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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)
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.