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对沿用了几十年的箱式电阻炉进行改造、创新,或发展连续作业式热处理电炉,是近年来我国电炉行业的发展趋势。有些单位已经把75千瓦的箱式电阻炉改建为台车式电炉。这种电炉的炉底可以拉出,装出工件易于实现机械化,装炉量增加,提高了生产效率,比原箱式电炉优越。但是,台车拉出以后,装卸工件需
Retrofitting, innovating, or developing continuous operation heat treatment electric furnaces for the box type resistance furnace which has been used for decades has been the development trend of the electric furnace industry in our country in recent years. Some units have converted a 75-kilowatt box-type resistance furnace into a trolley-type electric furnace. The bottom of the electric furnace can be pulled out, easy to mechanize the loading of the workpiece, increase the loading capacity, and improve the production efficiency, superior to the original type electric furnace. However, after the trolley is pulled out, the work piece needs to be loaded and unloaded