介绍了基于变频技术的离心浇铸机控制系统的硬件系统构成和主要功能，给出了系统监控画面设计。
The hardware system structure and main functions of monitoring system of centrifugal casting machines based on inverter technology were introduced.
本文介绍了PLC控制系统组成、浇铸工艺流程、及PLC在离心球墨铸管机中的控制原理。
This paper discusses PLC control system formation, casting technical process and control theory of PLC in centrifugal casting iron pipe machine.
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