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Documentation home https://osf.io/ur7un/
Hardware license CERN-OHL-S
Certifications Start OSHWA certification
  1. Download files for the PASCO test coupon from the Open Science Framework (click on the one you want and then click "download") You only need 2 stl files (rounded and vertical) and one ini file.
    1. The .curaprofile is a slicing profile that you can start with. The provided .curaprofile contains all parameter settings for getting a good quality slice file. I have intentionally left layer thickness, print temperature, print speed, flow % blank. These are the variables you can play with. This .curaprofile is to be used for all specimens. Note: Loading the .ini file provide will REMOVE the current profile in Cura. Please save your standard default profile before loading. If you happen to lose the profile, you can reload it from an old .gcode file without trouble.
  2. Choose your optimal print settings (e.g. what you think gives you the best-looking part and max strength) and then using PLA from any vendor you like to print:
    1. 3X small horizontal rounded, and
    2. 3X small vertical
    • Note: Parts must conform to dimensional specifications as indicated on right to be acceptable per ASTM D628-14 Type IV.
  3. Put your specimens in a bag with your name and course labeled on/in the bag
  4. Input your variable parameters with your name to the course data spread sheet in a single line here
  5. Test your samples for tension in the Engineering Lab and record your max tensile strength (just before rupture) as well as strain (elongation) at that max strength for each of your 6 samples. Record that on the spreadsheet here as well.
  6. Post your best stress-strain curve (output from the tester) on your Appropedia page as well as your analysis, revised hypotheses and conclusions

Having Trouble?[edit | edit source]

Basic inputs to start with:

  • Layer Thickness: 0.2mm
  • Temperature: 210C
  • Flow: 100%
  • Speed: 80mm/s
  • Bed Temp: N/A unless you have a heated bed then put it in the comments

Make sure the horizontal ones are printing flat and the vertical one prints on the circle (see image below).


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Authors Marie Farson
License CC-BY-SA-3.0
Language English (en)
Related 0 subpages, 4 pages link here
Impact 404 page views
Created October 31, 2016 by Marie Farson
Modified February 6, 2023 by Felipe Schenone
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