r/AdditiveManufacturing
3D printing Nylon Tips and advice
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Hi, My company is making zipper heads out of carbon fiber reinforced nylon (PAHT-CF) and we are running into an issue of scaling up our process. Right now we have a design we are happy but have discovered that given our material choice we have to print by object instead of by layer since the cooling that happens in between layers pulls the whole model that it warps the whole zipper head. The issue is that with doing print by object I no longer have a prime tower with which to get the support material, ABS, flowing again. Watching the video last night it would be the ABS's turn to print and nothing would come out before it switched back to the nylon. Would switching to fully nylon supports be a good answer? Can anyone give me their experiences with this material and the methods or tools you used to get this completed? My company is willing to upgrade our printer, from a X2D to a H2D, since having the different support material does seem to be a very useful thing to have. edit: we have a number 30 zipper that was are using, which is gigantic, here's a picture of one of our doors. https://www.tuffwrap.com/wp-content/uploads/2024/03/Article-3-TuffWrap-EXT-Zipper-Door.jpg So we need a really big zipper head that is really tough to handle closing during high winds while still standing up to UV from the sun. and here is a picture of a number 30 zipper that we use.
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[comment u/No_Educator_4077] Throwing another vote in the hat for MJF/SLS if you are willing to outsource (or invest in something like a formlabs Fuse).