Ben Krasnow
Sunday, July 21, 2013
Optical finish for acrylic -- vapor polishing and other techniques
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I needed to polish two acrylic lenses that were made on a CNC lathe to the best possible finish (hopefully, optical quality). I made some te...
3 comments:
Monday, July 15, 2013
Glue chipped glass - first attempt
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I've always wanted to create a decorative glass effect known as "glue chipping", and finally got to try it this weekend. My re...
2 comments:
Monday, July 8, 2013
Progress on vacuum chamber build - helium leak detection, custom flanges
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I machined a few custom aluminum adapters for KF/NW vacuum fittings on the lathe this weekend. Next time, I hope to have electrical feedthro...
4 comments:
Thermocouple vacuum gauge teardown and explanation
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I describe how thermocouple vacuum gauges work, and take apart a vintage example of such a system.
Saturday, June 29, 2013
Milling machine tutorial - cutter selection, speeds and feeds, coolant, high speed machining
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I discuss the basics of selecting the right cutter for the job, choosing feeds and speeds, and general setup and planning of CNC milling mac...
5 comments:
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