摘要
针对外螺纹中径测量的特点和难点,提出了对外螺纹中径测量的一种非接触式测量的新型方法,主要包括激光的测量及应用、光栅位移检测、机械结构精密设计和计算机数据处理等。该系统中激光检测的精度可达2μm,光栅位移检测精度可达1μm。该测量装置可以满足大多数外螺纹中径测量的要求,可以有效避免接触式测量外螺纹中径时因测量方式引起的变形问题。详细阐述了测量系统的组成、测量方法、激光测量器的工作原理、数据算法、处理及误差分析等。
According to the characteristics and difficulties of measuring the diameter of the external thread, proposed a new method for non-contact measurement of the external thread diameter measured mainly includes laser measurement technology, grating displacement detection technology, precision mechanical structure and computer-aided design technology data processing technology. Accuracy of laser detection in the system of 2 μm, Raster displacement detection precision can reach 1 μm. The measuring device can meet most of the external thread pitch diameter measurement requirements, To avoid deformation of the traditional contact measurement of external screw diameter of workpiece caused by, improve the measurement accuracy and measurement efficiency. The paper expounds the measuring method, measuring device composed of data processing, algorithm, and error analysis etc..
出处
《煤矿机械》
2015年第10期94-96,共3页
Coal Mine Machinery
关键词
螺纹中径测量
光栅尺
数据处理
external thread pitch diameter measuring
grating sensor
data processing