Machine drills square holes in metal.

Mind = Blown

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Comments

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Picture of smacker27 achievements

+32 1. smacker commented 9 years ago

Japanese need square holes to put their square watermelons :D
So this drill is invented.
http://www.youtube.com/watch?v=RqktRZ9t1GM
Picture of Jerry_Fkn_Maguir42 achievements

+66 2. Jerry_Fkn_Maguir commented 9 years ago

Now all we need is square screws! :P
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+25 3. banzemanga commented 9 years ago

Wow, amazing accuracy and precision for a drill that is rotating so fast. :O
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+2 4. Tehnol commented 9 years ago

It's hard to get a close look at the holes in this vid but it looks like there may still be small radiuses in each corner, so not a true "square" hole
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+11 5. x3style commented 9 years ago

This is awesome! Some fine engineering here.
Picture of filter38 achievements

+13 6. filter commented 9 years ago

There's just no pleasing some people. (#4)
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+12 7. orion commented 9 years ago

#4 there are, but the rest of the edges are perfectly straight. And no real corner is really infinitely sharp and neither are square bars that go in these holes.

Anyway, this defies common sense, so it qualifies as awesome!

Check out this interactive demonstration.
http://demonstrations.wolfram.com/SquareHoleDrillInThreeDimensions/
Picture of loadrunner54 achievements

+3 8. loadrunner commented 9 years ago

Minecraft :D
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+6 9. irishgek commented 9 years ago

Its not a drill as its starting with a pre drilled 10mm round hole.

Also these days they can cut square holes in metal in a fraction of the time with high power laser cutters.

Amazing but Still am not convinced its a perfect corner
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+5 10. PownMeister commented 9 years ago

This is how japaneese people make icecube trays :D
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+6 11. hdwg commented 9 years ago

Nothing new. I was tought how to use one of these in my apprenticeship in 1980. It's still amazing to watch.
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+2 12. sux2bu commented 9 years ago

#1 & #10 This vid is Chinese,not Japanese ,and the technique has been around in the US for decades. I think this is an old video.
Picture of LaoMa28 achievements

-1 13. LaoMa commented 9 years ago

#12: If this video is Chinese, why is it in Japanese? Chinese written language has no curly characters. The Japanese however use traditional Chinese characters alongside with their own alphabet.
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0 14. sircam commented 9 years ago

Yep PowerRangers, thats all!