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Distance of centers in OpenRail!

Discussion in 'General Talk' started by Manuel García, Oct 19, 2015.

  1. Manuel García

    Manuel García Well-Known
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    Can someone tell me what is the distance from shaft centers in OpenRails?

    In V-Slot are 40,30mm for 20x20 profile, but in OpenRails??

    Thanks!
     
  2. Rick 2.0

    Rick 2.0 OpenBuilds Team
    Staff Member Moderator Resident Builder Builder

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    The plates are set up for 24,6 plus extrusion width. (i.e. 44,6 for 20mm extrusion etc.) I can't personally verify though. If you need something more accurate it is best to do a test setup and personally take measurements from that.
     
  3. Manuel García

    Manuel García Well-Known
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    Oh, thanks!!! Also looks that VSLOT plates are 39,7mm and not 40,3mm like this plate.

    I'm confused about this difference (+-6mm).

    Regards
     
  4. Rick 2.0

    Rick 2.0 OpenBuilds Team
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    That's why I suggest a test setup. While the official line is 39,7mm, on the Extreme Solid V-wheels I get anywhere from 40,13 to 40,49 depending on the piece of rail the assembly is fitted to. (I checked with a 20x20 and the narrow edge of two 20x40s and a black 20x60) And while these are still within the range of an eccentric nut's adjustability it is best to start with something slightly under the final spacing. I typically use section depth + 20mm for the wheels noted above.
     

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