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THE MAKING(English Version) (314)The Making of Steel Balls

This edition of the series of programs explaining the technology used to produce items that are familiar in our daily life features ‘Steel Balls’. A bicycle wheel spins smoothly because the wheel axle contains ball bearings. The steel balls inside the ball bearing must be close to perfectly spherical. The program introduces the production method of high-precision steel balls with a margin of error of less than 0.1 micrometers.

Damascus steel from Balls from the bearing.

Bowie blade from Damascus steel from balls from the bearing.\r

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How it's made - Ball bearings



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