復(fù)合材料機(jī)床床身動態(tài)特性的理論與試驗(yàn)研究及結(jié)構(gòu)優(yōu)化.pdf

1、聲明本學(xué)位論文是我在導(dǎo)師的指導(dǎo)下取得的研究成果，盡我所知，在本學(xué)位論文中，除fjj口以標(biāo)注和致謝的部分外，不包含其他人已經(jīng)發(fā)表或公布過的研究成果，也不包含我為獲得任何教育機(jī)構(gòu)的學(xué)位或?qū)W歷而使用過的材料。與我一同工作的同事對本學(xué)位論文做出的貢獻(xiàn)均已在論文中作了明確的說明。研究生簽名：矽f7年弓月7日學(xué)位論文使用授權(quán)聲明南京理工大學(xué)有權(quán)保存本學(xué)位論文的電子和紙質(zhì)文檔，可以借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容，可以向有關(guān)部門或機(jī)構(gòu)送交并授

2、權(quán)其保存、借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容。對于保密論文，按保密的有關(guān)規(guī)定和程序處理。研究生簽名：為門年歲月7日Abstract碩士學(xué)位論文AbstractThelathebedisthebasicpartofamachinet001Itprovidessupportforworkbench，toolholderandothercomponentsandsuffersthecuttingforcesandotheralterna

3、tingloadsatthesametimeAlternatingloadscancausevibrationofthebedandseriouslyaffectthemachiningaccuracyAsthedampingofcastironisverysmall，castironbedwillhaveagreateramplitudeofvibrationwhenitisintheworkingstationInrecentyea

4、rs，peoplehavedevelopedresin—mineralmaterialandit’SdampingistentimesofcastironUsingresin—mineralmaterialtomanufacturethebedcanreducetheamplitudeofvibrationandimprovethemachiningaccuracyofthemachinet001Inthispaper，agrinder

5、bedmadeofresinmineralmaterialisdesignedonthebasisoforiginalcastironbedThestrengthchecksoftheguideswerecarriedoutonthebasisofforceanalysisandfiniteelementsimulationThedynamiccharacteristicsofthebedwerestudied，includingmod

6、alanalysisandtests，transientdynamicanalysisThesimulationresultsofthegrinderbedarecomparedwiththeexperimentalresults，whichverifiedthecorrectnessofthefiniteelementmodelTheexperimentalresultsofcastironbedwerecomparedwithres

7、in—mineralmaterialbed，whichshowedthatresin—mineralmaterialbedhadbetterdynamiccharacteristicsThestructureofthebedwasanalyzedsynthetically，andtheembeddedpartswereappliedtOtheresin—mineralmaterialbedThereinforcedbedwassimul

8、atedtoverifyitsvalidityThenthesizeoptimizationwascarriedout，thesizeswhichcontributedgreatlytothedynamiccharacteristicsofthebedweresetasparametersTheANSYSparametricdesignwascarriedoutwiththefirstnaturalfrequencyasthetarge

9、tandthevolumeofthebedastheconstraint，thenthefinaloptimizationplanwasobtainedFinally，thefinaloptimizationplanwasverified，theresultsshowedthatthefirstnaturalfrequencyofthebedincreasedby47％whenthevolumeofbedincreasedby2％and