基于PCI数据采集卡的钣金冲裁过程自动监测系统  

Automatic Monitoring System of Sheet Metal Blanking Process Based on PCI Data Acquisition Card

作　　者：陈建勋 吴少杰 刘忠伟 陈达安 CHEN Jian-xun;WU Shao-jie;LIU Zhong-wei;CHEN Da-an(Zhuhai Branch,Guangdong Institute of Special Equipment Inspection and Research,Zhuhai 519002 China;ANYES Technology Co.,Ltd.,Zhuhai 519000 China)

机构地区：[1]广东省特种设备检测研究院珠海检测院,广东珠海519002 [2]珠海市安粤科技有限公司,广东珠海519000

出　　处：《自动化技术与应用》2020年第3期126-130,共5页Techniques of Automation and Applications

摘　　要：在钣金件冲裁过程中,冲裁曲线的高速记录对于全面了解材料动态受力状况,研发新材料和冲裁工艺的优化具有重要意义。开发了基于多功能数据采集卡的钣金冲裁过程自动监测系统。该系统利用压力传感器监测液压机油缸压力,利用光栅位移传感器监测冲头运动行程,可实时显示"时间-行程-冲裁力"曲线和"行程-压力"曲线,行程结束后自动计算最大冲裁力和最大剪切应力。利用涡流接近开关可自动提供数据采集触发信号,以实现冲裁过程自动监控。In the process of sheet metal parts blanking, the high-speed recording of the blanking curve is of great significance for a comprehensive understanding of the dynamic state of the material, the development of new materials and the optimization of the blanking process. A sheet metal blanking process automatic monitoring system based on multi-function data acquisition card is developed. A ressure sensor is used to monitor hydraulic cylinder pressure and a grating displacement sensor is used to monitor punch movement process. The real-time"time-stroke-punching force"and"stroke-pressure"curves can be obtained. The maximum punching force and maximum shear stress can be automatically calculated after a stroke. To realize automatic monitoring of the blanking process, a data acquisition trigger signal is provided by en eddy current proximity switch.

关 键 词：数据采集卡 监测系统 冲裁曲线 钣金件 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置]