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沈阳东方红拖拉机制造厂革命职工,遵照毛主席关于“打破洋框框,走自己工业发展道路”的伟大教导,制成了无铁芯工频炉的自动控制装置。经投产运行一个时期,基本上达到了预期效果。无芯工频感应炉熔炼过程中,随着温度变化、炉料增减,乃至炉料形状的差异与变动,其电气参数的变化范围很大。为保证熔炼过程经济、合理,稳定炉子的某些电气参数,现代无芯
Shenyang Dongfanghong tractor factory revolutionary workers, in accordance with Chairman Mao on “breaking the ocean frame, take their own path of industrial development,” the great teaching, made of iron core frequency furnace automatic control device. After put into operation for a period of time, basically achieved the desired results. Coreless frequency induction furnace melting process, with the temperature changes, increase or decrease the charge, and even the difference between the shape of the charge and changes in the electrical parameters of a wide range of changes. In order to ensure the smelting process economy, reasonable, stable electrical parameters of some of the stove, the modern coreless