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(jì)(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(jī)電信息系專業(yè)：機(jī)械設(shè)計(jì)制造及其自動(dòng)化班級(jí)：姓名：學(xué)號(hào)：導(dǎo)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(duì)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(wú)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(gè)方面:基本原理的干式螺桿真空泵,陰陽(yáng)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(xué)的計(jì)算,建立幾何模型面型線方程推導(dǎo),然后螺旋齒面方程推導(dǎo)。幾何特征研究等。設(shè)計(jì)完成后應(yīng)用solidworks軟件做運(yùn)動(dòng)仿真對(duì)真空泵轉(zhuǎn)子做三維建模,并且模擬轉(zhuǎn)子運(yùn)動(dòng)展示其工作過(guò)程.關(guān)鍵詞:干式螺桿真空泵轉(zhuǎn)子型線三維建模運(yùn)動(dòng)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(guó)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(jì)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(guò)程.123.2壓縮過(guò)程.123.3排氣過(guò)程.134螺桿干式真空泵設(shè)計(jì)計(jì)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(shí)際排氣量.174.3進(jìn)排氣孔口.18V4.3.1軸向進(jìn)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(qiáng)度計(jì)算.204.6同步齒輪的設(shè)計(jì)計(jì)算.204.6.1齒輪尺寸計(jì)算.214.6.2齒輪強(qiáng)度校核.215單頭螺桿干式真空泵的應(yīng)用.225.1應(yīng)