1 Topic by josh.aeauto

  • josh.aeauto
  • Member
  • Offline
  • From: South Carolina
  • Registered: 2014-12-29
  • Posts: 305

Topic: Breaking: E3D Volcano no longer dormant!

The E3D Volcano, dormant for some time, has erupted today!


All humor aside, I learned a valuable lesson today. Not sure how to get around it but I won't be loading filament with my extruder anymore.

Let me explain - on my new printer, I have a bowden setup. The hobbed gear is too tight against filament to push it by hand so what I usually do is tell E1 to extrude 900mm and that's enough to feed through the entire PTFE tube and purge 100mm.

However, today as I was loading a new spool of PC filament (at 300C) it got stuck on the lip of the heatsink. I noticed it because the extruder started clicking; I knew what happened, so I went over and moved the PTFE tubing a bit to help it out. Apparently it had built up some pressure because the instant I did, I heard a loud POP and the nozzle squirted out molten PC at enormous force. It had enough force to hit me in the face, a full arm's length away and a foot or two above the nozzle, barely missing my eyeball by a fraction of an inch. Maybe it was a coincidence, maybe not, but you can bet I'm going to come up with a better loading solution!

-Prusa i3 MK2s
-Airwolf HD2x w/ E3D v6 + Volcano
-Custom built Solidoodle 3 clone w/ E3D v6+ Volcano    -Solidoodle Press w/ E3D Lite6
Filastruder #1577

2 Reply by wardjr

  • wardjr
  • wardjr
  • Moderator
  • Offline
  • From: Minnesota
  • Registered: 2013-06-10
  • Posts: 5,624

Re: Breaking: E3D Volcano no longer dormant!

Bowden setups can be difficult to load, this is exactly why it's safer to loosen the tension arm and push through by hand.

Printit Industries Model 8.10 fully enclosed CoreXY, Chamber heat
3-SD3's & a Workbench all fully enclosed, RH-Slic3r Win7pro, E3D V6, Volcano & Cyclops Hot End
SSR/500W AC Heated Glass Bed, Linear bearings on SS rods. Direct Drive Y-axis, BulldogXL
Thanks to all for your contributions

wardjr's Website

3 Reply by grob

  • grob
  • grob
  • Member
  • Offline
  • From: Sydney, Australia
  • Registered: 2014-01-02
  • Posts: 900

Re: Breaking: E3D Volcano no longer dormant!

Oh no! Hope you're OK, sounds like that could have hurt/scarred! Thanks for sharing.

I've been trying to fix up an extruder with a release lever thing that pulls the bearing off the filament. Have one running at the moment, but it's a bit rough still and I have some way to go. I know something like the lawsy mk5 arm design allows you to just pop the spring out, but I find this quite fiddly to re-set.

Just seen a design with the filament path through the arm so a release would pull it away from the gear entirely, which would be even less fuss to feed by hand. Going to try a version of that idea next...

SD3. Mk2b + glass, heated enclosure, GT2 belts, direct drive y shaft, linear bearings, bowden-feed E3D v5 w/ 0.9° stepper
Smoothieboard via Octoprint on RPi

4 Reply by josh.aeauto

  • josh.aeauto
  • Member
  • Offline
  • From: South Carolina
  • Registered: 2014-12-29
  • Posts: 305

Re: Breaking: E3D Volcano no longer dormant!

Oh yea, I'm fine haha

I'm really interested in seeing what you come up with! Be sure to post it. I found lots of designs on thingiverse but I have somewhat of a problem finding anything compatible with 3mm... I might end up with designing my own. The one I am using now was designed for 1.75mm and I just drilled it out to work with 3; that's why it's too tight to push through by hand, even with the bearing released.

-Prusa i3 MK2s
-Airwolf HD2x w/ E3D v6 + Volcano
-Custom built Solidoodle 3 clone w/ E3D v6+ Volcano    -Solidoodle Press w/ E3D Lite6
Filastruder #1577

5 Reply by carl_m1968

  • carl_m1968
  • carl_m1968
  • Member
  • Offline
  • From: Far North almost not Dallas
  • Registered: 2014-10-17
  • Posts: 6,512

Re: Breaking: E3D Volcano no longer dormant!

This is why I like spring loaded tension arms. They supply enough tension to feed normally but you can push them down out of the way to feed filament by hand when needed.

Printing since 2009 and still love it!
Anycubic 4MAX best $225 ever invested.
Voxelabs Proxima SLA. 6 inch 2k Mono LCD.
Anycubic Predator, massive Delta machine. 450 x 370 print envelope.

6 Reply by grob

  • grob
  • grob
  • Member
  • Offline
  • From: Sydney, Australia
  • Registered: 2014-01-02
  • Posts: 900

Re: Breaking: E3D Volcano no longer dormant!

carl_m1968 wrote:

This is why I like spring loaded tension arms. They supply enough tension to feed normally but you can push them down out of the way to feed filament by hand when needed.

