Lemon Curry
This page is a development stub. Please enhance this page by adding information, cad files, nice big images, and well structured data!
Release status: experimental
| Description | Vat grown DLP and LCD photopolymer printers
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| License | GPL
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| Author | |
| Contributors | |
| Based-on | [[]]
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| Categories | photopolymer
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| CAD Models | soon
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| External Link | soon
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Lemon Curry
Open Source UV Photopolymer DLP 3D Printer
Open Source http://en.wikipedia.org/wiki/Open_source
UV http://en.wikipedia.org/wiki/UV
Photopolymer http://en.wikipedia.org/wiki/Photopolymer
DLP http://en.wikipedia.org/wiki/Digital_Light_Processing
3D Printer or 3DP http://en.wikipedia.org/wiki/3d_printer
Lemon Curry ( a monty python joke ) http://www.youtube.com/watch?v=qKhit2nsoq4
A UV sensitive monomer is used for three-dimensional printing called microstereo lithography. Using a DLP video projector with a UV output, it is able to create incredibly thin polymer layers and build objects layer by layer. The initial design will have movement for building vat grown models in the z-axis only.
This design already works in a laboratory environment with lab grade equipment. The object of this design is to offer a GPL open hardware howto that anyone with opposable thumbs and moderate thinking abilities might reproduce in the privacy of their own parents basement. Look for the complete howto over the next few weeks.
The next generation UV Photopolymer DLP 3D Printer project will be laser based and be capable of printing submicron features for the microfabrication of very small micro-machines and mechanisms.
Several resins will be available in various chemistries from $40-$200/L, since DIY for polymers is not realistic due to various governmental restrictions on purchase and shipments of some raw materials. Cure rates will be possible under 0.2 seconds per layer or slice. This will allow for build rates over 1 inch per minute.
If anyone has a source for low cost HD DLP projectors without lamps, let us know!
Links to existing articles and open projects that use Resin DLP
http://www.youtube.com/watch?v=iCCFGI0KhfQ ( first-print video of a printer based on the above link )
http://blog.makezine.com/archive/2011/04/homebrew-liquid-resin-3d-printer-gets-resolution-boost.html
Components
Z-axis stepper controller
USB single axis stepper motor controller:
Something similar to this: http://www.electrobee.com/usb-stepper/start#specifications
Albatross
Open Source Visible Light Photopolymer LCD 3D Printer
Open Source http://en.wikipedia.org/wiki/Open_source
Visible Light http://en.wikipedia.org/wiki/Visible_spectrum
Photopolymer http://en.wikipedia.org/wiki/Photopolymer
LCD http://en.wikipedia.org/wiki/Liquid_crystal_display
3D Printer or 3DP http://en.wikipedia.org/wiki/3d_printer
Albatross http://www.youtube.com/watch?v=Z_u7VGiMO0U
The initial design will have movement for building vat grown models in the z-axis only using a LCD.
Several resins will be available in various chemistries from $40-$200/L, since DIY for polymers is not realistic due to various governmental restrictions on purchase and shipments of some raw materials
Components
LCD
LCD glass panels without backlight or diffuser with driver board
http://auo.com/upload/media/gfs/tech/_20101014091344_56896.jpg
Small LCD panels with small dot pitch
http://www.diytrade.com/china/4/products/3920682/4_8inch_TFT_LCD_Module_800x480_LTE480WV-F01.html
Projection type LCD panels may also be used with a slightly different arrangement of optics
http://www.gizmag.com/epson-2160p-lcd-projector-panel/13333/
