By taking 135 three-screw pump as an example, the geometric parameter design, the forming of spiral surface and the characteristic of screw gearing are investigated.
以135型三螺杆泵为例，对螺杆几何参数设计、螺旋型面的形成、螺杆啮合特性进行了探讨。
Spiral bevel gear is important transmission fundamental component applied in modern gearing.
螺旋锥齿轮是现代传动系统中的重要部件。
It USES spiral to feed the material, and the feed gearing is suitable for a comparatively worse fluidity of powdery material.
采用螺旋给料，该给料机构适用于流动性较差的粉状物料，物料是由给料机构强行排出。
It USES spiral to feed the material, and the feed gearing is suitable for a comparatively worse fluidity of powdery material.
采用螺旋给料，该给料机构适用于流动性较差的粉状物料，物料是由给料机构强行排出。
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