Etxruder and nozzle sharing
Posted: Fri Jul 20, 2018 7:59 pm
My M2 has always allowed me to swap filament colors or empty rolls effortlessly while printing. Just let it print and snip the old filament or let the spool run out and chase the old filament down the hole with the new one. Easy peasy. 3x in the last week, I got a jam while attempting to do this. I removed the filament drive and discovered the problem. The hole immediately below the filament guide bearing has worn and it allows the old filament stub and the new filament to create a logjam and get stuck (they both try to go through one hole side-by-side instead of end-to-end). Time to print a new one, and I'm planning on doing it in ABS. I generally print with PLA or PETG, rarely ABS. So rarely, in-fact, that I'm still on my first or second roll of the stuff. I do have two separate hot-ends. Originally, I used to swap between them because I always got a jam shortly after switching from PETG to PLA, although I never had issues going in the other direction. In the mean-time, I've refined my technique and now never have trouble going PLA to PETG or PETG to PLA with a single nozzle.
Questions:
If you are going to share one nozzle across multiple materials, which materials work best through a shared nozzle? Which cause the most trouble when switching between them? Should I use the spare hot-end for the ABS, or is it ok through the same one that I've been using for PLA/PETG? Any tips?
What is the factory infill setting for the drive assy on a V4 extruder?
cheers,
c
Questions:
If you are going to share one nozzle across multiple materials, which materials work best through a shared nozzle? Which cause the most trouble when switching between them? Should I use the spare hot-end for the ABS, or is it ok through the same one that I've been using for PLA/PETG? Any tips?
What is the factory infill setting for the drive assy on a V4 extruder?
cheers,
c