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COOLING JACKET USED FOR HIGH FREQUENCY HARDENING OF COLUMNAR WORK, AND HIGH FREQUENCY HARDENED COIL BODY USING THE JACKET
COOLING JACKET USED FOR HIGH FREQUENCY HARDENING OF COLUMNAR WORK, AND HIGH FREQUENCY HARDENED COIL BODY USING THE JACKET
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机译:用于高频率强化柱状工作的冷却夹套,以及用于高强度硬化线圈体的冷却夹套
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摘要
PROBLEM TO BE SOLVED: To prevent the quenching solution ejected from an upper jacket from obstructing the cooling by a lower jacket. SOLUTION: In a cooling jacket to be used for the high frequency hardening of a journal part having an upper jacket in which the quenching solution is ejected against a part upper than a center point of the journal part, and a lower jacket 513 in which the quenching solution is ejected against a part lower than the center point, a jaw part 514 projected toward the journal part and a through hole 512A to lead the quenching solution from the upper jacket received by the jaw part 514 in the direction away from the journal part, are provided above a highest ejection hole 516C in the lower jacket 513 so as not to obstruct the ejection of the quenching solution from the ejection hole.
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