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ooznest OX CNC Machine

Discussion in 'CNC Mills/Routers' started by Ryan Lock, Apr 28, 2015.

  1. John Meikrantz

    John Meikrantz Veteran
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    My two favorites right now are bCNC and cnc.js. I have a similar setup with Raspberry Pi in the workshop connected to control CNC.

    GitHub - cheton/cnc.js: CNC.js is a web-based CNC milling controller for the Arduino running GRBL.
    vlachoudis/bCNC: GRBL CNC command sender, autoleveler and g-code editor
     
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  2. takini

    takini New
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    Hi, I reached the kit !!

    This weekend I start the puzzle. :)

    Thanks Ryan
     
  3. Chillimonster

    Chillimonster Veteran
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    Cheers John

    There is also a pre-built image for the Pi with bCNC already on and ready to go.

    Raspberry Pi CNC User Interface SD Card Image - Protoneer - Wiki


    Winner!

    Just having a play now while I eagerly await my OX :)
     
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  4. John Meikrantz

    John Meikrantz Veteran
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    Awesome. I'm beta testing the new version of Protoneer's Raspberry Pi CNC that adds support for a 4th driver and some other cool things. I knew Bertus was working on creating an SD Card image, glad to see it's available!

    I'll post a build for the new board soon.
     
  5. Chillimonster

    Chillimonster Veteran
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    Got my kit last weekend and got the mechanicals build up.

    Everything exactly as expected. Instructions were superb, everything bagged and labeled up to make life easier.

    Got the frame built and squared at weekend and that is now in place with the machine on it. Its on wheels to allow easy access for cleaning and maintenance and also to allow work on pieces longer than the machine bed.

    The spoil board still needs to be drilled and fitted with T-Nuts through the underside

    Been a busy week with arcade cabinet builds so will be tackling the electronics this weekend and doing some test cuts.
     

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  6. GrayUK

    GrayUK Openbuilds Team Elder
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    Looks so Cleeeean and Tidy! :D
    At the moment.
    Gray
     
  7. Chillimonster

    Chillimonster Veteran
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    Oh i'm under no illusions - i know in about a week the whole place will be filled with 'Man Glitter' :D :D :D
     
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  8. Chillimonster

    Chillimonster Veteran
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    My ONLY criticisms so far that i have with the machine, but suspect they are general OX criticisms:

    Lack of workable Z height - I was planning on using a 25mm MDF spoil board with insert nuts, mainly for the weight as it will help with stability, but have had to swap to a 12mm MDF spoilboard as there was not enough height for the 18mm boards i cut. Ideally i'd be looking at larger plates but unsure where to start to get compatible ones.

    The belt system, and tuning of the CNC XPro - the instructions are clear but steppers still seem noisy - could it be the belts are over tensioned, or are they just inherently noisier than ball screws?

    Other than that its whizzing around a treat - did some 'dry' cuts with no tooling to make sure it follows the G code etc. and all was well.

    Going to finish tidying cables up and fit the e-stop tomorrow then get it earning its keep!
     
  9. Chillimonster

    Chillimonster Veteran
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    My mounting solution for the CNC Xpro driver board
     

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  10. OneTea

    OneTea Well-Known
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    I started doing research on CNCs for back in January. When I started, I stumbled across this site and it gave me some ideas for my build design. I liked the idea of using extrusions for the frame. From there I was looking at 80/20 and using their dimensions for my build. I was on several other forums reading every day about the pro's and con's of this or that. I was shopping around for the parts as I went through several builds in SketchUp -- from moving to fixed and back to a moving gantry design, from various designs of a single leadscrew design to two, ect., as I wanted a build that was within my budget and met my performance goals.

    Earlier this week, I had a design almost completely figured out with the BoM, cost, and suppliers I was going to use. I was just trying to see if there were any similar builds I could find to check the size of my steppers against to make sure my build would work. Without planning on it, that brought me back to Openbuilds. I wasn't planning on changing anything, but maybe the stepper size. Then I saw original Ox build. With the build list right there, I added all the parts to a shopping cart to see how much it would be. It was way so far under my cost for the build I designed using parts from all over the web, yet so close to my design. I was using ACME for my linear motions and figured I'd just might as well just jump off my wagon and get on the Ox.

