Based on the G-M system contrast to the system of frequency conversion, the paper introduces the improvement of advocate-drag system of dragon-planer of transducer of B2012A and PLC.
在G - M系统和变频调速系统进行比较的基础上，介绍了基于PLC、变频器的B2012A型龙门刨床主拖动系统的改造。
Based on the G-M system contrast to the system of frequency conversion, the paper introduces the improvement of advocate-drag system of dragon-planer of transducer of B2012A and PLC.
在G - M系统和变频调速系统进行比较的基础上，介绍了基于PLC、变频器的B2012A型龙门刨床主拖动系统的改造。
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