D3D Extruder: Difference between revisions

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{{Hint|This page has been archived for historical purposes (see [[Universal Gearless Extruder]] as OSE's main development branch as of 2020}}
#redirect [[Universal Gearless Extruder]]
 
=v18.12=
==Part Library==
*Bracket - [https://www.thingiverse.com/thing:1477900/remixes] - STEP + STL
*Check out drawings from E3D - [https://e3d-online.dozuki.com/c/Titan_Aero_Drawings_and_Models]
 
 
=Build Instructions =
==September 2018==
<html><iframe src="https://docs.google.com/presentation/d/e/2PACX-1vR8gT-_z7QpaDZd0JSWHsiSYpq_BpqYl6UD8KquT3U6vQzI7DxJ69x8EMOSKlJ8772GUDFX4jP5wRrZ/embed?start=false&loop=false&delayms=3000" frameborder="0" width="408" height="557" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe></html>
 
[https://docs.google.com/presentation/d/172KqbjetnginKONsxB2fh9P-IjfuogUx-CAq8Cvx_4Q/edit#slide=id.p edit]
 
==August 2018==
<html><iframe src="https://docs.google.com/presentation/d/e/2PACX-1vSIANEEq5HPDnEQ3zuNXLAh_GzZmv8K9m3KAbguXZWb2bejgINrDGR6dVrrtZ1zjYzla0Jf8ghaylFj/embed?start=false&loop=false&delayms=3000" frameborder="0" width="960" height="569" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe></html>
 
[https://docs.google.com/presentation/d/1KIu1cxAdYsfQuMsC22vkaRgfDtb8w9GjL_zW0v-OKbw/edit?ts=5b8044d7#slide=id.p edit]
 
=D3D Extruder Versions=
Currently, the Modified Prusa I3 MK2 version is being tested and evaluated and is considered the main trunk version.
 
==Modified Prusa i3 MK2==
{{Hint|D3D second version - Prusa i3 MK2 Original - OSE Adapted - Extruder - 7/18 current version - [[File:Prusa_i3_mk2_extruder_adapted.fcstd]] }}
 
*some build photos of one of these for D3D v18.07
**https://photos.google.com/share/AF1QipO_vJy5LnelYtt1yyu3jPUA7CKeSLrd9R06-eWy5oG7WsR8CwKOSO1_E3o7TKKafA?key=N0ktdFJzZk5ZZU5nMkRvUVFadlkwOUFITEZZeUxn
 
<html><iframe width="560" height="315" src="https://www.youtube.com/embed/videoseries?list=PLFs4-5d3gY5ozS70QF2hQ_lfTwOLcClXR" frameborder="0" allowfullscreen></iframe></html>
===CAD===
*[[File:Prusa i3 mk2 extruder adapted.fcstd]]
 
===CAM (3D Print Files of Modified Prisa i3 MK2)===
3d printable parts extracted to stl for the 8 mm height sensor with lowered sensor holder:
*New modified body with proper nut catcher, lowered sensor holder for 8 mm sensor -[[File:Extruder_mod_8mm.stl]]
*[[File:Prusa_i3_mk2_extruder_adapted_cover.stl]]
*[[File:Prusa_i3_mk2_extruder_adapted_idler.stl]]
*[[File:Prusa_i3_mk2_extruder_adapted_fanNozzle.stl]]
*[[File:Prusa_i3_mk2_extruder_adapted_bearingShaft.stl]]
*Just the interface plate - [[File:Prusa_i3_mk2_extruder_adapted_interface.fcstd]] - [[File:Prusa_i3_mk2_extruder_adapted_interface.stl]]
 
Lay the parts like this for packing fraction and proper overhang considerations:
 
[[File:prusaextruder.png]]
 
===BOM===
 
{{Hint|m3x20 for print cooling fan is missing from BOM. So is m3x35 for attaching the magnetic quick attach.}}
<html><iframe src="https://docs.google.com/spreadsheets/d/1WNRJfb56ilHlIcdcz5cS92sy0QnUK5MiNVzNW1Jf7Lc/pubhtml?widget=true&amp;headers=false" height=400 width=650></iframe></html>
 
[https://docs.google.com/spreadsheets/d/1WNRJfb56ilHlIcdcz5cS92sy0QnUK5MiNVzNW1Jf7Lc/edit#gid=0 edit]
 
