Rapid prototyping
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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

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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 ([email protected]) 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.


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