【作者】 张华德； 李蓓智； 杨建国； 庞静珠；

【Author】 Zhang Huade, LiBeizhi, Yang Jianguo, PangJingzhu(College of Mechanical Engineering, Donghua Univ., Shanghai 200051, China)

【机构】 东华大学机械工程学院；

【摘要】 本文构造了一种基于多传感器的加工过程监测系统,介绍了机床信号采集方法及采集装置的硬件配置,讨论了信号预处理方法及其参数处理。通过采集和分析机床工作时的电流、电压、振动、声发射等信号,提取信号特征值,进而寻找信号的变化规律或趋势,为进一步优化工艺参数、提高生产效率、提高和预测工艺质量,避免机床故障等提供实时可靠的基础数据。更多还原

【Abstract】 This paper constructs a multi-sensor-based process monitoring system for NC machining, introduces means of signal acquisition of machine tool and hardware of acquisition installation, discusses means of signal pretreatmcnt and parameters disposal. The current, voltage, vibration and acoustic signals of NC machining are acquired and analyzed. Extracting features and finding the change current of signal, to provide Real-time reliable basic data for optimizing technical parameter, increasing efficiency of production, forecasting technical quality and avoiding faults.更多还原