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Rapid Prototyping. U of A. How Does is Work?. Rapid Prototyping is a 3D printer. It takes in an input of coordinates and uses automated robotics to scan a UV laser into a liquid resin chamber. The UV light activates the liquid causing it to become a solid.
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Rapid Prototyping U of A
How Does is Work? • Rapid Prototyping is a 3D printer. • It takes in an input of coordinates and uses automated robotics to scan a UV laser into a liquid resin chamber. • The UV light activates the liquid causing it to become a solid. • Over successive scans the input model is created
Limitation of Rapid Prototyping • Needs an input file in .stl format • The input files can not be larger than 25 Megs. Meaning if you can’t send it by email, you can’t build it. • This particular Rapid Prototype machine can only create parts made of certain types of acrylic based photopolymers. • The tolerance of the parts made is 10 micron and a 5 degree offset in angle. Think about this when submitting your files.
Material Property of Photopolymers • Most common used material is Ver0Gray. • Other choices of materials are posted on the website. It is possible to use multiply materials but will result in longer time to create part
Save file to .stl format • Once you have created your solid model click save as. • Select .stl format and save.
What we Need you to specify • Exact file name of part i.e. (flexure.stl) • Quantity • Material • What finish (Matte or Glossy) • Any Special Instruction you would like to specify for the part
Steps to get a job printed • Create model • Save as .stl format • Send your file to the Optomech (optomech@optics.arizona.edu) email • Subject Line: Rapid Prototype Request • Have your parts and specifications listed either in the email or an attachment. • If you are having multiple parts made make a specification list for each part. For parts with more than one material specify this in writing with instructions and drawings to explain. • We’ll take care of every thing from there.