Any thoughts n the E3D Titan extruded?

A forum dedicated to the stock LulzBot TAZ 3D Printer
PeterT
Posts: 157
Joined: Mon Jan 04, 2016 5:50 pm

Any thoughts n the E3D Titan extruded?

Post by PeterT » Mon Apr 11, 2016 11:00 am

Saw a YouTube video of this new assembly from e3d. Wondering if there are any thoughts around it. Is it a potential improvement over the stock Taz unit?
Taz 5
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Piercet Anti wobble Z-nut
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ttabbal
Posts: 298
Joined: Wed Nov 11, 2015 4:20 pm

Re: Any thoughts n the E3D Titan extruded?

Post by ttabbal » Mon Apr 11, 2016 11:29 am

I was just considering starting a thread about it. I like the idea of having one extruder for both hard and soft filament. I don't know enough about extruder design to know if their claims are worth anything though.

kcchen_00
Posts: 1721
Joined: Thu Feb 19, 2015 12:42 am

Re: Any thoughts n the E3D Titan extruded?

Post by kcchen_00 » Mon Apr 11, 2016 6:35 pm

Its an interesting geared design. I like the compactness of the extruder. The replaceable guide for printing both 1.75 and 3.00 is interesting also... and seems to extend close enough to the bearing and hobbed gear to work with flexible filaments.

I'd give it a shot... but would require a mount for the x-carriage.

lasersharkdesign
Posts: 53
Joined: Wed Dec 30, 2015 1:19 pm

Re: Any thoughts n the E3D Titan extruded?

Post by lasersharkdesign » Fri Apr 22, 2016 5:19 am

PeterT wrote:Saw a YouTube video of this new assembly from e3d. Wondering if there are any thoughts around it. Is it a potential improvement over the stock Taz unit?
I ordered one and it arrives today. Once I get it installed and run some quality tests I'll post my results (and any custom parts I may need to print)

nopick
Posts: 1026
Joined: Mon Sep 09, 2013 11:14 am

Re: Any thoughts n the E3D Titan extruded?

Post by nopick » Fri Apr 22, 2016 10:25 am

I have one on the way as well. I think it might need a half height motor to fit on the carriage without pushing the nozzle tip forward of the stock location.

ttabbal
Posts: 298
Joined: Wed Nov 11, 2015 4:20 pm

Re: Any thoughts n the E3D Titan extruded?

Post by ttabbal » Fri Apr 22, 2016 10:51 am

I'm curious to see what people think of it, the ideas seem decent, but real life sometimes doesn't cooperate. I've seen people suggest the short stack NEMA 17s to reduce weight saying that the gear reduction should still have plenty of torque.

Wonder if one could mount the Hexagon stuff to it... Then I wouldn't have to build a wiring harness... Just me feeling lazy. :D

lasersharkdesign
Posts: 53
Joined: Wed Dec 30, 2015 1:19 pm

Re: Any thoughts n the E3D Titan extruded?

Post by lasersharkdesign » Mon Apr 25, 2016 10:54 am

So I just got it installed into the printer and it's heating up to 285 for the final nozzle tightening. It was a LOT of work, requiring a whole new X carriage - I think thats the proper term - the piece that the motor, gears, etc all mount to with the 'blade' at the bottom that self centers on the X axis.

I went with a design that has the motor flush with the back of it, touching the X carriage piece. I figured that this way, as much of the motor weight as possible as as close to the X rails as possible. The farther out you put it, the more it could cause the rails to twist, giving you some sag. Closer center of gravity.

Because of that I had to move the fan that cools the print to the other side (and reverse it's angle).

The stock fans that come with it to cool the heatsink are 12v, I decided to connect them to the Extruder 1 Fan output, and if you run that at 50% speed, it gets 12v, and works great. An added side effect is I can turn the fan off when not printing.

It was a LOT of work. I'll post pics and stuff in a bit once I get this going and do a few test prints.

My TAZ extruder had extra crap on it - a capacative leveling system, an extra fan on the heat sinks. It weighed 762 grams.

The new one, with the Titan, with the same/equilivant equipment on it weighed in at 611 grams - 20% less weight. That's using a standard NEMA17 motor, NOT one of the shorter ones. Didn't spend the money on it yet. If I switch up to that smaller motor, I'll probably knock off another 20% in weight.

I'm not sure how much reducing the X carriage weight by 20% will effect print quality/max speed, but at 20% less mass to accel/decelerate, it HAS to be a decent improvement.

lasersharkdesign
Posts: 53
Joined: Wed Dec 30, 2015 1:19 pm

Re: Any thoughts n the E3D Titan extruded?

Post by lasersharkdesign » Mon Apr 25, 2016 11:33 am

Welp, I'm pretty sure I was shipped 12v heating elements with my E3D nozzles instead of 24v.

I was about to post that I was shocked how quickly the hot end heated up, it was making 9 degree jumps at a time. I got it up to 285 and realized I couldn't reach the nozzle to finishing tightening it, so I jog the Z axis up a few times, then it stops. What? I look at the LCD - thermal runaway protection error. Probably because of the 285 I'm trying. So I reset the printer, hit 280 this time, and it doesnt heat. At all.

Fuse still works (the extruder fans are on).

Pretty sure I just killed the 12v heating element. Looks like I'm going shopping. I'll post a test print update once I finally get a print done.

nopick
Posts: 1026
Joined: Mon Sep 09, 2013 11:14 am

Re: Any thoughts n the E3D Titan extruded?

Post by nopick » Mon Apr 25, 2016 11:42 am

My Titan arrived last weekend. I am looking forward to seeing your mount.

lasersharkdesign
Posts: 53
Joined: Wed Dec 30, 2015 1:19 pm

Re: Any thoughts n the E3D Titan extruded?

Post by lasersharkdesign » Wed Apr 27, 2016 7:26 am

Ok, made a mount which had issues and I'm now printing v2 of that mount (using the v1 to do it! I love how meta that is :) - the main issue was support for the motor/hotend. It had some sag, so I added some supporting structure.

The files and details are available here: http://www.thingiverse.com/thing:1523837

Here are two very prototype pics of v1 of my mount. Excuse the wires everywhere - I keep modifying things and learned a long time ago not to clean it up and make it pretty until I know I'm not tweaking anything else. Like I said, version 2 in the link above has extra support structure to it to keep the motor/hotend from sagging. Those supports are not in the pictures below:

Image

Image

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