Recent manufacturing systems have been constructed from many computer systems such as PLC, CNC, FA controller and host computer. Each computer system has high performance because the ability of each computer system has been progressed according to the general computer technology. Although computer systems are connected to each other by network to exchange manufacturing data, these software systems are independent from the software system on the other computer system. The aim of this study is to develop a software platform for realizing a unified computing environment that shares mutually software modules between each computer system in a manufacturing system. This study proposes a concept of more flexible manufacturing software platform by the distributed object technology, and describes development of a new generation Computerized Numerical Controller (CNC in short) based on the proposed concept.
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