Checking and protecting large main rolling mill direct current dynamo By SBC, economy loss was avoided.

利用单板机对大型直流电动机检测和保护，避免了不必要的经济损失。

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This paper mainly expatiated on the key technology problem on processing the large overbearing nut of rolling mill and the manufacture of processing apparatus as well as its effect.

主要阐述了轧机用大型压下丝母的关键技术问题、解决方法、工装器具的制作以及效果。

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An introduction is given to the configuration of the electric control system of a large scale radial-axial ring rolling mill and, meanwhile, its main functions and mutual relations.

介绍大型径轴向轧环机电气控制系统的结构与组成及各部分的主要功能和采用的相关技术。

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