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簡介：中北大學信息商務(wù)學院本科畢業(yè)設(shè)計英文參考資料題目DIAMONDGRINDINGOFGLASSAND140METALBONDEDSUPERSMOOTH系名機械工程系專業(yè)機械設(shè)計制造及其自動化姓名黨志杰學號12020144X42指導教師指導教師趙麗琴職稱副教授2016年6月2日與磨削方向且小于切削刃的磨損寬度。第二步，工件稍微注水一節(jié)，與磨削方向平行，兩個輪圈的重疊橫截面在注水前后形成的幾何粗糙表面和地面視差比所需的粗糙表面更加光滑，然后與地面接觸寬度一定的工件輪再使地面工件向反方向磨削，通過重復(fù)這樣的研磨程序，工件的整體表面完成。3實驗如圖3所示，該實驗是在研磨機數(shù)字計算機控制下進行的。借用空氣的粉碎機主軸每次朝著X,Y,Z方向的移動都可以精確到01ΜM。實驗條件總結(jié)如表1所示。金屬鍵砂輪的晶粒尺寸和濃度分別為L40和50。玻璃用的是一種干凈的陶器。這個研磨液用的是可溶型的，包括大量的陰離子表面活性劑。地面工作部件粗糙表面的觀察和測量使用了顯微鏡，掃描電鏡，干涉儀和原子力顯微鏡。

簡介：畢業(yè)設(shè)計畢業(yè)設(shè)計論文論文外文資料翻譯外文資料翻譯原文題目目MICROTHREADINGINWHIRLING原文來源源ASME美國機械工程師學會期刊學生姓名名馬鑫學號號231120522所在院所在院系部部工業(yè)中心工業(yè)中心專業(yè)名稱稱機械設(shè)計制造及其自動化圖1螺紋旋轉(zhuǎn)圖2MICROWHIRLING機床在切削參數(shù)切削厚度。這個切削厚度進行驗證其效果的螺紋薄絲旋風。旋轉(zhuǎn)旋轉(zhuǎn)旋轉(zhuǎn)是應(yīng)用于機械螺絲的組合工具和工件的旋轉(zhuǎn)，如圖1所示。切割工具固定在旋轉(zhuǎn)環(huán)上的半徑，以及環(huán)的旋轉(zhuǎn)在角速度XT。隨著工件半徑RW在與在旋轉(zhuǎn)環(huán)旋轉(zhuǎn)角速度XW偏心電子控制著切割的深度。在旋轉(zhuǎn)的在低轉(zhuǎn)速下旋轉(zhuǎn)工件被切割切割邊旋轉(zhuǎn)的高轉(zhuǎn)速。螺絲的鉛由旋轉(zhuǎn)環(huán)的傾斜和進給速度控制關(guān)于工件軸。在車削一個小直徑的工件時，切削速度受到限制要低的最大限度的主軸轉(zhuǎn)速，作為結(jié)果，表面光潔度變差。在旋轉(zhuǎn)，切割速度是由旋轉(zhuǎn)半徑和旋轉(zhuǎn)控制在旋轉(zhuǎn)環(huán)的切削工具率XT。因此，表面可以在一個細的電線上完成，即使是高的切削速度雖然最大主軸速度是有限的。因為工具和工件旋轉(zhuǎn)偏心中心，切削和旋轉(zhuǎn)軸工件空心電動機Y軸空心電動機刀具

簡介：南京工程學院南京工程學院畢業(yè)設(shè)計畢業(yè)設(shè)計論文論文外文資料翻譯外文資料翻譯原文題目目PSEUDOPOLARBASEDESTIMATIONOFLARGETRANSLATIONSROTATIONSANDSCALINGSINIMAGES原文來源源SIAMJOURNALONIMAGINGSCIENCES,2009,22614645學生姓名名黃小飛學號號201080418所在院所在院系部部機械工程學院專業(yè)名稱稱機械電子工程2之前基于FFT的圖像配準的結(jié)果。實驗結(jié)果在第4節(jié)進行了討論，最后的結(jié)論是在第5節(jié)。2前相關(guān)工作前相關(guān)工作21變換估算傅立葉基于運動估算的基礎(chǔ)上的，是旋轉(zhuǎn)特性的傅立葉變換，表示由（1）??,?,YXWWFYXF???傅里葉變換的，然后，（2）????????EFEWWYYXXFYYWXXWJYX?????????,,?公式（2）可用于圖像的平移的估算，假設(shè)圖像I1（X，Y）和I2（X，Y）一些重疊，（3）????YXYYXX,,21????????方程（3）是傅里葉變換，使（4）??????YXYWXWJYXWWWWEYX,2,1????????和（5）??????EWWIWWIYWXWJYXYXYX??????,,12因此，轉(zhuǎn)換參數(shù)（）可以在空間域的EQ5采取逆FFT估計YX??,（6）????????YYXXEYXCORRYWXWJYX????????,,1??和通過相關(guān)函數(shù)CORR（X，Y）來尋找最大值的位置（7）???????????????????YXCORRYXYX,MAX,ARG為了補償可能誤差強度式5改寫為（8）??????????EFFFFWWCORRYWXWJYXYXYXYXYXWWWWWWWWYX??????,,2,1,2,1,

