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Diamond hotend Nozzle -Kossel / Delta mod.

by Rhuuk, published

Diamond hotend Nozzle -Kossel / Delta mod. by Rhuuk May 21, 2015
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Summary

This is a v1 of the Diamond Nozzle refitted for a delta printer, using my 40mm effector.

there are a couple of reasons for the effector arm connections being so low on the part:

  1. delta printers tend to like a low center of gravity. putting the arm braces up towards the top would have made the entire effector act abit like a pendulum.
  2. the arms need a certain amount of space so that you can actually run the m3 screws through it. this was about as close to the bottom as I could get, and still imagie clearance for the 3 hotends assembled on top of it. still, the tolerances are going to be tight for mounting m3 bolts with m3 nuts. you may have to turn to reversing flat heads to go from the inside out.
  3. looking at the fan positioning, it would interfere with the arms at the outer edges, compromising you ability to maximize your real estate on your print bed. moving them closer to the base hopefully moves the bulk up above the arms and gives enough clearance for the entire head.

this was mounted in such a way that each hot end would feed up towards an arm, so as to make mounting, bowden runs and tie-down's simpler and aligned with each arm.

this hasn't been proven yet with an actual diamond head nozzle, so if anyone print one and assemble it for proofs, please let me know if you do and any adjustments that need to be made.

Instructions

used sketchup to clean the 1st part and remove the side bracket.
used 123d to merge the 2 parts and cut out the difference using the metal nozzle model.

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Would you share an editable fie? I printed it but it limits the movement of the head too much with larger beds

Rhuuk,
Is there anyway you use you creative again to add some sort of Z probe?

interesting you mention that... I could take another look at it again, and see what might be possible. my latest revision has been all about moving to magnetic arms. i may re-introduce an updated version as such...stay tuned. ;)

Looking at the sample picture of this thing (picture shown above), it looks like there could possibly be room for a mount just under the channel made for the wires. What are the 2 slotted holes for just below ?

Aug 31, 2016 - Modified Aug 31, 2016
Rhuuk - in reply to Eddiie

i dunno what those holes were originally for, i imagine to pull the wiring inside to one side.

I never had much luck with z-probes, and found that a well-tuned delta printer does not benefit much from z-probing. My attempts failed with marlin and repetier too many times that I long since moved away from z-probes. still, I made a mod to include a mount for the new BLTouch probe for this model here but i do not believe it will work, as they will be in the arms' way.

Yeah, pull the wire inside to one side!!

Sep 1, 2016 - Modified Sep 1, 2016
Eddiie - in reply to Rhuuk

So Desert made a removable Z probe for the V6 hotend and I took it and added a cone so it fits on the diamond hotend.

Check it out - http://www.thingiverse.com/thing:1747401

It uses a microswitch at the tip. Neat idea..

meh?

Removable Diamond Hotend Z Probe
by Eddiie

Added IR probe, 3mm holes, and a wire harness holder..

http://www.thingiverse.com/thing:1789685

Diamond Hotend Delta Mini Kossel IR Probe Effector 3mm
by Eddiie

i can't say it works, simply because i haven't gotten the remaining hotends, but assembled w/ one it fit snug. suggest using ABS is possible. let me know how it goes.

Well? Does it work? I ordered my diamond nozzle a few days ago and can't decide too upgrade my i3 or my kossel

Same problem here!
I believe it fits better in a delta design, 3 corners, one for each stepper feeding the filament, also 3 sides, one for each spool...
However my Prusa i3 has a 200x300x180mm printing volume, against 190Øx250mm on the Kossel...

Anyway, anyone with photos of a complete assembly? Does it fit perfectly?

I am seeing my design on ebay and amazon listings, so i imagine there has been some successes.

You beat me to it! Thank you!

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