First of all, Based on the flame cutting technology and CNC flame cutting machine at home and abroad on the analysis, on the overall structure of the flame cutting machine has been designed, the overall use of gantry-type institutions, workpiece and cutting sports use motor driven hydraulic pump control system of its exercise and cutting process. As the flame cutting work piece, so no cutting force. In the hydraulic power stations and cutting machine sliding movement control of the two parts of the order, I use a Omron PLC control system and PLC ladder were carried out its line graph design. Used in the design process of modular design to enable easy implementation calls. Finally, in order to more easily express my thoughts, I also draw a diagram of the flame cutting machine assembly.
Key words: flame cutting machine hydraulic control system PLC

First this article through to the torch cutoff technology and the numerical control flame cutter's domestic and foreign present situation's analysis, carried on the design to the flame cutter's gross structure, the whole has used the Dragon Gate type organization, the work piece to feed and the cutting movement selects the electric motor to lead hydraulic pump's hydraulic control system to carry on the movement and the cutting process to it. Because is the torch cutoff work piece, therefore does not have the cutting force. In the hydraulic pressure power sliding table and in the cutter movement these two part of sequential control successively, I have used one set of ohm dragon PLC control system, and has carried on the PLC ladder good chart design separately to it. Has used the modular design method in the design process, in order to facilitate realizes the transfer. Finally, for easier to express my thought that I have also drawn up the flame cutter's assembly schematic drawing. key word: Flame cutter, PLC hydraulic pressure, control system

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