对螺旋面的成形机理进行了分析。
Firstly, this paper researched the forming mechanism of the helicoidal surface.
介绍了螺旋面的形成和展开方法。
The forming and spreading methods of the spiral surface are introduced.
螺旋面的形式有实体螺旋（S制法）和带式螺旋（D制法）两种。
Helicoid spiral form of entity (S method) and the spiral belt (D method) two.
该方法和技术可以有效的支持同向双螺杆圆柱螺旋面的加工刀具的优选。
The technique and the approach can effectively aid the designing and choosing of cylinder helical surface machining tools for co-rotating twin-screw.
本文主要讨论延长渐开线螺旋面的形成条件、变化范围以及它的投影图绘制方法。
The paper deals with the generation conditions, variable ranges and the drawing of the projective view of the elongate involute helical surface.
为简化旋转楼梯的设计、图示、施工及剖面形状，对螺旋面的形成进行了分析，建立了螺旋面的数学模型。
To simplified the designing, diagram presentation, construction and profile of helicoidal stair, the formation of helicoid is analyzed, and it's mathematical model is studied.
除选定滑动面为对数螺旋面—对数螺旋面—平面的形式外，没有其他任何的简化或假定。
Except that the selected sliding surface is formed by logarithmic helicoidal surface-logarithmic helicoidal surface-plane, no other simplifications or assumptions are made.
除选定滑动面为对数螺旋面—对数螺旋面—平面的形式外，没有其他任何的简化或假定。
Except that the selected sliding surface is formed by logarithmic helicoidal surface-logarithmic helicoidal surface-plane, no other simplifications or assumptions are made.
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