检测圆锥管螺纹基面中径的方法有很多,但测量过程复杂。
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。
A simple, easy to use, correct and reliable for measurement of single pitch diameter of inner thread is provided.提供了一种简便易行、准确可靠的测量内螺纹单一中径的手段。