Bearing inner ring (shaft circle) of the basic cylindrical hole or holes in the internal taperedcylinder or cone in the axis line access.
轴承内圈(轴圈)的基本圆柱孔或圆锥孔的内接圆柱体或内接圆锥体的轴心线。
2
A threaded neck ring is secured to the tapered end of the cylinder to allow a protective cylinder cap to be installed.
车有螺纹的颈环固定在钢瓶的锥形端，可以安装保护性瓶帽。
3
Through theoretical analysis, probability revisal and experimental test, the limit drawing ratio of a tapered cup drawn by cylinder convex punch and tapered concave die is determined in tis paper.