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Build Your Own SLA/SLS A forum dedicated to helping you build your own SLA/SLS-based 3d printer 2014-06-04T01:37:39-04:00 http://www.buildyourownsla.com/forum/feed.php?f=6&t=1479 2014-06-04T01:37:39-04:00 2014-06-04T01:37:39-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=1479&p=3843#p3843 <![CDATA[Re: Shopping List]]> Btw when I tried to search lead screw here the store offer me a 8mm Hiwin Ball Screw with 2.5 lead, should I take it instead?

Statistics: Posted by rusty — Wed Jun 04, 2014 1:37 am

]]> 2014-05-30T21:26:22-04:00 2014-05-30T21:26:22-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=1479&p=3801#p3801 <![CDATA[Re: Shopping List]]> But if DRV8825 can give me better resolution then I will order it. Take some time but I don't have any choice.

Hmm, if 16mm need more power then I should go used Nema23 instead then?

Statistics: Posted by rusty — Fri May 30, 2014 9:26 pm

]]> 2014-05-30T14:38:47-04:00 2014-05-30T14:38:47-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=1479&p=3798#p3798 <![CDATA[Re: Shopping List]]>
Using DRV8825 drivers rather than the A4988 drivers gives you 2X the resolution plus a extra .5 amps of power to the motor. For the small cost extra 100% worth it IMO. If you looking to get at fine as 10 micron as you say (not sure that is necessary though) than you need all the resolution you can get.





Nothing wrong with 16mm lead screw other than weight (it will take more torque/power to turn/lift) and depending on your pitch you may loose resolution. I went with 10mm 1.5 pitch threaded rod for my lead screw works very nicely with a delrin nut.

Statistics: Posted by Finhead — Fri May 30, 2014 2:38 pm

]]> 2014-05-30T12:49:50-04:00 2014-05-30T12:49:50-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=1479&p=3797#p3797 <![CDATA[Re: Shopping List]]> Oh I forgot to search on ebay =w=a
Btw is there any problem if I decided to use the 16mm instead?

Statistics: Posted by rusty — Fri May 30, 2014 12:49 pm

]]> 2014-05-30T02:12:55-04:00 2014-05-30T02:12:55-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=1479&p=3784#p3784 <![CDATA[Re: Shopping List]]> Easy to find 8mm lead screws.
If you go with Nema17 motors get the high torque ones. First ones on this page are really good ones

Statistics: Posted by Finhead — Fri May 30, 2014 2:12 am

]]> 2014-05-30T12:51:05-04:00 2014-05-29T22:00:37-04:00 http://www.buildyourownsla.com/forum/viewtopic.php?t=1479&p=3782#p3782 <![CDATA[Shopping List]]>
I really interested on SLA printer and planned to buy one but most of it is expensive.

So I planned to build it instead but I'm completely new at this so I don't know any material & hardware I should use to build the printer.
After spent some time reading topic in the forum I have general idea but I need your help to check my list.

Here what I came up so far.

Projector = Already have a HD projector with 2000 lumen.

Electronic =
- For running the firmware = Ardunio Mega 2560 R3
- For motor driver = Big easy driver/ A4988
- Ramps 1.4
- 12V Power supply

Z Axis =
- I tried to find 8mm lead screw but failed, there only 16mm so far.
- Nema 17/23.

Resin Vat
- Container= Still don't have clue for this one.
- Coating = FDM / Sylgard 184

First Surface Mirror

My aim is to build a printer with 10nm resolution or something between 10-100nm.
Is there any part I should change or add to achieve that?

Thanks =w=

Statistics: Posted by rusty — Thu May 29, 2014 10:00 pm

]]>