kmanstudios 1,120
4 hours ago, Coalwater said:I'm also having issues with nylon. It gets all smudgy and I can't seem to print a clean part, especially small ones like 2mm diameter pins. I also have the Printed Solid enclosure. At first I thought the enclosure made the ambient air too hot but I'm, not sure yet. To me it looks like I can't get the nylon to cool fast enough between layers. how big is your part? You should be able to do something by playing around with print speed, minimum layer time, etc...
Here's how my latest test turned out...
This will usually happen when the print does not stick properly and gets wound around the nozzle. Also, Nylon is very moisture sensitive. Not PVA sensitive, but you should always keep an eye out for cracks, pops and sizzles.
9 hours ago, Travis7s said:Hello all,
I am pretty much a 3D printing novice but I am in charge of an UM3 for my work. We just received it this week and we primarily want to print in nylon but I have never really got a print to the point that I like. The prints are very "scabby" and rough. I thought it may have been a levelling issue so i disabled active leveling and tweaked it manually. This seemed to work great for the first half of my print but then it went back to its scabby ways. (see photos)
Cura 3.2.1 with default setting for UM Transparent Nylon and 0.2mm layer. I updated the firmware yesterday as well although I can't recall the version off the top of my head. I also have the Printed Solid enclosure/door kit installed.
The other thing I am worried about is the nylon-moisture issues, is that something that could cause this type of issue? I opened the nylon filament on Monday and have not taken any steps to dry it out. (humidity is quite low here in Saskatoon right now however)
Any help would be appreciated, thanks.
Moisture was addressed above. But you can always change your layer thickness from the defaults. Also, adjust temps, speeds, etc. I suggest making a series of small cylinders and cubes just to do this as quickly as possible. Also, remember, not all nylon is the same. For nylon, so far, I have enjoyed the UM Nylon the most.
For long term drying issues, you may want to build a drybox or get the Polybox. This will be very important as your humidity builds up and may be using PVA (Much more moisture sensitive) and Nylon.
The dry box builds are aplenty out there on youmagine and thingiverse.
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Coalwater 1
I'm also having issues with nylon. It gets all smudgy and I can't seem to print a clean part, especially small ones like 2mm diameter pins. I also have the Printed Solid enclosure. At first I thought the enclosure made the ambient air too hot but I'm, not sure yet. To me it looks like I can't get the nylon to cool fast enough between layers. how big is your part? You should be able to do something by playing around with print speed, minimum layer time, etc...
Here's how my latest test turned out...
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