錐齒輪模壓淬火變形分析及淬火工藝研究.pdf

1、獨(dú)創(chuàng)性聲明本人聲明所呈交的論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過(guò)的研究成果，也不包含為獲得寧夏大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過(guò)的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均已在論文中作了明確的說(shuō)明并表示了謝意。研究生簽名：融濤劣時(shí)間：ⅪJ￥年孓月謂關(guān)于論文使用授權(quán)的說(shuō)明本人完全了解寧夏大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定，即：學(xué)校有權(quán)保

2、留送交論文的復(fù)印件和磁盤，允許論文被查閱和借閱，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。同意寧夏大學(xué)可以用不同方式在不同媒體上發(fā)表、傳播學(xué)位論文的全部或部分內(nèi)容。研究生簽名：導(dǎo)師簽名陸海雀時(shí)間：必抖年豎月船時(shí)間：Ⅺ1壚年兮月芻0AbstractHeattreatmentisaveryimportantbasictechnologyofmechanicalpartsprocessingplaysanimportantrole

3、inimprovingtheperformanceoftheparts，prolongtheservicelifeandenhancethemarketcompetitivenessofproductsQuenchingoccupiesanextremelyimportantpositionintheheattreatmentImportantmechanicalparts，generallyaresubjecttoquenching，

4、andquenchedpartsusuallyonlymicromachiningprocesscanmeettheuserequirementsHoweverthepartstobesubjectedtoseverequenchcoolingprocesscausesdeformationofpartseasilyevenonthesubsequentuseofmechanicalprocessingwilladverselyaffe

5、ct，therefore，itisveryimportanttostudythequenchingprocessInthispaperabevelgearquenchingpressastheresearchobjectStartingfromthegeneraldeformationofsimplepartsquenchingusingANSYSsoftwaretosimulatequenchingtemperaturefield，s

6、tressfieldanddeformationtrendsofthebevelgeartheimpactoftheinteractionbetweeneachdeformationhardeningandhardeningprocessforallrelevantfactorsconductedasystematicanalysis，discussionandresearchBasedontheanalysisofbevelgearq

7、uenching，usingANSYSsoftwaretosimulatethebevelgearemeraldfirecoolingtemperaturefield，stressfieldanddeformationtrends，thefollowingconclusions：1ComputersimulationCanaccuratelysimulatethetrendbevelgearquenchingprocesstempera

8、ture，andresidualstressdistributionandthedistributionofdeformation；2WhentheflowrateofthequenchingmediumbevelgeartakeO6m／Sc鋤avoidthe”nose”toachievequenchingwhileitstemperatureischangedslowlyarelativelymoreuniformtemperatur

9、edistributionbutkeeptheflowconstantintheentireprocess，itwouldhavemoreofitscomponentsalargeamountofdeformation，themaximumdeformationofthesimulation15ram；3Segmentedusingvariableflowcooling，Caneffectivelyreducethedeformatio

10、nhardeningUndersimulatedconditions，thefirststageoftheflow500L／minwhichlasted20s；secondphaseflow400I。／min，whichlasted60s；thirdphaseflow650L／Ininwhichlasted100s，comparedwithaconstantflowofcoolingcanreducethemaximumdeformat