The End Nears: Playing Five-Finger Filet With A Knife Wielding Industrial Robot

April 24, 2017

This is a video from the folks at Irfon Automation demonstrating the precision of their Stäubli TX40 industrial robot by having it play five-finger filet with some guy's hand. SPOILER: it never stabs him. At least not on camera. Although I assume after the camera stopped rolling it murdered everybody in the room, and this footage was found by bandits who raided the facility looking for metal scraps to sell. They then decided to try to monetize this video on Youtube. At least that's my guess what happened, and my guesses are always right. "You said Abraham Lincoln was going to win the presidential election." And he did, in 1860.

Keep going for the whole video.

Thanks to Alan, who agrees the best way to play five-finger filet is with somebody else's hand.

  • The_Wretched

    This isn't called "mumbly peg" anymore?

  • Bosun Higgs

    "Hey, Bishop! Do the thing with the knife!"

  • Jenness

    Awww that's a great scene. RIP Bill Paxton - he played a great coward.

  • Humphrey Bogart

    you play a great coward too, talking all kinds of mad shit to a disabled veteran, just to go silent once you are called out on your ignorance.

  • Meh, when they get the speed ramped up 10 times faster maybe this will be impressive. :-P

  • unimate

    It wouldn't be any more dangerous if they did. That model's repeatability, that is it's margin of error when moving to a programmed point, is +/-0.02mm. The only way he's getting stabbed is if he puts his finger over one of the holes.

  • Wonfis

    Does it maintain that repeatability when operating at over the specified maximum speed? I'd be surprised.

  • unimate

    Repeatability is measured at maximum speed with maximum payload. The robot could be cranked to max and the participant would be fine, especially considering that the knife probably doesn't weigh anywhere near 5lbs. Now if you were to somehow defeat every safety mechanism in the software & hardware and devise a way to force the robot to move faster than it's top speed, all bets are off.

  • Wonfis

    I suppose the really interesting question is: what is the maximum speed with this payload? Would 10x the speed shown still be safe?

  • unimate

    I've never worked on a Staubli, but a cursory glance at the specs suggests that this model is mighty quick. It's not clear what percentage it's running at, but 10X could conceivably be achievable. Given that the load is off-center, however, I'd do a couple of dry runs before putting my hand down.

  • GeneralDisorder

    This gives me an idea. You put some finger straps in there, a wrist strap and you have the robot arm hide under the table. Then when the volunteer says go the robot arm pops out and starts going full speed jamming the knife into the wood underneath.

  • JamesHaswell

    Or if he sneezes.

  • JamesHaswell

    Is there a robot to clean the shit out of your pants, because I'm going to need one of those.

  • Bling Nye

    It's called a vacuum. Your mom might get pissed though.

  • GeneralDisorder

    It wouldn't exactly be a difficult process. It'd be tough to make a very thorough iteration of such a thing.

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