spiral-shaped rotor

The three parallel axis gear-bearing-rotor system dynamic characteristics change little while skew gear spiral angle varies between 8 degree and 20 degree.

斜齿轮螺旋角在8度到20度间变化时，三平行轴齿轮轴承转子系统的振动特性基本没有变化。

Performance of compressor is very wide difference when spiral angle and rotor lead of compressor are different even if rotor profile is same and rotor diameter is equal.

即使是相同类型的转子型线和直径相等的阴、阳转子，当阴、阳转子的螺旋角和导程长度不等时，压缩机的性能也有很大差别。

The most ellipse 4-wing rotors installed in Banbury mixer are used popularly in the large size of tire factories of China, the working part of rotor is spiral wing body shape and its structure affects the quality of compound and the productivity directly.

我国大型轮胎厂普遍使用的本伯里型密炼机上转子均为椭圆形四棱转子，转子的工作部分螺旋棱体形状及其结构直接影响炼胶质量和生产效率。

Takes the screw type compressor rotor as an example, a calculating method of unknown section profile of spiral surface and its conjugate shape is introduced and practical formulas are given.

以螺杆压缩机转子为例，介绍了未知螺旋面端截面轮廓及其啮合的共轭齿形求法，给出了实用计算公式。

Effect of spiral angle and rotor lead of compressor on performance is researched.

分析了转子螺旋角和导程对螺杆压缩机性能的影响，研究了环境温度对压缩机性能的影响。