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针对 4Cr13卡尺尺身热处理的要求 ,对小型高温网带式可控气氛炉和氨分解气体发生装置的结构进行了改进设计。合理设计小型高温网带炉的进气口位置 ,才能满足炉内气氛稳定流动的要求 ;从氨分解炉产生出来的分解气氛 ,必须经过可循环再生还原的净化器才能保证零件的光亮热处理 ;合理的冷却套结构是保证卡尺尺身热处理性能的关键
According to the requirements of 4Cr13 caliper ruler heat treatment, the structure of small high temperature mesh belt controlled atmosphere furnace and ammonia decomposition gas generator is improved. Reasonable design of small high-temperature mesh belt furnace inlet position, in order to meet the stable atmosphere of the furnace flow requirements; decomposed atmosphere from the ammonia decomposition furnace must be recyclable reduction purifier to ensure the parts of the bright heat treatment; reasonable The cooling jacket structure is to ensure the caliper caliper heat treatment performance of the key