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火花試験 ベアリング鋼

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Uploaded by on Oct 31, 2010

炭素含有率が高く、非常に硬い。大量の火花が発生しそれらが花開く。ベアリングレースは専用鋼に高周波焼き入れして製作される場合が一般的で、表面硬度が高く、内部はわず­かに落としてある。

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Autos & Vehicles

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