LZG-30單頭螺桿型干式真空泵的建模與仿真論文[帶圖紙].doc

I本科畢業(yè)設(shè)計(論文)題目：LZG-30單頭螺桿型干式真空泵的建模與仿真系別：機電信息系專業(yè)：機械設(shè)計制造及其自動化班級：姓名：學號：導師：2013年05月06日IILZG-30單頭螺桿干式真空泵的建模與仿真摘要本文的研究對象,螺桿型干式真空泵,吸入腔沒有任何工作液,保證了空間用泵無污染；沒有油蒸汽排放,保證清潔的外部環(huán)境。由于轉(zhuǎn)子齒面之間有間隙,因而可以抽除含有灰塵或腐蝕性的有毒氣體。本課題主要集中在以下幾個方面:基本原理的干式螺桿真空泵,陰陽轉(zhuǎn)子螺桿型線的研究,螺旋型面線是單邊等螺距型線,演繹數(shù)學的計算,建立幾何模型面型線方程推導,然后螺旋齒面方程推導。幾何特征研究等。設(shè)計完成后應(yīng)用solidworks軟件做運動仿真對真空泵轉(zhuǎn)子做三維建模,并且模擬轉(zhuǎn)子運動展示其工作過程.關(guān)鍵詞:干式螺桿真空泵轉(zhuǎn)子型線三維建模運動仿真IIIModelingandSimulationofLGZ-30singlescrewdryvacuumpumpAbstractTheresearchobjectofthispaper,Dryscrewvacuumpump,Thesuctionchamberwithnoworkingfluid,ensurethespaceispumpedfrompollution；Nooilvaporemissions,guaranteethecleanoftheexternalenvironment.DuetothegapsbetweentherotortoothsurfaceofYinandYang,thusitcanbepumpedinadditiontocontainingdust,orcorrosive,poisonousgases.Theauthorstudiesmainlyfocusonthefollowingaspects:thebasicprinciplesofdryscrewvacuumpump.YinandYangscrewtypelineofresearch.Screwtypefacelinemadebilateralsymmetriccirculararcline,deducethemathematicalexpressionsofmeshingprinciple,establishgeometricmodelfacetypelineequationisdeduced,andthenscrewtoothsurfaceequationisdeduced.Geometriccharacteristicsresearch,etc.AfterthedesigniscompletedusingSolidWorkssoftwaretodomotionsimulationtodo3Dmodelingofvacuumpumprotor.Andthesimulationofrotormotiondisplaytheirworks.Keywords:dryscrewvacuumpumprotortypelineThree-dimensionalmodelingMotionsimulationIV目錄緒論.11螺桿型干式真空泵的概述.21.1課題背景及研究意義.21.2螺桿真空泵在國內(nèi)外的研究現(xiàn)狀與發(fā)展方向.41.3論文包括的主要內(nèi)容.51.4論文的組織結(jié)構(gòu).62螺桿干式真空泵轉(zhuǎn)子型線的研究.72.1常見轉(zhuǎn)子型線比較.72.2單頭等螺距矩形螺紋轉(zhuǎn)子型線.82.2.1轉(zhuǎn)子型線要素.82.2.2轉(zhuǎn)子型線設(shè)計原則.92.2.3轉(zhuǎn)子螺旋齒面方程.103螺桿干式真空泵工作原理.123.1吸氣過程.123.2壓縮過程.123.3排氣過程.134螺桿干式真空泵設(shè)計計算.144.1螺桿基本尺寸.144.2排氣量.164.2.1理論排氣量.164.2.2實際排氣量.174.3進排氣孔口.18V4.3.1軸向進氣口.184.3.2軸向排氣口.194.4極限真空度、功率及冷卻水量.194.5軸的強度計算.204.6同步齒輪的設(shè)計計算.204.6.1齒輪尺寸計算.214.6.2齒輪強度校核.215單頭螺桿干式真空泵的應(yīng)用.225.1應(yīng)