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Thread: Itty Bitty Double Extruder
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12-09-2014, 11:40 AM #101
- Join Date
- Nov 2014
- Location
- Kentucky, US
- Posts
- 70
How about this one instead? Says it is for close work and does not have the M extender.
http://www.amazon.com/SHAVIV-151-292...eywords=shaviv
Jim
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12-09-2014, 05:20 PM #102
- Join Date
- Dec 2014
- Posts
- 17
Started printing the parts and the extruder block in 1.75 and in 3mm says not manifold.
Did you print it anyway?
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12-09-2014, 10:48 PM #103
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12-10-2014, 04:27 PM #104
Almost done waiting on a few parts. I must say this is a well thought out and nice design.
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12-10-2014, 08:18 PM #105
Waiting on belts from China. Everything's gone together nicely.
IMG_20141210_203014_578.jpg
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12-10-2014, 09:47 PM #106
Lookin' good. I hear you on the China part. I actually have all of the parts in now for the kits, except the bearings. Hong Kong post miscategorized the package as ammunition and sent it back to the supplier.
Nice.
Paperwork is corrected, and it's in flight again. I'll be ready to ship as soon as they arrive.
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12-11-2014, 07:46 AM #107
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12-11-2014, 08:41 AM #108
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12-12-2014, 05:20 AM #109
- Join Date
- Nov 2014
- Location
- Orange, CA
- Posts
- 78
200g is really good for that TQ and the length fits within the belts
maybe a Nema 17ver is called for clough42
and my i3v is on it's way
keep an eye on the build log for updates
this mod will be on the list very soon
i just ordered 2mm pitch acme for my printer i want to get z a little faster and lets face it 4000 steps per mm is over kill 1000 steps per mm is damn good
2mm acme +16micro is still 1600 steps and if you take that in to account with the limits of the ATmega chips at around 16,000-18,000 steps per second
16000/1600 net me a max safe speed of 10mm/s in the Z axis
16000/80 is 200mm/s X or Y
this number has some flex to it but just remember each output stacks so a 100mm/s in Y and 100mm/s in X stacks to 200mm/s
this is thanks to the single core mini pin head of a brain AVR based controllers have
i wish amtel had a plain atmega with a 80mhz clock so normal firmware worked with lite mods and not a full rewrite.
but hey that just a dream right lol
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12-12-2014, 08:59 AM #110
- Join Date
- Jul 2014
- Location
- Eastern Colorado
- Posts
- 536
If that 2mm acme works out for you, I may try that at some point. Sure, the .8mm pitch rod that came with the kits allows a theoretical 0.00025mm layer height, but I never attempted anything below 0.1mm layers. I don't think I'll have any need to get that level of detail in Z.
My 3D Norn Emissary print
09-13-2024, 02:28 AM in 3D Printing Gallery