    After just bit more reading, I felt as though the Ooznest was the right breed of Ox for me as a first CNC. I didn't want something that was going to be too much of a toy that I out grow too fast, but I didn't want to invest too much just getting into CNC. Last night I clicked "Confirm Order" and now I am going to be facing the longest week as I anxiously await the arrival the Ooznest.

    I guess I'll spend this week working on relations with my neighbors and the my sound deadening plan.
     
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  11. Chillimonster

    Chillimonster Veteran
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    To be honest it is not that noisy in operation.

    Mine started out noisy but tuning the steppers and adjusting the tension of the wheels so that the steppers were not straining took most of the noise away.

    I use a kress 1050 spindle and usually use it around 10-12000 and it's not too bad.

    The loudest thing is the vacuum when I clean up after a cut.

    Finally got mine 'dialled in' past weekend and give it a full days workout cutting arcade machine panels at between 4000 & 7500 MM / minute and it did not miss a beat (except for a couple of human errors).

    Still need to put the e-stop and pause / resume buttons on there this week.


    Could not be happier with the kit and the service received from ooznest and Ryan.
     
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  12. GrayUK

    GrayUK Openbuilds Team Elder
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    ONE TEA
    Yes, you can read about home CNC's for ever! However, some of the biggest problems happen to people who do not bother to read enough. :( On top of that, it is always changing!

    All, and I mean ALL, the information is here, SOMEWHERE! Finding it can be a problem. You know the details were written down, you just can't find them again. :banghead:

    I would suggest always starting a New Thread however. It really does make finding information that little bit easier, and stops your enquiry getting lost. :)


    So, all the best with your new venture, but don't forget, if you get stuck, or can't find something, don't hesitate asking here in the Forum. Someone will know the answer. :thumbsup:
    Go for it!
    Gray
     
  13. OneTea

    OneTea Well-Known
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    That's good to hear. I was going to start with an enclosure to keep the dust contained. My design will leave room for adding soundproofing if it is needed.

    Does anyone know the dimensions of the 750x1000 with steppers attached?
     
  14. Chillimonster

    Chillimonster Veteran
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    I've found one of the best ways of keeping dust down is keeping the spindle speed at the right level. Too high and it just turns the MDF to dust.

    Get it right and you end up with a nice layer of 'chips' around the cut.
     
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  15. Ryan Lock

    Ryan Lock Master
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    @OneTea Welcome to world of cnc, thanks for choosing us!

    We have a vacuum attachment on ours to keep the fine dust at bay, however the vacuum is probably louder than the machine

    With the motors it is 880.35mm

    Ryan
     
  16. crazynight

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    Am close to hitting buy on a 1000x750 OX from ooznest, but not sure about the controller, was originally looking at MACH3 controller, motor and PSU kit from eBay for £200 ish but then got thinking support might be easier if I purchased everything from Ooznest; there XPro controller is out of stock so seem to be back to plan A of the eBay purchase. any words of wisdom from anyone?
     
  17. eddiejr

    eddiejr Journeyman
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    That's a real nice Assembly Manual! (Totally superior than the ones Ikea makes.) :)

    I'm a bit curious... What program did you use for the illustrations? What program did you use for layout?

    Thanks. -Eddie
     
  18. Ryan Lock

    Ryan Lock Master
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    @crazynight Good to hear you are close. If you can wait i am hoping that the xPros will be back in stock mid next week, fingers crossed.

    @eddiejr Haha thanks! I just use the drawings function in our modelling program, creo, to make the exploded views with BOM's.

    And then use adobe framemaker to bring it all together.
     
  19. eddiejr

    eddiejr Journeyman
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  20. Chillimonster

    Chillimonster Veteran
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    Ben working the Ox hard for the last week or two cutting test panels for the arcade machines i make.

    Got the final product finished last night.

    The OX has performed flawlessly.
     

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  21. Ryan Lock

    Ryan Lock Master
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    Nice work! some really thick pieces you are cutting there.
     
