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UltiBots CB3030 CNC

Discussion in 'CNC Mills/Routers' started by UltiBots, Jun 24, 2016.

UltiBots CB3030 CNC Router

UltiBots CB3030 CNC Router

Discussion in 'CNC Mills/Routers' started by UltiBots, Jun 24, 2016.

The UltiBots CB3030 CNC uses C-Beam, V-Slot and an extruded aluminum T-Slot work table. This allows 6mm T-Nuts, step clamps and blocks to secure materials to the work surface. The all metal design makes the use of a mister possible.

C-Beam CB3030 3030 t-slot Dewalt Desktop Personal DIY CNC
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  1. UltiBots

    UltiBots Well-Known
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    UltiBots published a new build:

    Read more about this build...
     
    #1 UltiBots, Jun 24, 2016
  2. Kyo

    Kyo Veteran
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    Nice render :thumbsup: I should have those side plate files updated and ready to post soon. Looks like the T-slot table you found is going to work nicely. Good Find!
     
    #2 Kyo, Jun 24, 2016
    Last edited: Jun 24, 2016
  3. EvanBruner

    EvanBruner Well-Known
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    Build looks good so far, where'd you find the t slot bed?
     
    #3 EvanBruner, Jun 24, 2016
  4. Kyo

    Kyo Veteran
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    Here is the link he provided over in my gallery. "Link"
    They have some cool options for a bed.
     
    #4 Kyo, Jun 24, 2016
  5. EvanBruner

    EvanBruner Well-Known
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    Cool, thanks. Wonder if they're any cheaper than misumis offering.
     
    #5 EvanBruner, Jun 24, 2016
  6. UltiBots

    UltiBots Well-Known
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    Evan - In single bed quantities (50cm x 50cm), they are roughly 2X more expensive but... I believe they are 2X better. They are 30mm thick, stable, flat, and have true t-nut slots. We have some on order and expect to test next week.

    Research shows they will work with 6mm t-slot nuts, step clamps, and step blocks from LittleMachineShop.
    Screen Shot 2016-06-24 at 8.15.25 PM.png
     
    #6 UltiBots, Jun 24, 2016
  7. Buj

    Buj New
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    With this type of design, i would have one question/worry that is; the wheels that run on the top rail of the Y axis gets clogged/blocked by debris and hinder the movement in the Y axis. Is this worry valid?

    BTW great job...
     
    #7 Buj, Jun 30, 2016
    Last edited: Jun 30, 2016
  8. 3DMON

    3DMON New
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    Looking good Brad!
    Let me know when you get the mister going and cutting. I wanna check that puppy out!
    Shaun
     
    #8 3DMON, Jun 30, 2016
  9. UltiBots

    UltiBots Well-Known
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    @Buj I suspect it will be OK as both X-Carve and Shapeoko have exposed wheels and they are quite popular. Not sure yet as this machine has yet to make chips. Currently waiting on t-nuts to secure bed to lower frame. . Will find out soon...

    @3DMON will call you when the CB3030 is relocated to our warehouse. This machine needs a sturdy work bench and compressor before the mister mists ;)
     
    #9 UltiBots, Jun 30, 2016
  10. jonathan lee

    jonathan lee New
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    Love the build, it looks phenomenal :) I am a cnc neewbie and I am panning to soon build my 1st machine. Do you mind putting out a parts list?
     
    #10 jonathan lee, Jul 2, 2016
  11. UltiBots

    UltiBots Well-Known
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    Thanks for your support. This was a fun build. Started with a stock C-Beam Machine Mechanical Bundle, then designed and machined new plates for this build. Learned SO much and still learning... The UltiBots CB3030 CNC BOM is very preliminary but should get you thinking.
     
    #11 UltiBots, Jul 2, 2016
    Last edited: Jul 3, 2016
  12. jonathan lee

    jonathan lee New
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    Thank you so much but could you please accept me to the link you sent me on google drive
     
    #12 jonathan lee, Jul 2, 2016
  13. UltiBots

    UltiBots Well-Known
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    @jonathan lee try link again. Permissions are now "Anybody with link can view"
     
    #13 UltiBots, Jul 2, 2016
  14. GrayUK

    GrayUK Openbuilds Team Elder
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    #14 GrayUK, Jul 3, 2016
  15. UltiBots

    UltiBots Well-Known
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    @GrayUK nice find. They have lots of goodies! I hope to start chipping again soon.

    Thanks for sharing - Brad
    www.UltiBots.com
    ==================
    CB3030 CNC
    Dewalt 611
    Elaire 1/8" Collet
    1/8" Single Flute Carbide End Mill
    Workflow = Fusion 360 & Cam > Chilipeppr > Tinyg
    Feeds & Speeds For 6.5mm 6061 T6 Aluminum Plate
    - All operations = Conventional Milling
    - Cutting = 25"/min (635mm/min), Ramp = 10"/min (254mm/min), Plunge = 8"/min (203.2mm/min)
    - Adaptive (bearing recess) = .4mm multiple depths, 0.2 deg ramp
    - Contour cut (bearing finish) = 0.1mm stepover finish and repeat @ 254mm/min
    - Bore cut (screw holes) = 0.25mm pitch, 0.1mm finish pass and repeat
    - Contour cut (perimeter) = 0.05 deg ramp angle, 0.1mm finish and repeat @ 254mm/min
    - Pocket cut (not used) = 0.25mm rough & 0.2mm finish, 3mm max stepover
     
    #15 UltiBots, Jul 3, 2016
    Last edited: Jul 3, 2016
  16. Julius

    Julius Well-Known
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    stop using bits for plastics and you'll be able to cut faster. I can cut faster then that with my first OX and a 4$ china bit. I did 1700mm/min at 0.3mm depth with a 1/8 bit before cut quality suffered and I have a VERY sloppy Z on that machine.
     
