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某集团公司锻造厂使用的加热炉主要有台车式电阻炉和箱式电阻炉。产品要求工业4级炉的均温性必须保证在±10℃以内。为此,对所有的锻造加热炉要定期进行炉温均匀性测试,以保证合格产品。1电阻加热炉炉温均匀性检测依据GB/T9452—2003《热处理炉有效加热区测定方法》对加热炉的炉温均匀性进行了测试。在电阻炉的有效工作区内,用9点测温法测定电阻加热炉均温性。当炉膛温度达到设定温度后保温2 h,开始打印数
The heating furnace used by a forging plant in a group company mainly includes a trolley resistance furnace and a box resistance furnace. Product requirements Industrial grade 4 furnace temperature must be guaranteed within ± 10 ℃. To this end, for all forging furnace furnace temperature uniformity should be regularly tested to ensure that qualified products. 1 resistance furnace temperature uniformity test based on GB / T9452-2003 “heat treatment furnace effective heating zone determination method” of the furnace temperature uniformity was tested. Within the effective working area of the resistance furnace, the temperature of the resistance furnace is measured by the 9-point temperature measurement method. When the furnace temperature reaches the set temperature after 2 h, start printing