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容器在送进螺杆上送进时,两者的轴心线互相垂直不相交,距离为定值。当螺杆螺旋槽的轴向截面与容器的径向截面一致时,螺杆与容器呈线接触,接触线位于螺杆的水平轴向截面上,如图1。从图1还可看出,容器与螺杆外圆毛坯的关系实质上是两圆柱体垂直相贯。相贯线包围的曲面就是容器与螺杆毛坯的接触面。显然,要使得容器在螺杆螺
When feeding the container into the screw, the axis of the two perpendicular to each other do not intersect, the distance is constant. When the axial section of the screw spiral groove is consistent with the radial section of the container, the screw and the container are in line contact, and the contact line is located on the horizontal axial section of the screw, as shown in FIG. 1. It can also be seen from Figure 1, the relationship between the container and the outer cylindrical screw is essentially perpendicular to the two cylindrical body. The curve of the intersection line is the contact surface between the container and the screw blank. Obviously, to make the container screwed in