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Solidoodle Jigsaw Replacement Extruder mk4

by lawsy, published

Solidoodle Jigsaw Replacement Extruder mk4 by lawsy Feb 6, 2013

Description

Still based on tek's mk1 design and developing the mk2 derivitives of Jeffery Sanders.

Featuring a new quick release hot end system and adjustable x-axis end stop screw. This extruder is even simpler to assemble and requires even less nuts and bolts.

Video demonstration of hot end change:
youtu.be/1w0qsRLDrN4

Recent Comments

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what is the z offset?

when i slice with the newest Version, it screws over my settings and over-extrudes

really nice work i just adjusted height of the bearing a little more up to get more grip. :)

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Instructions

Print all parts at 50% fill or greater for strength.

Tensioner arm may require extra perimeters to eliminate gaps.

Users not wishing to use the quick release system can use the older mk3 retainer as it is more stable.

Instructions can be found here:

soliforum.com/topic/1265/jigsaw-replacement-mk4/

Dimensions in mm.

Comments

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swordfish on Jan 17, 2014 said:

what is the z offset?

m4rten86 on Jan 17, 2014 said:

really nice work i just adjusted height of the bearing a little more up to get more grip. :)

egerbo on Sep 24, 2013 said:

The body of the extruder would not slice for me. It said the model had a hole and when it sliced it was wrong. Anyone had similar issues and figured out the problem? I figure it's probably something I'm doing wrong since so many other people have been successful with this.

lawsy on Sep 24, 2013 said:

I just downloaded and tested this and Repetier-Host 0.90C with Slic3r 0.9.10b said it was manifold with as expected slicing results.

I remember one of the recent versions of RH/Slic3r would tell me everything wasn't manifold and stuff up constantly. Thankfully the next update fixed it. Are you using the newest versions?

Dogodile on Jun 28, 2013 said:

higher z-stop for aluminum beds http://www.thingiverse.com/thi... beautiful extruder btw.

FatalDischarge on May 13, 2013 said:

Lawsy, I noticed in the SKP there is an extruder fan shroud with PEEK cooling as well as material cooling. Why was it never posted on its own?

pyrophreek on May 14, 2013 said:

Thanks for pointing this out, I modified it for a 40mm fan and posted it. Hoping it works well, printing now.

nasferatu on May 13, 2013 said:

I have just broke my second acrylic piece, and am currently unable to print. would someone be willing to print this for me. I have a paypal account, just let me know the cost and shipping. Any help would be greatly appreciated.

GoolGaul on Apr 7, 2013 said:

I printed and installed this...

The top of the hot-end was tweaking the alignment of the lower piece, so I had to do some precision sanding to get it to fit nicely.

Using the acrylic tensioner arm, I was repeatedly getting filament bending out forward of the pinch-roller section, and thus losing 100% traction and killing my prints. The filament feed path just didn't line up properly...

the following adjustments got it working 100%:
1) I had to shift the hobbed pulley forward about half a millimeter.
2) I had to file the back end of the mount point @ the tensioner arm pivot point, and shim up the front with a tine washer, thus shifting the whole tensioner arm forward.
3) took apart the tensioner bearing, and moved one washer from the front to the back of the bearing - shimming the tensioner bearing forward.

With just a few tweaks, Lawsy's masterworks have made my SoliDoodle 1 step closer to being a nice manufacturing-grade machine. You rule!

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