Direct-drive Simplified by Sailor96

Last crawled date: 3 years ago

Uploaded 1/22/2017UPDATES:
1/24/2017 624 bearing idler id change to a more press fit, widened out the lip for the extruder flange so that it wasn't so tight to install, changed the other nut hole to 3mm also1/24/2017 PTFE inner and outer ports implemented as well as further tweaking with size and simplicity1/26/2017 624 bearing is now held by a flat head m4 bolt and nut.
Widened the PTFE counter-bores. Widened the cold-end flange height. Removed strange flange that prevented easy idler inspection and cleaning2/27/2017 Stiffened the 624 bearing holder, and also now does not need a flat head to fit a bolt head to hold the bearing.
With more to come!
for 1.75mm extrusion
Remixed around cheap Chinese hot end off eBay, and existing designs.
BOM
BOLTS:
M3 X 5 (3)
M3 X 20 (4)
M3 X 50 (4)
M4 X 10 (1)
NUTS:
M3 (5)
M4 (1)
ALSO:
624 BEARING (1)
PTFE FOR 1.75MM FILAMENT (ABOUT 40MM)
CABLE TIES (6)
Optional 40 mm fan
Changes:
Standard OD for the cold end (16mm flange OD & 12mm shaft +.1mm/-0mm), with a flange height of 5mm. Idler remade for a 624 bearing. Spring tension idler is now made fore a m3 nut & bolt. Modified to hold PTFE for minimal resistance by request. Also Idler modified to use m4 flat head bolt to reduce play.
Description @ Nitrositos carriagehttp://www.thingiverse.com/thing:1964847
"A carriage remix.
You can use flanges to hold.
And use the 4 screws to anchor the extruder completely.
Un remix del carriage.
Puedes usar bridas para sujetar.
Y usar los 4 tornillos para anclar el extrusor completamente."