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 test coupons and tried three different polishing techniques on three different surfaces to see which combination of techniques would yield the best results. The winner was clearly 2000 grit sandpaper followed by Novus No.2 polish.
Great video and excellent explanations, Ben is a Mechanical Engineer at Valve!
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — “America wants to believe China can’t innovate. Tech tells a different story”
Wearables — Use your resources
Electronics — Shift away from basic arithmetic
Biohacking — How Exercise Creates Visible Veins
No comments yet.
Sorry, the comment form is closed at this time.