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1·A method of the image processing and measurement of the internal taper thread was proposed.

提出了电极圆锥内螺纹的图像处理及检测方法。

2·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。

3·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。

4·The results showed that the major cause of thread gluing is over plastic deformation of partial thread face, and that the distribution of contact stress can be improved with the taper mutation, wh...

认为产生粘扣的主要原因是螺纹齿面局部过量的塑性变形，通过变锥度的方式能使接触应力分布规律得到改善，并在现场生产中得到验证。

5·Male thread need more taper Do have water in cores?

外螺纹需要更多锥形螺纹内核是否有水？

6·The interior circumferential wall of the connecting pole can be equipped with the thread hole or the taper hole connecting with a machine tool and an electric drill.

连接柱的内圆周壁上可设有与机床和电钻连接的螺纹孔或锥孔。

7·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。

8·The taper and pitch diameter of API round thread casing are two of the most important parameters.

API圆螺纹的锥度和中径是两个重要的参数。

9·The new structure of a taper pin connection with external thread is introduced.

介绍了一种外端带有螺纹的圆锥销联接的新型结构。

10·The taper tap can effect different fishing operations when equipped with RH thread or LH thread drill pipes and other tools.

公锥与正、反扣钻杆及其他工具配合使用，可实现不同的打捞工艺。