SLA

Stereolithography 3D printer

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

Links:

• http://www.buildyourownsla.com
• http://projectsinterestsandetcetera.com/3d-printer-rebuild-the-vat-and-tilt-assembly/
• 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:

• http://users.ox.ac.uk/~atdgroup/technicalnotes/Optical%20scanner%20galvanometer%20controller.pdf
• http://elm-chan.org/works/vlp/report_e.html
• http://pryntech.com/
• http://forums.reprap.org/read.php?184,363040
• http://forums.reprap.org/read.php?13,197775
• http://www.macpod.net/electronics/lasershark/lasershark.php

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

Laser - violet (405nm), blue? (445nm), >0.5W, there's an option to combine beams for more juice:

• for resin curing we need 365-420nm range
• 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
• http://www.ebay.com/itm/Housing-Case-Heatsink-5-6mm-TO18-Laser-Diode-LD-405nm-450nm-Blue-Glass-Lens-Fan-/111436404457?pt=LH_DefaultDomain_0&hash=item19f22096e9
• http://www.ebay.com/itm/405nm-600mW-Violet-Laser-Diode-from-12x-Blu-Ray-/261170113826?pt=LH_DefaultDomain_0&hash=item3ccef3ad22
• http://www.ebay.com/itm/Brass-Laser-DIY-Host-For-TO18-5-6mm-Laser-Diode-w-h-3-elements-405nm-glass-lens-/141410334548?pt=LH_DefaultDomain_0&hash=item20ecb67754
• http://www.ebay.com/itm/Laser-Beam-Combine-Cube-Prims-Mirror-for-405nm-450nm-2W-445nm-Blue-Laser-Diode-/331101469581?pt=LH_DefaultDomain_0&hash=item4d172f7b8d

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