 
===vBOM===
<html><iframe src="https://docs.google.com/presentation/d/e/2PACX-1vRpuNhZ9IeqXOSMPiSd-BwuOGuF95rsY7OBhH_M6izx2nw60rFAheDfd3qvPlVRscD8K9islJ7mrbVN/embed?start=false&loop=false&delayms=3000" frameborder="0" width="960" height="569" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe></html>
 
[https://docs.google.com/presentation/d/1l05C_XZbEyRR8SyY3q4D-qVYQQJwL4bn0x73lgD4FLY/edit#slide=id.g1861bf60d5_0_6 edit]
 
===CAD File Downloads===
'''Simple Extruder Holder'''
 
[[File:extruderholder.png]]
 
*FreeCAD -[[File:motor interface.fcstd]]. I used M4 nuts for the nut catcher, but for the screws I used added the https://www.mcmaster.com/#90116a217/=14gcc4s that are already in the universal axis, in order to avoid adding a new item to the BOM
*STL - [[File:motor interface.stl]]
 
===Technical Notes on the Prusa i3 MK2===
*See build manual for the i3 MK2 extruder from Prusa Research (which is discontinued) - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en]
*Note that the extruder uses a Universal v6 heat sink ([https://e3d-online.com/v6-heatsink-1-75mm-universal-with-bowden-fitting] - good for Bowden and Direct) - which has a Teflon liner up to the cold part of the heat break. This Teflon liner sticks into the 3D printed parts to make feeding of filament smoother - see Step 5 - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s1803] - and video in Step 11 - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s5459]
*Note that we need washers around bearing - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s1810]. We printed the bearing shaft and it works well.
*About 13 mm of idler spring distance when tightnened - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s1813]
*E3D discussion - 3mm and 1.75 mm should work on Prusa i3 -[https://wiki.e3d-online.com/E3D-v6_on_Prusa_i3] - but that is older Prusa, not MK2.
*'''E3D v6 assembly instructionals''' - how to assemble a hot end. Do the tightening on the nozzle - NOT on the heat break. Heat break is designed thin to be a heat break - so it can break off easily. [https://wiki.e3d-online.com/E3D-v6_Assembly]
*Note that E3D Universal heat sink has a Teflon insert. 3mm direct doesn't. Bowden has a larger insert than Universal. Universal works both as Bowden and direct. [https://www.filastruder.com/products/e3d-heatsink-v6?variant=752744329]
 
===Screws===
These are the screws used in the Prusa i3 MK2 OSE Mod.
*2 hex nut in cover - one inserted deep into cover - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s2067], and second for fan mount arm - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s1804]
*2 hex nuts inserted into body - left one in this picture- [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s2067] and the second one under the heat sink - [https://www.facebook.com/photo.php?fbid=10214037511068992&set=a.2106813187074.2106894.1147870130&type=3&theater]
*1 square nut in body - right one in this picture - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s2067]
*2 square nuts in tensioner - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s1809]
*M3x8 for the attachment of quick attach tool mount to body, under the heat sink. Can use socket or philips head.
*M3x40 is good for tensioner
*[[File:check.png]][4] '''M3x18''' for small heat sink fan - [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s1821]. 2 are way sufficient
*'''[[File:check.png]]m3x20''' for print cooling fan are needed - or m3x25 can be used but one screw is too long and needs spacer to limit its length
*M3x18 and M3x25 for cover closure - socket cap - can't be panhead for the 25 mm because need to countersink head -[https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s1809]
*[2] '''M3x35''' socket head are ideal for motor attach through quick mount plate - as oppesed to 30 mm of [https://manual.prusa3d.com/Guide/5.+Extruder+Assembly/114?lang=en#s1809]. The third socket cap should be 30 mm. M40 is acceptable in all cases here, but require carriage to remove 2 of the 6 mm bolts, and third one needs spacers
*Springs are 24 mm long. Too long - need to be 13 mm
*[[File:check.png]]M3x18 for nozzle
 
 
 
=Replications=
Here are details of replications of the D3D extruder by version.
General notes on the build can live here, but fine details are on replication wiki pages.
 
