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根据国家“七·五”规划的要求,为防止模具在热处理过程中的氧化、脱碳和腐蚀,武汉电炉厂、武汉汽车附件厂、武汉材保所和华中理工大学合作研制成功一种新型模具保护加热自动淬火炉,经鉴定后,已在武汉电炉厂投入小批量生产。该炉靠向加热室内滴入有机液体实现保护加热,模具离开加热室用氮气保护实现少无氧化淬火。操作者只需将待处理模具的钢号及有效厚度输入微机,模具的加热温度、保温时间即可由微机给定并自动完成淬火过程。用该炉处理的模具,表面质量好,使用寿命高。使用该炉不污染环境,而且劳动强度大大降低。该炉是中小企业代替盐浴炉和箱式炉处理模具的理想设备。
According to the national “seven five” planning requirements, in order to prevent the mold in the heat treatment process of oxidation, decarburization and corrosion, Wuhan Electric Furnace Factory, Wuhan Automobile Accessories Factory, Wuhan Rubber and Huazhong University of Science and Technology cooperation in the development of a successful New mold protection heating automatic quenching furnace, after identification, has been put into small-batch production in Wuhan Electric Furnace Factory. The furnace by the heating chamber to drop into the organic liquid to achieve protection and heating, the mold left the heating chamber with nitrogen to achieve less oxidation without quenching. The operator only needs to input the steel number and the effective thickness of the mold to be processed into the computer, and the heating temperature and the holding time of the mold can be given and completed automatically by the computer. With the furnace processing mold, the surface of good quality, high service life. The use of the furnace does not pollute the environment, and labor intensity is greatly reduced. The furnace is a small and medium-sized enterprises instead of salt bath furnace and box furnace ideal for processing molds.