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1981年10月下旬至12月底,我们在日本东京热处理工业株式会社(以下简称东热)实习了70天,其目的是:①了解东热可控气氛热处理工艺情况;②了解东热设计、制造和销售的热处理设备及其结构、性能、规格、使用情况和特点;③了解东热的热处理专业化生产情况。我们实习的地点是东热加工部(亦称日吉工厂)的第一热处理工厂,实习内容为可控气氛气体渗碳、碳氮共渗和气体软氮化。至于热处理设备的设计、制造和其他热处理
From late October to the end of December 1981, we interned for 70 days in Tokyo Heat Treatment Co., Ltd. (hereinafter referred to as Tetsugawa) for the purpose of: ① understanding the heat treatment process of the East Thermally Controlled Atmosphere; ② understanding the thermal design and manufacture And sales of heat treatment equipment and its structure, performance, specifications, use and characteristics; ③ understand the East heat heat treatment specialized production. Our internship is the first heat treatment plant of the East Thermal Processing Department (also known as Rijeon Factory). The internship includes controlled atmosphere carburizing, carbonitriding and gas nitrocarburizing. As for the heat treatment equipment design, manufacture and other heat treatment