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回顾了可控气氛的发展趋势,介绍了滴注式气氛密封箱式多用炉及其机组的技术特性,同时对多用炉的密封性、气氛的均匀性以及气氛的碳势控制等问题作了技术思考。指出在滴注式气氛密封箱式多用炉中能够进行渗碳、碳氮共渗、光亮淬火、球化退火以及复碳等多种热处理,该多用炉及其机组是一种自动化程度高、生产柔性大、适用性强的多用炉生产线,它为我国广大中小型热处理企业的工艺装备提供了比较适用的炉型和品种,发展前途十分广阔。
The development trend of controllable atmosphere was reviewed. The technical characteristics of drip-type atmosphere sealed box type multipurpose furnace and its unit were introduced. At the same time, the problems such as the sealing of multi-purpose furnace, the uniformity of atmosphere and the carbon potential control of atmosphere were introduced Thinking. It is pointed out that many kinds of heat treatment such as carburizing, carbonitriding, bright quenching, ball annealing and compound carbon can be carried out in the drip-type sealed box type multipurpose furnace. The multi-purpose furnace and its unit are a kind of high degree of automation, Flexible, adaptable multi-purpose furnace production line, which for the vast number of small and medium-sized heat treatment business process equipment provided more suitable furnace and varieties, the development of a very broad future.