Group 2 | SLS 3D Printer Introduction Andy Vopni Benjamin Cousins Brian Luptak Nima Majidifar http://www.arptech.com.au/slshel p.htm Additive Manufacturing - Rapid CAD to 3D Object - Made of successive 2D layers - Prototyping benefits to many industries thods Stereolithography (SLA) >$5000 Fused Deposition Moulding (FDM) >$500 Selective Laser Sintering (SLS) >$10000 Selective Laser Sintering http://news.noahraford.com/?p=1495
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Group 2 | SLS 3D Printer Introduction
Andy Vopni Benjamin Cousins Brian Luptak Nima Majidifar
http://www.arptech.com.au/slshelp.htm
Additive Manufacturing- Rapid CAD to 3D Object- Made of successive 2D layers- Prototyping benefits to many industries
Andy Vopni Benjamin Cousins Brian Luptak Nima Majidifar
There Exists a Need for an Economic SLS 3D Printer for:- Additive manufacturing research- Material scientists- Education institutions- Small businesses- Hobbyists
Develop an SLS 3D printer with comparable cost and performance to small-business FDM 3D printers currently on the market
Problem Statement:
Design Criteria:- Completely safe- Ease of Construction [hrs]- Cost [$]- Accuracy of +/- 0.5 [mm]- Print Speed [min/part]- Weight [kg]
Criteria SafetyEase of
Construction
Cost Accuracy Speed Weight Total Rank
Safety 1 1 1 1 1 5 1
Ease of Constructio
n0 1 1 1 1 4 2
Cost 0 0 1 1 1 3 3
Accuracy 0 0 0 1 1 2 4
Speed 0 0 0 0 1 1 5
Weight 0 0 0 0 0 0 6
Print Material:- Chocolate
Andy Vopni Benjamin Cousins Brian Luptak Nima Majidifar
USB is preferred to minimize data transfer delays and lack of external PC requirement.
Serial will be used during debugging for feedback from printer
Communication: Serial vs USB
Gantry: 1. Cable DriveUS Patent # 4957014, April 10, 1989Edward F. Burke
2. Ilan Moyer http://web.mit.edu/imoyer/www/portfolio/foamcore/
SLS Printing: Method For Producing 3D ObjectUS Patent # 8187522, May 29, 2012Yoshikazu Higashi, et al.
Radial Wiper: No Patents Youtube video: “quadraturencoder” http://www.youtube.com/watch?v=YBqUOP-MA1Q&feature=plcp
SoftwareSkeinforge is copyrighted under GNU Affero General Public Licence, allowing it to be freely distributedNo other significant software in design is worth patenting or has been patented
Andy Vopni Benjamin Cousins Brian Luptak Nima Majidifar
Andy Vopni Benjamin Cousins Brian Luptak Nima Majidifar
Group 2 | SLS 3D Printer ReferencesARPTECH - Rapid Prototyping Services, http://www.arptech.com.au/slshelp.htm, Oct 13th, 2012
Burke, Edward. Cable drive geometry. http://www.google.com/patents/US4957014?pg=PA3&dq=4957014&hl=en&sa=X&ei=vaqpUMQ0icTbBbmugKgO&ved=0CDcQ6AEwAA#v=onepage&q=4957014&f=false, Nov 18th, 2012
Engineering Toolbox, http://www.engineeringtoolbox.com/radiation-heat-transfer-d_431.html, Nov 18th, 2012
Higashi, Yoshikazu. Method and apparatus for producing a three-dimensional object, and three-dimensional shaped object. http://www.google.com/patents/US8187522?pg=PA10&dq=8187522&hl=en&sa=X&ei=RZipULPDIejhygH27ICQBw&ved=0CDQQ6AEwAA#v=onepage&q=8187522&f=false, Nov 18th, 2012
Ilan Moyer, http://web.mit.edu/imoyer/www/portfolio/foamcore/, Nov 18th, 2012
Introduction to Thermal Systems Engineering, http://ca.wiley.com/WileyCDA/WileyTitle/productCd-0471204900.html, Nov 18th, 2012
M140 Blue Laser Diode, http://www.ebay.com/itm/2W-445nm-M140-Blue-Laser-Diode-in-Copper-Module-W-Leads-Three-Element-Glass-/170892986250?ssPageName=ADME:X:RTQ:US:1123, Nov 18th 2012
Noah Raford, 21st Century Strategy, Policy and Design, http://news.noahraford.com/?p=1495, Nov 18th, 2012
Thingiverse, 120 Film Advance Crank http://www.thingiverse.com/thing:3930, Nov 17th, 2012