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Ptfe y splitter for bambulab ams

Y splitter specifically designed to work with bambulab ams system to connect spool without needing to remove ptfe tubing
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updated April 30, 2023

Description

PDF

I didn't like available models, so I designed one on my own. I had 4 main goals in mind while designing it:

  1. It has to work reliably with ams system, just like there never was anything in between.
  2. Minimal hardware required.
  3. Easy to insert filament. As easy as inserting it to the PTFE tube that doesn't have splitter.
  4. Easy installation.

I think that this model checks all of those boxes. 

Ptfe connects collinear with the other tube. in middle there is 3d printed groove that has y-split for manual feeding. 

 

Hardware:

4*M4x20mm bolts

4x M4 heated inserts (or nuts)

I used these:

https://cnckitchen.store/products/gewindeeinsatz-threaded-insert-m4-standard-50-stk-pcs

Print is designed to work with 4mm heated inserts and bolts, but also works really well with nuts and bolts.

Printing:

I recommend printing in orientation that is in the 3d file.

I used default settings on bambulab x1 carbon. 

Please test that filament feeds effortlessly trough the block before assembling to see if there is need to modify slicer settings.

There is difficult bridging that may be needed to remove with something sharp to enhance it's reliability. 

Installation:

  1. Insert heated inserts with soldering iron
  2. Assemble it but leave it loose. 
  3. Remove straight ptfe connector from printer
  4. Install both ends of ptfe tube, each 15mm in to the block. Remember correct installation direction, it only works in one direction
  5. Tighten screws.
  6. Test it's functionality 

Additionally you can deburr inside of PTFE tube that it feeds to.

 

 

Here is gif on how it works:

Gif on how well it clamps ptfe tubing 

Tags



Model origin

The author marked this model as their own original creation.

License