<![CDATA[SoliForum - 3D Printing Community — Changed from 1.75 to 3mm, now having problems]]> 2015-11-02T20:10:25Z PunBB https://www.soliforum.com/topic/10617/changed-from-175-to-3mm-now-having-problems/ <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> Where is the soda can being used in this application?  I appear to be overlooking a photo that mentioned earlier in the thread.

]]> https://www.soliforum.com/user/5430/ 2015-11-02T20:10:25Z https://www.soliforum.com/post/108728/#p108728 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> richh001 wrote:

I do like that now I have the ability to change nozzle size without messing with the thermocouple.

Agreed! And the insulation too. I have always been a sucker for modular designs anyway.

Be sure to post back here if you find anything new.

]]> https://www.soliforum.com/user/8708/ 2015-04-10T13:34:19Z https://www.soliforum.com/post/92618/#p92618 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> Most definitely, but that would result in lower temperature settings on the controller.....I doubt that I will try it.

Time to just leave well enough alone, but I do like that now I have the ability to change nozzle size without messing with the thermocouple.

I will try ABS in a few days, and see how it works....

That's cool that Filastruder seems to work well with all sorts of plastics now, and up to 3mm..!!

]]> https://www.soliforum.com/user/9317/ 2015-04-10T13:29:45Z https://www.soliforum.com/post/92617/#p92617 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> richh001 wrote:

I am now wondering what will happen if the thermocouple gets moved to the end nozzle...

If you move the thermocouple farther away from the heater, then I would think that would make the barrel hotter, or at the very least it would cause the temperature to fluctuate more. I don't know much about thermodynamics, just a guess.

]]> https://www.soliforum.com/user/8708/ 2015-04-10T12:27:17Z https://www.soliforum.com/post/92611/#p92611 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> It might have slowed down a little bit.

5-maybe 6 inches/Min.
2.85 ~ 2.86 mm.----------real good tolerance.
PLA
I would say that there is also a bit less duty cycle on the heater.


I like having the melt filter back in.
I don't have a clue to what will happen with ABS, but, it shouldn't be a big deal.

As you know, even the smallest changes will change the thermal properties of everything.......

I am now wondering what will happen if the thermocouple gets moved to the end nozzle...

]]> https://www.soliforum.com/user/9317/ 2015-04-09T17:01:14Z https://www.soliforum.com/post/92546/#p92546 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> Nice idea, I've thought about that. I think I have a 1/4" NPT tap already as well.

How's the output rate and diameter tolerance looking relative to your previous solution?

]]> https://www.soliforum.com/user/221/ 2015-04-09T16:22:27Z https://www.soliforum.com/post/92531/#p92531 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> This is it.............

Drill and tap 1/2" nozzle with melt filter to 1/4 NPT.
Install 1/4 X 1/8 steel male-female adapter
then install 1/8" Brass plug drilled out to filament size.
Insulate all the way down to tip of brass nozzle.
Use a aluminum can heat shield with hole in the bottom, and adjust according to how much tip cooling you need.
No Teflon tape.

Tighten all fittings after a good heat-up

]]> https://www.soliforum.com/user/9317/ 2015-04-09T15:29:42Z https://www.soliforum.com/post/92522/#p92522 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> You are correct, for some reason I get the 2 mixed up and always thing 3/4 is 1/2.
My eyes are old and dim.
I will change my posts...

]]> https://www.soliforum.com/user/9317/ 2015-04-08T14:50:19Z https://www.soliforum.com/post/92416/#p92416 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> richh001 wrote:

but, first use a 3/4 X 1/2 brass female adapter, then 1/2 X 1/4 steel female adapter to minimize heat conductance, then a drilled 1/4 brass plug for a nozzle. That way, everything is easily drilled.

There are no 3/4" parts on a Filastruder. Everything is 1/2" NPT. Just don't want folks to buy the wrong thing.

]]> https://www.soliforum.com/user/221/ 2015-04-08T14:32:54Z https://www.soliforum.com/post/92409/#p92409 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> elmoret wrote:

Only remaining data is an output speed report. We know the normal nozzle did 1.75mm filament at 24"/min. 3mm filament has 2.93 times the area, so I'd expect ~8"/min at 3mm if the nozzle isn't affecting anything.

8 was a good guess. It is averaging exactly 8" /minute.

]]> https://www.soliforum.com/user/8708/ 2015-04-07T18:48:14Z https://www.soliforum.com/post/92310/#p92310 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> Only remaining data is an output speed report. We know the normal nozzle did 1.75mm filament at 24"/min. 3mm filament has 2.93 times the area, so I'd expect ~8"/min at 3mm if the nozzle isn't affecting anything.

]]> https://www.soliforum.com/user/221/ 2015-04-07T18:28:10Z https://www.soliforum.com/post/92309/#p92309 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> Sounds good. I'll keep an eye out to see what you find. Let me know if I can help in any way.

]]> https://www.soliforum.com/user/8708/ 2015-04-07T18:20:41Z https://www.soliforum.com/post/92308/#p92308 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> Less surface area to transfer heat as well.

I'll try to explore this. None of my machines use 3mm so I haven't had much need for 3mm, but it sounds like this might be useful for folks doing non-ABS materials at 3mm.

Thank you for sharing, josh/rich! If others have questions, I'll point them towards this thread so they can try it out and report back.

]]> https://www.soliforum.com/user/221/ 2015-04-07T18:18:08Z https://www.soliforum.com/post/92307/#p92307 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> I don't see why not. But I wonder if it'd effect anything having less surface area to cool.

]]> https://www.soliforum.com/user/8708/ 2015-04-07T18:15:32Z https://www.soliforum.com/post/92306/#p92306 <![CDATA[Re: Changed from 1.75 to 3mm, now having problems]]> Hmm. I think with a 1/2" x 1/8" reducer there'd be enough area for a melt filter nozzle.

Steel is more of a pain to machine, slower at least and goes through tooling faster. Would be best to keep the melt filter geometry on the brass bit.

]]> https://www.soliforum.com/user/221/ 2015-04-07T18:12:25Z https://www.soliforum.com/post/92304/#p92304