==Prusa i3 MK2==
===Prusa i3 MK2 with Volcano Nozzle===
*[[D3D Extruder v1708]]
*Designs are available for a Volcano nozzle retrofit - https://www.thingiverse.com/thing:2117460 (note: cover of extruder is missing holes, update needed)
*full vetting is cataloged on facebook presently.
 
===Prusa i3 MK2 Stock Nozzle D3D ohio===
*[[D3D Extruder v1807]]
*Made from D3D Ohio [D3D_Ohio_v18.02] 12" PVC varient of the D3D
*uses stock nozzel of E3D V6 J-head Direct Hotend which is 1.75mm
*See [[D3D_v18.07]],[[D3D_Ohio_v18.02]] (pending) for the printer this was used in.
 
===2018-06 Notes===
 
These were noted by [[User:Maltfield]] when he attempted to build the D3D extruder from the part files on this wiki in 2018-06.
 
# There is a hole missing in extruder body which should receive the bolt for mounting motor <br/> [[File:constructingD3DExtruder_2018-05.jpg|200px]]
# Some of the bolts appear that they're supposed to be nut-less, simply catching on the 3d printed plastic. this is a bad design that doesn't work in practice. The places where there's a slot for dropping a nut catcher in perpendicular to the bolt work great, and that design should be replicated for all bolts.
 
[[File:printingD3DExtruder_2018-05.jpg|200px]]
 
=Working Document=
 
=Development Document=
 
<html><iframe src="https://docs.google.com/presentation/d/1kY7kP4ktcQKncVK8DTZ8BorsePT0FEozmA62Vswyv2w/embed?start=false&loop=false&delayms=3000#10" frameborder="0" width="960" height="569" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe></html>
 
[https://docs.google.com/presentation/d/1kY7kP4ktcQKncVK8DTZ8BorsePT0FEozmA62Vswyv2w/ edit]
 
=Exploded Part Diagram=
 
<html><iframe src="https://docs.google.com/presentation/d/1ROX80Z86D29coyUvumiEWGUn6RTM3-nN3W-aE_P84xc/embed?start=false&loop=false&delayms=3000" frameborder="0" width="960" height="569" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe></html>
 
[https://docs.google.com/presentation/d/1ROX80Z86D29coyUvumiEWGUn6RTM3-nN3W-aE_P84xc edit]
 
===Part Files===
====3D Printed====
*Extruder Idler - [[File:idler.stl]] - [[File:idler.fcstd]]
*Extruder carriage side - [[File:carriage side.stl]] - [[File:carriage side.fcstd]]
*Extruder motor side - [[File:motor size.stl]] [[File:motor side.fcstd]]
<!-- *Fan cover - [[File:fannozzle.stl]] - [[File:fannozzle.fcstd]] Marcin I commented out because this part is already incorporated to the file:"motor side of the body" The only small difference is the bottom left "arm" that is sticking out. I do not know what is the role of that "arm" yet -->
 
====Other Parts====
*Stepped motor - [[File:nema17.stl]] - [[File:nema17.fcstd]]
*Pulley - [[File:pulley.fcstd]] - [[File:pulley.stl]]
*8mm bearing - [[File:8mm bearing.stl]] - [[File:8mm bearing.fcstd]]
*E3D V6 - [[File:E3Dv6.stl]] - [[File:E3Dv6.fcstd]]
 
 
=Tech Tree of Choices=
This is what choices went into each version of the extruder.
We go from Tech tree of choices -> Industry Standards -> Technology Assessment -> Value Proposition
 
*These are all the different ways to implement an extruder for a 3D printer. This includes filament makers.
:*Hit Ctrl-mouse scroll to zoom in
<html><iframe width='1200' height='580' src='https://embed.coggle.it/diagram/WIjeuX6xzIR7f-Et/92962f0eef0a05d36bda8a4b9aba72d127791c9b3e070508259857cb0324d98b' frameborder='0' allowfullscreen></iframe></html>
 
[https://coggle.it/diagram/WIjeuX6xzIR7f-Et edit]
 
=Genealogy=
*[[MK8 Extruder]]
*[[Prusa i3 MK2 OSE Mod]] Extruder - 2018 version
 
=Links=
*[[D3D]]
 
[[Category:D3D]]
[[category:3D Printer]]

Latest revision as of 15:35, 2 May 2020

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