SLA: Difference between revisions

Latest revision as of 11:04, 14 July 2017

Stereolithography 3D printer

Goal of this project is to build SLA 3D printer using laser and pair of galvanometers.

Links:

Galvo:

DAC http://www.ti.com/product/DAC124S085 (samples available)
http://www.pangolin.com/resguide12.htm

F-theta lenses:

https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=6430

Laser - violet (405nm), ~~blue? (445nm)~~, ~100-400mW, there's an option to combine beams for more juice:

DLP alternative

Acer P1303PW Specs

Projector native resolution WXGA (1280x800)
Projector brightness (economic mode) 	2480 ANSI lumens
Maximum digital resolution 	1920 x 1080 pixels
Keystone correction, vertical 	±40 °
Screen size compatibility 	30 - 300 "
Zoom ratio 	1.1:1
Uniformity 	90 %
Projector brightness 	3100 ANSI lumens
Projection technology 	DLP
Projection Distance 	1 - 11.9 m
Zoom capability 	Auto/Manual
Contrast ratio (typical)  3700:1
Number of colours      1070 M
Service life of lamp (economic mode) 4000 h
Service life of lamp 	2500 h
Lamp Power 	        230 W
Aperture range (F-F) 	2.5 - 2.6

@@ Line 8: / Line 8: @@
 * http://garyhodgson.com/reprap/2012/06/dlp-resin-printer/
 * http://a3dp.blogspot.cz/
+* https://www.theseus.fi/bitstream/handle/10024/80083/pandey_ramji.pdf?sequence=1
 Galvo:
@@ Line 20: / Line 21: @@
 * http://www.pangolin.com/resguide12.htm
-Laser - violet (405nm), blue? (445nm), >0.5W, there's an option to combine beams for more juice:
+F-theta lenses:
+* https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=6430
+Laser - violet (405nm), <del>blue? (445nm)</del>, ~100-400mW, there's an option to combine beams for more juice:
+* for resin curing we need 405nm
+* http://laserpointerforums.com/f38/choose-405nm-120-200mw-laser-module-83068.html
 * http://www.ebay.com/itm/445nm-1W-to-1-5-W-blue-laser-diode-w-lens-from-Casio-XJ-projector-/361095509811?pt=LH_DefaultDomain_0&hash=item5412f83733
 * http://www.ebay.com/itm/New-drive-For-405-450nm-300mW-1W-Blue-Violet-blu-ray-High-power-Laser-Diode-/281471376636?pt=LH_DefaultDomain_0&hash=item4189005cfc