This paper discusses PLC control system formation, casting technical process and control theory of PLC in centrifugal casting iron pipe machine.

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。

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Industrial Valves, Iron casting pipes, auto mould, numerical control machine casting are their main products.

主导产品有工业阀门、铸铁管件、汽车模具、数控机床铸件等。

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In this article, the dumping machine for centrifugal casting iron pipes was analyzed, the profile equation of constant velocity board was deduced, and the shape of the board was thus computed out.

本文通过对离心铸管机机液倾翻机构的分析，推导了等速板的型线方程，计算拟合了等速板的外形。

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