【摘要】 利用美国NI公司的LabWindows/CVI为软件开发平台,结合实验室现有的测量条件和基于PC的数据采集卡,开发研制了轴线直线度误差虚拟测量仪.该仪器将形位误差测量技术与虚拟仪器技术相结合,用轴线直线度误差的最小二乘评定法、最小区域评定法,解决了轴线直线度误差的测量问题.并且将误差图形在屏幕上形象、直观地显示出来,有利于分析误差产生的原因,以便控制制造误差.该仪器测量精度高,工作稳定,制造成本低,并具有良好的功能扩展能力,既可用于实验教学,又可用于生产实际.更多还原

【Abstract】 The measuring instrument was developed on the latest software platform LabWindows/CVI supplied by an American company,i.e.,the National Instruments,with the data acquisition card and existing lab apparatus used as hardware platform.The virtual measuring instrument combines the technology to measure the form position error with virtual instrument to evaluate the axis straightness error by least square method and minimum zone estimation.Then,the image of axis straightness error is able to display on screen visually,thus analyzing the cause of axis straightness error.The measuring instrument has the advantages of high accuracy,reliable and stable operation and low cost,especially the excellent function expandability.It is available to lab teaching and industrial applications.更多还原