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2:1 reduction that can be placed any where on C-Beam

Discussion in 'General Talk' started by Ronald van Arkel, Aug 15, 2016.

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  1. Ronald van Arkel

    Ronald van Arkel Veteran
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    This project is on hold but we do have something "new", just jump to this post: 2:1 reduction that can be placed any where on C-Beam

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    So, this is the idea; a 2:1 reduction that can be placed any where on the C-Beam, besides that, a bearing block can be used to free up the end of the C-beam so both ends of the C-Beam are free and easier to mount on other V-Slots/C-beams.

    Some highlights:

    - 2:1 Reduction or 1:2 speed-up
    - Only one large eccentric spacer needed for adjustment (custom, not OpenBuilds part)
    - Special plate on both sides when gear reduction is implemented, one plate is needed for 1:1 or 1:2 speed-up
    - Can be used with 8mm straight rod for double drive Y-axis with single motor
    - 1040mm Acme screw can reach 990mm movement (with OpenBuilds XL gantry plate on a 1500mm C-Beam
    - 1300mm screws can reach 1220mm/4' ;)
    - Low noise, less heat, compared with spur gears
    - Stock GT3 (3GT, GT2 3mm)

    Not cheap, but we'll see how it evolves.

    Just an early picture:

    upload_2016-8-15_17-17-39.png

    -Ronald
     
    #1 Ronald van Arkel, Aug 15, 2016
    Last edited: Dec 9, 2016
    Kyo and Barry Danks like this.
  2. Barry Danks

    Barry Danks Well-Known
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    #2 Barry Danks, Aug 15, 2016
  3. GrayUK

    GrayUK Openbuilds Team Elder
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    It's easily done, but, I'm confused? Maybe when some more pictures turn up. (I hope!) :rolleyes:
    Gray
     
    #3 GrayUK, Aug 16, 2016
  4. Paul Stoller

    Paul Stoller Journeyman
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    I like the iteration, getting it down to one plate is brilliant!
     
    #4 Paul Stoller, Aug 20, 2016
  5. Mark Carew

    Mark Carew OpenBuilds Team
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    Very cool Ronald! :thumbsup:
     
    #5 Mark Carew, Aug 21, 2016
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  6. Brandoneous

    Brandoneous New
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    Awesome! You are very talented. Excellent work!
     
    #6 Brandoneous, Aug 27, 2016
  7. Gary Caruso

    Gary Caruso OpenBuilds Volunteer
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    Very cool reduction, But for the acme why not just use TR8*4 instead of TR8*8? the 8*4 has 4mm of travel per turn instead of 8mm?

    Love the UHMW Rack!

    Oh and is that a new type of C-Beam on the way?
     
    #7 Gary Caruso, Dec 13, 2016
    Last edited: Dec 13, 2016
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