| 摘要 |
PURPOSE: A mold of a heating and quenching press is provided to reduce thermal loss, and to shorten work hours by forming a fluid passage and directly heating the mold. CONSTITUTION: A first passage unit is installed at the bottom of an upper mold, and has an injection port and a discharge port for cold and hot fluid. A double passage unit is installed at a middle mold(20), and has an injection port and a discharge port for cold and hot fluid. A second passage unit(32) is installed at the top of a lower mold(30), and has an injection port(34) and a discharge port(35) for cold and hot fluid.
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