双螺杆压缩机的设计机械毕业设计

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1、 双螺杆压缩机的设计 【摘要】 双螺杆压缩机是一种比较新颖的压缩机，因其可靠性高、操作维修方便、动力平衡性好、适应性强等优点， 而得到广泛地应用 。双螺杆压缩机已经超过所有工业压缩机的 50 ，其市场份额超过 80 ，今后其市场份额还将继续扩大。可见，研究双螺杆压缩机具有十分重要的意义。本课题主要是设计通用的喷油双螺杆空气压缩机，采用单边不对称摆线 -销齿圆弧型型线，阴、阳转子齿数比为 6： 4。设计新型转子型线，目的是使接触线长度、泄漏三角形面积和封闭余隙容积 3 者达到最优化设计，以进一步提高双螺杆压缩机的机械性能。重 点研究的是双螺杆压缩机的转子型线设计、几何特性、受力分析、热力学计算。

2、 【关键词】 双螺杆压缩机 转子型线 啮合线 齿间容积 The design of twin screw compressor Abstract The twin-screw compressor is a kind of newly emerging compressor. Because of its high reliability, easy repair, good balance and good adaptability etc, and widely applied to such. By designing the project, the volumetric effici

3、ency is 70%, the compressed temperature is more 80。 It is very important to design and research a twin-screw compressor in industrial. The project is to design a universal twin-screw air compressor, and to adopt single side asymmetric swept line unilaterally and dowel tooth circular rotor profile. T

4、here are six lobes on the female rotor and four lobes on the male rotor. The aim of designing a new rotor profile is to optimize the contact line length, blowhole area and clearance volume. That can improve the mechanical performance of a twin-screw compressor further. The project is mainly to research a twin-screw compressor rotor profile, geometry characteristic, mechanics analysis, thermodynamics calculation Keywords A twin-screw compressor, rotor profile, mesh curve, tooth space volume.