According to the intermeshing mechanisms of co and counter rotating twin screws, the 3D solid modeling of twin screw was realized by using Mechanical Desktop(MDT) of AUTODESK in this paper.
本文根据双螺杆横截面几何造型方程，运用MDT软件包，实现了同向和异向旋转双螺杆的三维实体造型。
The radian of the arc-shaped blade can be adjusted through rotating the control screws.
旋转控制螺丝可以调节弧形刀片的弧度。
The square-shaped middle part of the main frame is matched mutually with an internal telescoping rod (square) to hold the screws to prevent the screws from rotating.
主架中部是正方形的，和内部的伸缩杆(正方形)相互配合，顶住螺丝防止其旋转。
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