    #16 Julius, Jul 4, 2016
  17. UltiBots

    UltiBots Well-Known
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    @Julius - Please share a link to the bits you use. I would like to try them. Thanks - Brad

    BTW... the bits I have been using were detailed by Neo7CNC on his YouTube channel
     
    #17 UltiBots, Jul 4, 2016
  18. Julius

    Julius Well-Known
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    I get them from this guy, this is the bit I was cutting with.
    1/8" Carbide Endmill 4 Flute Flat Bottom Regular

    My Z is too sloppy for longer metal work, but I know my new machine (with a C beam Z) will be able to plow through aluminum like a champ.
     
    #18 Julius, Jul 4, 2016
  19. UltiBots

    UltiBots Well-Known
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    @Julius - thanks for sharing link; placing an order today. Looking forward to > Feeds & Speeds :thumbsup:
     
    #19 UltiBots, Jul 5, 2016
  20. Savvas

    Savvas New
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    Yep this is a great looking machine. I was planing to build something similar with already available components but your plates look a lot more elegant.
     
    #20 Savvas, Jul 8, 2016
  21. Barry Danks

    Barry Danks Well-Known
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    #21 Barry Danks, Jul 8, 2016
  22. UltiBots

    UltiBots Well-Known
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    @Barry Danks - Thanks for the link. The 2 Flute Carbide 120-2125 End Mill looks good for cutting aluminum plate. What are you cutting, your feeds and speeds, and end mill?
     
    #22 UltiBots, Jul 9, 2016
  23. Kyo

    Kyo Veteran
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    First cuts are looking good :thumbsup:
     
    #23 Kyo, Jul 18, 2016
  24. Barry Danks

    Barry Danks Well-Known
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    @UltiBots

    Sorry don't know how I missed your post. I have used the 1/8" 2 flute and 4 flute when cutting aluminum. The four flute gives a better finish but you have to be real careful about chip loading, I only use it with my mister, but makes a mess :) Feed and speed I generally go by sound
     
    #24 Barry Danks, Jul 18, 2016
  25. C-Line

    C-Line New
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    Really great looking build, Brad -- many thanks for sharing it!

    1. I noticed that in the photos the front and rear Y-axis end plates are different (the rear ones have extensions for the motor standoffs), but only the front ones are included on the Github site. Will you be adding the rear ones, or have you decided the extensions are not really necessary?

    2. Will you be offering the plates for sale at your website anytime soon?
     
    #25 C-Line, Aug 5, 2016
  26. UltiBots

    UltiBots Well-Known
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    @C-Line - I have uploaded the latest files to our GitHub. We plan to sell pre-production plates for $80. The raw materials are ≈ $40, setup time ≈ 1 hr, and machine time ≈ 4 hrs. These will be machined on our UB3030 CNC and will not meet machine shop tolerances. You will need to do some prep work to them; deburr the edges, ream through holes, and tap motor holes. Please email sales )at( ultibots dotcom or call 772-257-one thousand if interested.
     
    #26 UltiBots, Aug 8, 2016
  27. C-Line

    C-Line New
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    Thanks, Brad -- that seems very reasonable.
     
    #27 C-Line, Aug 10, 2016
  28. C-Line

    C-Line New
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    I've been reviewing the BOM (which I realize is a work in progress) and came across a few things I couldn't figure out.

    On the Y-axis, which wheels get the eccentrics? Also, the 8mm spacers are used only on the fixed wheels, correct? (BOM shows enough for all wheels). And why use the 2X 1mm spacers with the 6mm eccentrics instead of just using 6mm spacers on the fixed wheels?

    Sorry if these are simple-minded questions, but this is my first build with this system!
     
    #28 C-Line, Aug 10, 2016
  29. UltiBots

    UltiBots Well-Known
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    @C-Line - please refer to the source files on our GitHub and the image below. The eccentrics go in the 7.2mm holes. Essentially the upper 2 wheels and the lower 2 mini wheels.


    Regarding spacers... Our prototype used 6.5mm plate which needed 8mm spacing to keep the mini wheel screws from from contacting the C-Beam. The BOM will be updated soon.
     
    #29 UltiBots, Aug 11, 2016
  30. C-Line

    C-Line New
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    Thanks, that makes sense after looking at the plate drawings.

    Will the pre-production plates be 6mm thickness? Also, what is your approximate lead time for a set of those?
     
    #30 C-Line, Aug 12, 2016
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