Sunday, March 31, 2019

Fun with Machines that Bend

I really like his 3-D printed titanium part at about the 8 minute mark, and the chainsaw clutch at minute 10 is pretty neat too.


The eight "P's" of compliant mechanisms:
  1. Part count: reduced parts count with bending parts instead of hinges and springs
  2. Production processes: lower price through processes like injection molding
  3. Price: lower because of reduced parts count and affordable processes with reduced assembly
  4. Precise motion: no backlash (yea!),
  5. Performance: no need for lubricants, reduced wear
  6. Proportions: can be made at small scale with photolithography
  7. Portable: lightweight
  8. Predictable: the operation of the mechanism can be well-known and reliable

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