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So, it seems we are going to be build 3 Prusa I3 printers sometime in the future.
This page is an attempt to document it all, our own little BOM. (bill of materials)
Partslog
So I've started printing parts, first 3 sets, but now maybe 4...
Also, i've bought the spare motorstock from the0, 10 pieces of Wantai motors for 100. We still need 5 extra (Dupe doesn't need motors)
And we got a 4pi from Kliment (and some 624 bearings) for 100 euro. This is ment for the Fablab.
Regarding smooth rods, it seems profzon could still deliver them but is way too busy to do so now, so we will have to look elsewhere. He _is_ able to provide the M5 threaded rod and M8 nuts&bults and will do so ~quickly
Participants and Printer Plans
We have 4 participants in total.
Fablabwag
Stretched i3! 21x27x30cm printarea.
- Smooth 8mm rods; 2x 48 2x 54 2x 56
- M5 threaded rod; 2x 54
- Jhead 0.4mm 3mm filament
4pi electronics, and a raspi with octoprint. <-- already ordered
Laafwerpen
Special remix with foldable Y axis
- Smooth 8mm rods; 2x 47 2x 57 2x 56
- M5 threaded rod; 2x 54
- 2x Jhead 0.4mm 3mm filament
- Arduino + shield
Tall0ak
Totally stock i3, using the Arduino 2560 that Tall0ak already has.
- Smooth 8mm rods; 4x 47 2x 41
- M5 threaded rod; 2x 39
Dupe
Single framed i3
- PSU
- smooth & threaded ... Length??
- nuts & bolts
- bearings (LM8UU + rest?)
- belts & pulleys
- endstops
- fans
Needed
power supply
Currently i am using a 12V supply for everything, but it is quite possible to heat the bed on 24V and run the motors on 12V. Maybe
40 euro
hotend
I don't see any reason to not use a J-Head.. 0.5 is fast but i might follow ID and profzon and go for 0.4..
- http://reprapsource.com/en/show/6752
- http://www.ebay.co.uk/itm/261163729498?var=560181572300&ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
60 euro
hobbed bolt
Arcol's hyena is awesome :)
15 euro
electronics
No idea yet.. Maybe go for 4pi?
Or this thingy for cheapness?
stepper drivers
Provided we are _not_ going for 4pi, we need some. Stepsticks should be fine.
- http://reprapworld.com/?products_details&products_id=35&cPath=1591_1599
- http://dx.com/p/stepstick-a4988-stepper-motor-driver-module-white-black-186465
stepper motors
They cut us a deal earlier, maybe we can try it again?
55 euro
smooth rods
Not sure, maybe profzon has an idea about this?
Stainless: http://www.fnf-metaal.nl/roestvaststaal/leveringsprogramma/rvs-staf http://www.rvsland.nl/Webwinkel-Product-5856865/Staf-RVS304-%C3%98-8-mm-H9.html
Typically ~3 EUR per metre. ~3m per printer (not including inefficiencies etc.) ~10-15 EUR. TallOak (talk) 15:09, 29 January 2013 (CET)
20 euro
threaded rods
We have a shitload of M8 threaded rod on the space already, we _will_ probably need to get ~5 meter of M5 rod.
10 euro
nuts & bolts
Again, not sure... profzon?
10 euro
bed heating
I would like to maybe experiment with a different sized bed, seeing as this is available for not much more money.
- http://trinitylabs.com/products/24v-200w-kapton-heater
- http://reprapworld.com/?products_details&products_id=121&cPath=1645
30 euro
build surface
Piece of glass from the neighbours? Or maybe finally use that piece of scanner glass i've been saving.. hmmm
5 euro
bearings
10 LM8UU style and a couple of 608 and maybe a 624?
We have some 608 floating around in the space ...
6 euro
printed parts
Yes yes
belts & pulleys
T2.5! So ...
- http://reprapworld.com/?products_details&products_id=175&cPath=1595_1611
- http://reprapworld.com/?products_details&products_id=325&cPath=1595_1639
Or;
25 euro
endstops
2 euro
fan
2 euro
frame
Right, choices are to be made. Which wood, if wood at all? Boxed version? Single plate?
Boxed version;
- Some wood
20 euros?
Single frame;
- milled/waterjet piece of alu?
80 euros?
Total
280 euros , missing electronics
300 euros for boxed version, missing electronics
360 euros for single frame version, missing electronics
Wow, really 280? This can't be right :P Ah, missing the frame.