This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.
本文介绍一种测量石油螺纹量规的螺旋线、中径、锥度和牙形半角的新方法及装置。
Meanwhile, we change the thread parameters, study the stress distribution caused by changing the pitch, taper and thread Angle, this work can provide a reference for manufacture.
同时改变钻具接头的螺纹参数，研究螺距、锥度、牙型角的改变对其应力分布的影响，为钻具接头的生产加工提供参考。
Based on the "three-ball" measurement theory and the machine vision technology, a novel instrument for measuring taper thread is introduced. At the same time, image pre-process technology is analyzed.
前言：基于螺纹测量“三针法”的原理，使用机器视觉的方式，研制开发了三维自动锥螺纹检测系统本体，对图像处理技术中的预处理部分做了简单探讨。
The equations for thread taper, thread pitch, thread angle and height of thread can be derived on the base of fitted lines, which are accurate enough to meet the needs of industrial measurement.
该方法可测量螺纹的锥度、螺距、螺纹夹角和螺纹高度，测量精度可以满足工业测量要求。
The equations for thread taper, thread pitch, thread angle and height of thread can be derived on the base of fitted lines, which are accurate enough to meet the needs of industrial measurement.
该方法可测量螺纹的锥度、螺距、螺纹夹角和螺纹高度，测量精度可以满足工业测量要求。
应用推荐