  22. Chillimonster

    Chillimonster Veteran
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    Thanks

    Everything is 18MM - tend to cut fast, but shallow (5000m / min at 3.5 - 4.5mm depth, with s pindle speed at 12k on a 3mm twin flute bit)
     
  23. Sancho

    Sancho New
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    Hello! Very excited to be finalizing my order for a 1500mm x 1500mm Ooznest Ox. Hoping to get some last bits of advice.

    Planning on @mel earp z travel mod (on page 7), so I'm ordering two extra lengths of 20x80x1500, and assuming he's attaching his custom plates with Tee Nuts and Low Profile Bolts - what length bolts should I get? Depends on the thickness of the aluminium I make my plates with I suppose?

    Because of the large size, Ryan (super helpful) suggested 345oz Motors and extra GT3 Belts for double belting. Sounds good!

    I'm partial to the TinyG and plan to follow this guide for TinyG and Quiet Cut Spindle. I would like to use the Ooznest Mount which has an OD of 71mm as opposed to the Spindle's 52mm, so I'll follow @davestrength lead (on page 5) and get a spacer made unless one of these spindle mounts would work better?

    My goal is to cut mostly sheet material for building small sailboats. Lots of plywood, some fiberglass laminates, a bit of aluminum, some foam... What bits would you recommend? Was thinking something simple like an End Mill Starter Set. Again, I'm a total beginner.

    Sourcing components in Canada is pretty awful so if you think there is anything I'm missing a heads-up would be appreciated. Thanks in advance, excited to be a part of this community.
     
  24. Piero87

    Piero87 Well-Known
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    Amazing works! I have a question, adding two V-Slot 2040 in front and back reduce the height of work for the z-axis right? The spoiler board will be too much colse to The spindle? OX CNC had only one 2040 back and front, and give more height space to work, is this a problem?
     
  25. Ryan Lock

    Ryan Lock Master
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    @Piero87 the current setup we have gives you an inch of cutting depth, which in most cases is enough. Using just 20x40s, like the original OX would give another 20mm of cutting depth. Some users of our machines have put an extra set of 2040 underneath the machine to raise it up for the same effect.
     
  26. Piero87

    Piero87 Well-Known
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    Ok thanks for your answer! i have some other question:
    1) So with the current setup is 2.54 cm of depth right? (i think in cm :))
    2)If i use just one 20x40 V-Slot in front and back i have to change also the Center Table support with a 20x40 slot instead of a 20x80 right? and in that case i can use anyway Ooznest Y-End-Plates (to add maybe in future)? or i have to use a simple 5 Hole 90 Degree Joining Plate like the OX CNC?
    3) how some user have put an extra set of 2040 underneath? you have a pics?

    Thanks!!
     
  27. Ryan Lock

    Ryan Lock Master
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    1) With a 12mm spoiler board, the max cut depth is 28.5mm
    2) Yes would also have to swap the spoiler board supports, you could still use our end plates.
    3) If you go to page 7 of this thread @mel earp & @davestrength have done this mod.

    Ryan
     
  28. Piero87

    Piero87 Well-Known
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    Thank you very much for you answer, i have different question about Power Supply and electronics, i want use 4 Nema 23, Arduino + gShield v5 and a spindle like this:

    Quiet Cut Spindle

    I have also found this guide of Shapeoko:

    Inventables Blog: Shapeoko Upgrade - Quiet Cut Spindle with gShield and Relay

    This is the list of question :)

    1) You think that i can follow that guide? or you suggest something else?
    2)I really need a 48V 350W power supply? for all 4 motor and the spindle? Or you think something different like a different power supply only for the spindle or one more powerful? can only one power supply power all?
    3) You think the spindle si good?

    Thank you very much!!
     
  29. Ryan Lock

    Ryan Lock Master
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    Ok, I can't see why you can't follow that guide.

    Are they powering the controller off the same 48V PSU? Personally i would have a separate 24V PSU for the controller.

    I have a similar setup on one my OX Machines using a brushless 400w spindle run off the xPro though, and it worked great, very quiet.

    Ryan
     
  30. Piero87

    Piero87 Well-Known
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    Yes in that guide they use the same PSU of 48V, you think is bad?
    You have two separate PSU? so you have to power on each one or you have make a single power button?
     

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