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Printable Drag Chain!

by gwc, published

Printable Drag Chain! by gwc Oct 6, 2012

Description

A drag chain fully printable that only requires 2 M3 bolts, and 2 M3 nuts. The rest of the bolts that appear on the picture are optional for holding in place the wires.

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Yep, sorry for the delay, I glue them, but you may use two nuts if you wish.
Screws are optional, just for keeping the cables inside. Most drag chains have a roof, it serves as such, you don't need all of them, just a few, but you will need to glue the bolts or tighten them with two nuts.
What are the screws for? Looking at the images posted, it appears they aren't the hinge points.

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Instructions

Print the following items:

  • 1x EslabnFinalM8-B.stl (End link that goes attached to a M8 rod)
  • 1x EslabnFinalScrew-A.stl (end link that goes screwed to a board)
  • ?x Eslabn.stl (normal links)

The heatbed of the Prusa Mendel (It 2) uses 11 normal links.

After you print you may need to drill the holes for a perfect fit and also sand the surfaces that are going to be in contact. Lubricant will help!

Note: when uniting the links together the A part of the links (the one with the big hole) may brake a bit. As long as the main circular structure is still in place it will work perfectly.

What are the screws for? Looking at the images posted, it appears they aren't the hinge points.
gwc - in reply to AbuMaia
Screws are optional, just for keeping the cables inside. Most drag chains have a roof, it serves as such, you don't need all of them, just a few, but you will need to glue the bolts or tighten them with two nuts.
how do you find the bolts and nuts? do you tighten them with 2 nuts so that they are still free to twist? otherwise there may be issues with nuts comming loose :s locktite is also good for this :)
Yep, sorry for the delay, I glue them, but you may use two nuts if you wish.
It is amusing to see how many people design and print something, thinking they are the first. A search will reveal many have done this. Don't worry too much, I did the same thing.
 i use the fully printable one on my prusa, so neat.
gwc - in reply to ronthomp
I know there are another models, still i didn't like them this is a bit simplier to fit toghether and it uses very little plastic :p

That is why I made this design. Also the end-links werent very useful for my intentions with the drag chain.
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