1

Topic: when extruding directly to the printer...question.

When you're extruding while printing, how far does the extruder need to be from the printer? Also. what dimensions are the base of the filastruder? I want to build a mount that works with my current set up.

2

Re: when extruding directly to the printer...question.

You can't extrude directly to the printer, there's no way to synchronize the feedrates of the two machines.

3

Re: when extruding directly to the printer...question.

In the other post you said

The Filastruder is already fast enough to keep up with 2-3 printers - as long as the extruder is on when the printer is on, you'll have filament.

Is that not what you meant? that you can directly extrude right to the printer?

4

Re: when extruding directly to the printer...question.

Both on at the same time doesn't mean one is feeding the other.

How could it feed 3 at one time, anyway? What I meant was that a Filastruder produces filament 3 times faster than a printer consumes it.

5

Re: when extruding directly to the printer...question.

I was thinking you meant there were 2-3 types of machines that have done it lol, just a misunderstanding on my part. I guess the question now would be how far from the floor should it be?

6

Re: when extruding directly to the printer...question.

wrong

sculptify do that!!!

7

Re: when extruding directly to the printer...question.

fredaxe wrote:

wrong

sculptify do that!!!


I just looked that up, it's pretty neat, but not for sale yet and I'm willing to bet it'll be pretty expensive.

8

Re: when extruding directly to the printer...question.

http://richrap.blogspot.fr/2014/12/no-m … ersal.html

9

Re: when extruding directly to the printer...question.

I saw that too and it's pretty awesome, I'm not sure that I have the technical skills to make one for my printer though lol

10

Re: when extruding directly to the printer...question.

The difference being, and what is the main point of the original question, is that that machine is printing from pellets not making filament.

If you build it they will come. Then they will make fun of it, tell you it's not worth doing and go home and try to copy you.
If a picture is worth a thousand words then being there is worth a thousand pictures.

(2) Stock Makerbot Z18s, Filastruder w/Melt Filter, Filawinder, Autodesk Inventor Design Suite 2014 .........so far.

11

Re: when extruding directly to the printer...question.

fredaxe wrote:

wrong

sculptify do that!!!

No, it isn't wrong. It is not realistic to feed a printer from a filament extruder, synchronizing the two is nearly impossible. Filament extruders operate in steady state (constant output) to hold constant filament diameter. Printers have variable feedrate, depending on what part of the print they're working on.

Sculptify doesn't have a filament extruder, it has an auger based print head which can't do retraction, has poor color mixing, is much heavier than filament based print heads, etc.

Same story with RichRap's creation.

12

Re: when extruding directly to the printer...question.

elmoret wrote:

Sculptify doesn't have a filament extruder, it has an auger based print head which can't do retraction

Well that's a useless printer then, isn't it?

Solidoodle 4

13

Re: when extruding directly to the printer...question.

That was my point, yes.

14

Re: when extruding directly to the printer...question.

The rich rap guy said it would retract if you pulled up on the auger.

15

Re: when extruding directly to the printer...question.

Saying it would work and it actually working are two different things. Note that he didn't publish photos of actual prints.

16

Re: when extruding directly to the printer...question.

Ya, I think it's still more of an idea than anything at this point.

17

Re: when extruding directly to the printer...question.

best use of a pellet extruder right here, http://3dprint.com/34873/3d-printed-lawn-mower/

i would much rather use my filastruder and a volcano though, but i might be a control freak.

18

Re: when extruding directly to the printer...question.

Who needs stepper motors when you have a drill?

http://3dprint.com/wp-content/uploads/2015/01/mower-cheetah.jpg

19

Re: when extruding directly to the printer...question.

I can "imagine" it being possible with a filastruder if you put it on the filawinder for 5-10 turns enough for the winder to tension the spooling mechanism correctly and then spool it of and have some meters slack to feed it finally into a printer.

but then struder, winder and printer need to be reliable enough to run for days without end for such a setup to make sense, i guess 2-3 kilo spools are the easier solution