| Laser cutting is an important application technology and the most widely used processing method in laser processing industry. Currently laser cutting has been widely used in all kinds of machinery manufacturing and processing industries. The open CNC system is the development trend of CNC system. The total software CNC system which is the latest open CNC system provides a high degree of open architecture. And it becomes one of the hottest research subjects.The total software CNC system of laser-cutting machine has been developed in this paper, which can implement two-axis control of laser-cutting machine and laser monitoring. The following are the main contents of this paper:The first chapter discusses the development of laser-cutting machine and CNC techonology at home and abroad, explains research objectives and research significance, proposes research contents and research methods.The second chapter describes the hardware designing of total software CNC system based on ARM and CPLD structure, disscusses the characteristics and advantages of this structure, establishes a hardware system according to the hardware designing.The third chapter describes the development tools C sharp language of the control software of CNC system and .NET runtime platform of C sharp language, analysises the control software, and sets up its modules.The forth chapter describes the implementation of programming module of control software, designs a special NC code for laser-cutting, and studies file convertion algorithms of CAD files and path optimal algorithms of laser-cutting.The fifth chapter describes the implementation of motion control module of control software, discusses the theory of sampled data interpolation algorithm, proposes optimal sampled data interpolation algorithm , discusses the interrupt control algorithm, makes experiment about motion control to verify the accuracy of the motion control.The last chapter summarizes this paper and prospectes the following research.
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