Search found 68 matches

by moejt
Tue Jun 28, 2016 8:39 am
Forum: LulzBot TAZ
Topic: ABS fume extraction and temperature inside enclose?
Replies: 8
Views: 2696

Re: ABS fume extraction and temperature inside enclose?

FYI for the fear mongers. I did a little more research for you. I'm no expert regarding their testing procedure but I did try to find out a little more information on hard numbers and filtration ratings. I tried to find the actual particle sizes of printer emissions. Per the article. "We should note...
by moejt
Tue Jun 28, 2016 8:18 am
Forum: LulzBot TAZ
Topic: ABS fume extraction and temperature inside enclose?
Replies: 8
Views: 2696

Re: ABS fume extraction and temperature inside enclose?

My comment was more directed towards exhausting heat from the chamber. But that's cool, we can derail this thread. All research just shows there are particles. Yes. And that "fumes maybe equal bad? But no actual evidence to back it up". I've actually read through the articles with all of their techn...
by moejt
Tue Jun 28, 2016 8:01 am
Forum: LulzBot TAZ
Topic: TAZ 6 - Weak bed adhesion compared to Mini
Replies: 9
Views: 2570

Re: TAZ 6 - Weak bed adhesion compared to Mini

Measuring bottom layer thickness it sounds like an exercise in futility (maybe I'm wrong, just my feelings on it). Mainly I can tell bottom layer thickness (to low/to high) just by watching the first layer print. I generally how for over sticking though as I print difficult parts. I would just print...
by moejt
Thu Jun 23, 2016 1:15 pm
Forum: LulzBot TAZ
Topic: Modified Taz Speed trials - 40mm Calibration cube
Replies: 33
Views: 7993

Re: Modified Taz Speed trials - 40mm Calibration cube

Interesting. I didn't even think about Marlin and software being a limiting factor. That's really good information to know. So I guess on parts that we care about having a some what decent surface finish on (especially on curved surfaces) We are limited to lower speeds due to software? It's an inter...
by moejt
Thu Jun 23, 2016 12:15 pm
Forum: LulzBot TAZ
Topic: Modified Taz Speed trials - 40mm Calibration cube
Replies: 33
Views: 7993

Re: Modified Taz Speed trials - 40mm Calibration cube

Sorry I should have clarified. I'm more referring to your Standart print settings of 90mm/s to 150mm/s. At this point I'm trying to just achieve a realistic print speed for quality printed parts. There tends to always be something subpar every time I attempt to print faster like 90mm/s of anything b...
by moejt
Thu Jun 23, 2016 9:58 am
Forum: LulzBot TAZ
Topic: Modified Taz Speed trials - 40mm Calibration cube
Replies: 33
Views: 7993

Re: Modified Taz Speed trials - 40mm Calibration cube

I'm curious, Have you tweaked your "jerk" settings at all? I didn't see anything OK them in your profile. What do you have yours set to? I've had great luck printing simple objects with your settings (like a cube). You can still see a bit of a seam in the corners though. Now I'm just trying to dial ...
by moejt
Tue Jun 21, 2016 2:20 pm
Forum: Hardware
Topic: Thinking about a dual extruder with 1 stepper & 1 nozzle
Replies: 12
Views: 4711

Re: Thinking about a dual extruder with 1 stepper & 1 nozzle

This is interesting....

I'd be all for building something like this, EXCEPT for the filament purge... I just question if this is truly the best way of dual extrusion. It has gotten me thinking though.
by moejt
Mon Jun 20, 2016 12:13 am
Forum: LulzBot TAZ
Topic: Use only one extruder of Dual Extruder v2
Replies: 15
Views: 6434

Re: Use only one extruder of Dual Extruder v2

Do you really want the extra weight of the dual extruder for a single filament print? The extra mass will require you to slow the tool head speed down to accommodate the extra weight (weight that you aren't even using). Basically you will have to print at a slower speed to get the same results that ...
by moejt
Mon Jun 20, 2016 12:05 am
Forum: Hardware
Topic: Desktop injection molding machines?
Replies: 5
Views: 3208

Re: Desktop injection molding machines?

Save yourself the headache and don't try. There is a huge amount of science, mathematics and engineering that goes into one injection molding. Plastic has to flow smoothly into the mold, it has to be fast, the plastic needs to cool evenly, it needs to be removable, it needs get into all the crevices...
by moejt
Fri Jun 17, 2016 10:50 pm
Forum: LulzBot TAZ
Topic: My Printing Journey.
Replies: 40
Views: 8075

Re: My Printing Journey.

What speed are you printing at and are you using "minimum layer time". I ask because your cubes corners and their "meltiness" look very similar to when I was doing speed trials at over 200 mm/s. You're getting some mid print shrinkage and delamination because of your fan I assume. But then you look ...