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中文摘要 雙螺桿壓縮機的設(shè)計 【摘要】雙螺桿壓縮機是一種比較新穎的壓縮機，因其可靠性高、操作維修方便、動力平衡性好、適應性強等優(yōu)點，而廣泛地應用于礦山、化工、動力、冶金、建筑、機械、制冷等工業(yè)部門。雙螺桿壓縮機已經(jīng)超過所有工業(yè)壓縮機的50 ％，其市場份額超過80 ％，今后其市場份額還將繼續(xù)擴大?？梢姡芯侩p螺桿壓縮機具有十分重要的意義。本課題主要是設(shè)計通用的噴油雙螺桿空氣壓縮機，采用單邊不對稱擺線-銷齒圓弧型型線，陰、陽轉(zhuǎn)子齒數(shù)比為6：4。設(shè)計新型轉(zhuǎn)子型線，目的是使接觸線長度、泄漏三角形面積和封閉余隙容積3者達到最優(yōu)化設(shè)計，以進一步提高雙螺桿壓縮機的機械性能。重點研究的是雙螺桿壓縮機的轉(zhuǎn)子型線設(shè)計、幾何特性、受力分析、熱力學計算。 【關(guān)鍵詞】雙螺桿壓縮機 轉(zhuǎn)子型線 嚙合線 齒間容積 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 industrial departments as mine, chemical industry, power, metallurgy, architecture, machinery, refrigeration, etc. By designing the project, the volumetric efficiency 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. There 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. Ⅵ