Hi people, I have this V3B nozzle all jammed up on my printer.
I tried to take apart my barrel and nozzle but I ended up destroying the threads underneath the nuts, and the barrel still wouldn't move. And that's after I left the barrel and nozzle together in acetone for a few days.
I did try heating the assembly with a heat gun and some plastic did ooze out the back but I still cannot see any light at the end of my barrel/nozzle assembly. I don't know if the heat gun got hot enough but I don't own a propane torch.
Seeing as how the above poster had his barrel snap in two, I guess I'll quit while I'm ahead and then stick my barrel/nozzle back in acetone.
Is the V4 less prone to jamming or at least easier to take apart?
How To: Clean the V3b Barrel and Nozzle with a Propane Torch
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Re: How To: Clean the V3b Barrel and Nozzle with a Propane T
It is marginally less prone to jamming, significantly easier to take apart, and more expensive than buying a bunch of used V3Bs from the for-sale section on the forums. I'm pretty sure if you post a "want to buy: V3Bs" you'll get several hits for $10-15 for complete hotends (not just nozzles) ready-to-go.
Custom 3D printing for you or your business -- quote [at] pingring.org
Re: How To: Clean the V3b Barrel and Nozzle with a Propane T
Acetone dissolves ABS, converts PLA into gum, and bounces off nylon and PETG, so the results depend on which filament you're using.SnitchyCat wrote:stick my barrel/nozzle back in acetone
For PLA, you can try old-school nasty paint stripper with methylene chloride, but IIRC the concentration isn't high enough to get inside where it'll do the most good.
An informative series of tests:
http://www.vinland.com/blog/?p=68