taper thread

基本解释

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。
In order to perform non-damage measurement on internal taper thread of electrode, a new measurement method based on CT technology and the image processing technology is put forward.
将CT技术和图像处理技术相结合，提出了电极圆锥内螺纹的无损检测方法。
Demoulding mechanism of taper thread and arc side core-pulling mechanism was used in the mold, and the design process of other make up, and working process of the mould are specified in detail.
以塑料斜齿轮注射模为例，介绍了一种动作可靠，结构简单、新颖的斜齿轮注射模脱模机构，并对塑件成型工艺、模具结构、浇注系统设计、抽芯机构等进行了分析和探讨。