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从质量和经济角度评价真空淬火新方法。尽管现有设备很多,工具钢的热处理方法也很多,但是对重型工具的无畸变淬火来说,压力气淬真空炉最为有效,问题是如何使热处
Evaluation of a new method of vacuum quenching from the perspective of quality and economy. In spite of the large number of existing equipment and the large number of heat treatment methods for tool steels, pressure-quenched vacuum furnaces are the most effective for distortion-free hardening of heavy tools. The question is how to make heat