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E3D Hemera Direct Kit or Bowden V6 for Sapphire Plus?

Posted by Peleg 
E3D Hemera Direct Kit or Bowden V6 for Sapphire Plus?
December 20, 2020 10:29AM
Hi,
Should I upgrade Sapphire Plus to E3D Hemera Direct Kit, Bowden V6 or maybe something else?
I'm concerned that a moving mass of about 400 grams may cause ringing.
BTW, aren't 6mm belts, to narrow, for such massive machine?
Thanks
Re: E3D Hemera Direct Kit or Bowden V6 for Sapphire Plus?
December 29, 2020 06:44PM
If the printer is rigid enough you'll be fine.

I just switched from Bowden to direct.
I'm happy with the change back to direct drive. Bowden was fun, but prefer direct.
Having 1.5mm vs 5mm retracts have seemed to make a good difference with zits.
I used a pancake stepper with 18 ozin and a BMG Dual Drive Clone Extruder. (has a 3:1 gear reduction)
Print speeds at 60mm/sec. All is good!

Side Note. my full size nema 17 is about 12.5 ounces (352g). This pancake is about 4.2 ounces. (121g)
I never weighed the whole extruder setup though...


--------------------------------------------------------
Custom all metal CoreXY
- Duet 2 Wifi w/ PanelDue 7i
- 330mm x 360mm x 500mm
- 750w Silicon heater

Custom Mendel90
(Backup printer - Old reliable!) - Sold
Re: E3D Hemera Direct Kit or Bowden V6 for Sapphire Plus?
January 21, 2021 06:08AM
Quote
Peleg
I'm concerned that a moving mass of about 400 grams may cause ringing.

Hi, how about an orbital extruder, well below 200 gr?
Re: E3D Hemera Direct Kit or Bowden V6 for Sapphire Plus?
January 21, 2021 06:33AM
If you want to print flexible filament, Bowden is out.


Son of MegaMax 3D printer: [www.instructables.com]
Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]
Re: E3D Hemera Direct Kit or Bowden V6 for Sapphire Plus?
January 21, 2021 10:00AM
Actually... I'm working on an idea right now that could change that. I'm considering posting it in the "Let's design something" Thread, but that seems to be particularly barren. I don't want to hijack this thread, so I'll post somewhere else and then edit this with a link.
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