This is the idea, but it locks open instead of having to hold it open. smile

SD3. Mk2b + glass, heated enclosure, GT2 belts, direct drive y shaft, linear bearings, bowden-feed E3D v5 w/ 0.9° stepper
Smoothieboard via Octoprint on RPi

7 Reply by josh.aeauto (edited by josh.aeauto 2015-09-18 02:26:40)

  • josh.aeauto
  • Member
  • Offline
  • From: South Carolina
  • Registered: 2014-12-29
  • Posts: 305

Re: Breaking: E3D Volcano no longer dormant!

grob wrote:

This is the idea, but it locks open instead of having to hold it open. smile

My Airwolf has a neat setup on the extruder motor... it has an arm that is spring loaded and locks with a pin. You pull the pin out and the arm releases. Here's a really good picture from google (I'm not in the office right now) - I would love to come up with something similar but their design is "proprietary" and they won't give out the STL's. I suppose I could take it apart and reverse engineer it, but that's a project for another day...

http://soliforum.com/i/?59STOxE.jpg

-Prusa i3 MK2s
-Airwolf HD2x w/ E3D v6 + Volcano
-Custom built Solidoodle 3 clone w/ E3D v6+ Volcano    -Solidoodle Press w/ E3D Lite6
Filastruder #1577

8 Reply by carl_m1968

  • carl_m1968
  • carl_m1968
  • Member
  • Offline
  • From: Far North almost not Dallas
  • Registered: 2014-10-17
  • Posts: 6,512

Re: Breaking: E3D Volcano no longer dormant!

josh.aeauto wrote:
grob wrote:

This is the idea, but it locks open instead of having to hold it open. smile

My Airwolf has a neat setup on the extruder motor... it has an arm that is spring loaded and locks with a pin. You pull the pin out and the arm releases. Here's a really good picture from google (I'm not in the office right now) - I would love to come up with something similar but their design is "proprietary" and they won't give out the STL's. I suppose I could take it apart and reverse engineer it, but that's a project for another day...

http://soliforum.com/i/?59STOxE.jpg


There are many similar designs on thingiverse.

Printing since 2009 and still love it!
Anycubic 4MAX best $225 ever invested.
Voxelabs Proxima SLA. 6 inch 2k Mono LCD.
Anycubic Predator, massive Delta machine. 450 x 370 print envelope.

9 Reply by josh.aeauto (edited by josh.aeauto 2015-09-18 15:12:09)

  • josh.aeauto
  • Member
  • Offline
  • From: South Carolina
  • Registered: 2014-12-29
  • Posts: 305

Re: Breaking: E3D Volcano no longer dormant!

Here are some more pictures. I will see what I can come up with as far as reverse engineering it since I have failed to find anything on thingiverse that works for me.

The mount and tension lever are made from ABS, but the gears are made from Nylon.

On a side note, the quality control on this stuff is really not that great for a $4,000 printer. It was not printed with 100% infill, so the screws sink in a good bit. The nylon gears warped while printing. The bottom and/or top layers of the ABS and Nylon parts are not completely manifold (flow rate issue). The part pictured is the right extruder, but the left extruder mount arrived cracked (and still is) where one of the nuts are. Design is good, but the print quality is just not really what you'd expect for so much money...

Anyway, here are the pictures:

http://soliforum.com/i/?rNDZSIa.jpg

http://soliforum.com/i/?Lia84LO.jpg

http://soliforum.com/i/?EO5xYME.jpg

http://soliforum.com/i/?2Ilbj4j.jpg

-Prusa i3 MK2s
-Airwolf HD2x w/ E3D v6 + Volcano
-Custom built Solidoodle 3 clone w/ E3D v6+ Volcano    -Solidoodle Press w/ E3D Lite6
Filastruder #1577

10 Reply by elmoret

  • elmoret
  • Filastruder
  • Offline
  • Registered: 2012-10-11
  • Posts: 6,048

Re: Breaking: E3D Volcano no longer dormant!

They used printed gears on a $4k printer? sad

Filastruder - the robust, inexpensive filament extruder
E3Dv6 All Metal Hotend - the premier 3D printing hotend

11 Reply by josh.aeauto

  • josh.aeauto
  • Member
  • Offline
  • From: South Carolina
  • Registered: 2014-12-29
  • Posts: 305

Re: Breaking: E3D Volcano no longer dormant!

elmoret wrote:

They used printed gears on a $4k printer? sad

They absolutely did.

-Prusa i3 MK2s
-Airwolf HD2x w/ E3D v6 + Volcano
-Custom built Solidoodle 3 clone w/ E3D v6+ Volcano    -Solidoodle Press w/ E3D Lite6
Filastruder #1577

12 Reply by josh.aeauto

  • josh.aeauto
  • Member
  • Offline
  • From: South Carolina
  • Registered: 2014-12-29
  • Posts: 305

Re: Breaking: E3D Volcano no longer dormant!

Actually, as a matter of fact, for the price I was really surprised at the sheer amount of things that are printed on it... litterally, everything except the acrylic was printed - corner brackets, motor mounts, rod ends (is that what they're called?), rod mounts,  hotend mount (covered previously), spool holders, even the knob to adjust Z height...

Litterally, there is nothing on this printer you couldn't do yourself - just as good - with nothing more than a 3D printer and a laser cutter.

-Prusa i3 MK2s
-Airwolf HD2x w/ E3D v6 + Volcano
-Custom built Solidoodle 3 clone w/ E3D v6+ Volcano    -Solidoodle Press w/ E3D Lite6
Filastruder #1577