In response to the problems existing in the assembly process of a certain mechanism assembly,a PLC based automatic assembly technology is proposed to automate the assembly process of a certain mechanism assembly.Based on the analysis of the overall process flow of automatic assembly,the hardware of the PLC control system is selected and the I/O wiring diagram of the hardware is drawn.Then,the control program of the control system is designed using a ladder diagram.The expected goal of automation upgrade and transformation has been achieved.
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