to worried about weight but definately require a stout machine.
    Also have you made up dxf's of the parts you've designed? Is so would you mind sharing them? I'm not at all familiar with Sketchup.

    Regards,
    Lee
     
    #12 Lee Whiteley, Jul 21, 2015
  13. stargeezer

    stargeezer Journeyman
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    Very nice for cutting PCB's and such. And the laser below is a nice touch too. Which freeburn is that? I've got to add a laser to my shop but I'm concerned the small one is too small, power and size.
     
    #13 stargeezer, Jul 22, 2015
  14. openhardwarecoza

    openhardwarecoza Journeyman
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    Thats a FreeBurn2 (400x600mm work area, designed for a 40w tube but I am running a 60w tube in there now, poking out the side)

    If theres demand I can stretch the Freeburn2 to larger size?
     
    #14 openhardwarecoza, Aug 13, 2015

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