Why Machines That Bend Are Better

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  • Published on:  3/12/2019
  • Compliant mechanisms have lots of advantages over traditional devices. SimpliSafe is awesome security. It's really effective, easy to use, and the price is great. Check out SimpliSafe here: https://simplisafe.com/veritasium

    I visited the Compliant Mechanisms Research group at Brigham Young University and spoke to Professor Larry Howell:
    https://www.compliantmechanisms.byu.edu

    At the above link, you can download 3D-print files to make some of the objects in the video, plus learn more about compliant mechanisms.

    What I learned about compliant mechanisms I summarize in the 8 P's of compliant mechanisms:

    1. Part count (reduced by having flexible parts instead of springs, hinges)
    2. Productions processes (many, new, different enabled by compliant designs)
    3. Price (reduced by fewer parts and different production processes)
    4. Precise Motion (no backlash, less wear, friction)
    5. Performance (no outgassing, doesn't require lubricant)
    6. Proportions (reduced through different production processes)
    7. Portability (lightweight due to simpler, reduced part count designs)
    8. Predictability (devices are reliable over a long period of time)

    Special thanks to Patreon supporters:
    Donal Botkin, James M Nicholson, Michael Krugman, Nathan Hansen, Ron Neal, Stan Presolski, Terrance Shepherd

    Animation by Alan Chamberlain
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Comment

  • Robot Ninja (3 days ago)

    Weird flex, but okay.

  • Eric Miret (4 hours ago)

    Figures that the top voted comment is a DUMB meme.

  • +Zimmit's Fabulous Wonder Hoagies i don't watch rick and morty, im also a bigger fan of south park, it's just that dude was full of himself.

  • Khason01 (3 days ago)

    8 P's1.) Part Count (Less) 2:422.) Production Processes (Various) 3:283.) Price (Inexpensive) 3:334.) Precise Motion (no backlash) 5:215.) Performance (no backlash) 5:386.) Proportions (smaller) 7:187.) Portable (lightweight, space application) 7:338.) Predictability (safing & arming WMDs) 10:17in case you missed them :)

  • Sudeep Singh (7 hours ago)

    4:55 9th P, physics Girl

  • =NolePtr (12 hours ago)

    +Pete S Probably cheaper than replacing a traditional part anyways in terms of labor and education required.

  • CF1001 (4 days ago)

    1:37 ahh the humble engineers in their natural, mostly awkward and camera shy states XD

  • Quell Ious (17 hours ago)

    You have to bait them out with a hot pocket.

  • DJ BIS (21 hours ago)

    lmao! good eye.

  • saurabh pandey (4 days ago)

    Narrator : bending machines are betterApple's ipad 2018 : am I joke to you?

  • William Barnes (15 hours ago)

    Apple products are always a joke.

  • Meg.A. Byte (Mar 12, 2019)

    This was one of the most interesting episodes that you've ever made!

  • If you thought this was interesting, look up the subject of human factors. If you want a specific category to peruse, try ergonomics.

  • Alex Baldwin (1 day ago)

    Who would winMillions of mechanically complex machines built from the hardest metals with billions of bolts, screws, latches and gearsorSome bendy bois

  • Jack (3 days ago)

    3:54"I got a quiz for you""Oh-oh"Natural reaction.

  • Abbreviated Reviews (2 days ago)

    I was thinking the whole time how I'd like to 3D print some of this stuff and then he's like "here you can print these and PLA". Awesome.

  • Leffa PaL (3 days ago)

    1:55 -"Would you like to try?" -"I would actually like to feel the force.."*prof Larry smirks in Darth Vaderish*

  • Taikamuna (Mar 13, 2019)

    _Any machine is flexible if you're just strong enough_

  • Alex McCabe (2 days ago)

    How expensive were those likes ? The statement *completely* misses the point of the video

  • Travis k (2 days ago)

    Touche.