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研究了钣金数控冲切加工中零件信息模型的建立、自动优化排样、冲切工艺处理和ＮＣ代码生成。开发了一个集上述功能为一体的集成化钣金数控冲切加工自动编程系统，并进行了实例研究。
The establishment of part information model in NC punching process of sheet metal is studied, and the arrangement of punching process, punching process and NC code are automatically optimized. An integrated automatic programming system of CNC sheet metal blanking machining with the above functions has been developed and a case study has been carried out.