簡介：PROCEEDINGOFINTERNATIONALSEMINARONPRODUCTDESIGNANDDEVELOPMENT2006YOGYAKARTAINDONESIA,DECEMBER13–14,2006IMPROVINGQUALITYOFINJECTIONMOLDUSINGMOLDFLOWSOFTWARESIMULATIONCASESTUDYNEWDESIGNPLASTICCUPHARIYANTOGUNAWAN1ANDWILLYANTOANGGONO2MECHANICALENGINEERINGDEPARTMENT,FACULTYOFINDUSTRIALTECHNOLOGYPETRACHRISTIANUNIVERSITY1,2PRODUCTINNOVATIONANDDEVELOPMENTCENTREPETRACHRISTIANUNIVERSITY1,2JLSIWALANKERTO121131,SURABAYA60236EMAILHARIYANTOPETERPETRAACID1,WILLYPETRAACID2ABSTRACTNOWADAYS,MANYOFPRODUCTSMADEFROMPLASTICMATERIALSBECAUSEOFTHEBEHAVIOROFPLASTICSPLASTICSAREEASYTOBEFORMED,CHEAP,ANDLIGHTINJECTIONMOLDINGISAMETHODFORMAKINGAPRODUCTFROMPLASTICSMATERIALAFTERMAKINGAMOLDFORAPRODUCT,OFTENSEENTHATQUALITYOFPRODUCTWHICHBERESULTEDFROMINJECTIONISNOTGOODORTHEREISADEFECTINTHEPRODUCT,ORFAILOFCOURSE,THISPROBLEMCOULDBEBADIMPACTTOINDUSTRY,BECAUSETHEYWOULDBENEEDEDHIGHCOSTANDTIMEFORPRODUCTIONINTHEDESIGNOFMOLD,THEREARESOMETHINGSWHICHTOBEATTENTIONWHENDOINGDESIGNOFMOLD,THATARESHAPEOFPRODUCT,CAVITY,RUNNERSYSTEM,GATESSYSTEM,VENTINGOFMOLDANDHEATEXCHANGESYSTEMBECAUSEOFTHAT,IFADESIGNHAVEMADE,NEEDTODEPENDONTHETHINGSINABOVEWHICHHASBEENPARTOFMOLDDESIGNSTANDARDHOWEVER,INTHEDECIDEDFORTHETYPEANDCONDITIONINABOVETHATTHEMOSTOFFITWITHTHESHAPEOFPRODUCTISVERYDIFFICULTEXAMPLE,FORDECIDETHELOCATIONOFGATE,IFLOCATIONOFGATETHATHASBEENDECIDEDNOTBEGOOD,SOTHERESULTOFPRODUCTCOULDBENOTMAXIMUMTOOVERCOMETHISPROBLEM,SIMULATIONBEFOREMADETHEMOLDISNEEDED,TOIMPROVETHEQUALITYOFRESULTAFTERINJECTIONDEPENDONDESIGNTHATWOULDTOBEMADE,SOIFTHEMOLDWASMADECOULDBERESULTAGOODPRODUCTSOFTWAREWOULDBEUSEDISMOLDFLOWWHENUSETHISSOFTWARE,COULDBEPREDICTEDMANYTHINGSCONCERNINGWITHINJECTIONPROCESSANDCOULDBEIMPROVEDQUALITYOFPRODUCTTHATRESULTEDINTHEINJECTIONPROCESSCASESTUDYINTHISRESEARCHWASAPLASTICCUP,BECAUSEINTHEDESIGNOFACUP,THEPROBLEMTHATUSUALLYAPPEARSISONTHEHOLDOFCUPINTHELOCATION,USUALLYOCCURDEFECTONTHESHAPEOFHOLDOFCUPIFUSESIMULATIONWITHMOLDFLOW,ITCOULDBEANALYSISTHEOPTIMUMLOCATIONOFTHEGATE,SOTHERESULTOFPRODUCTAFTERINJECTIONPROCESSCOULDBEBETTERITISALSOMINIMIZEDEFECTORFAILSINTHEPRODUCTTHERESULTOFSIMULATIONTHATHASBEENDONEARECOULDSHOWFLOWOFPLASTICFLUIDENTERINGALLOFCAVITIESOFMOLD,ANDCOULDFINDLOCATIONSWHICHPERHAPSAPPEARSAIRTRAPS,ANDCOULDIMPROVEQUALITYOFPRODUCTAFTERINJECTIONTHERESULTOFTHISSIMULATIONCOULDIMPROVEQUALITYOFPRODUCTBEFOREUSESIMULATION,THEREISDEFECTONTHEPRODUCTTHATRESULTEDAFTERINJECTION,BUTAFTERUSESIMULATION,THEQUALITYOFPRODUCTISIMPROVEDITISVERYHELPINTHEDEVELOPMENTOFNEWPRODUCTPLASTICCUPTHEINDUSTRYCOULDBEDOINGSIMULATIONFIRST,TOCREATETHENEWPRODUCTORDEVELOPEXISTINGDESIGNTHEYCOULDBESUCCESSTOCARRYOUTTHENEWDESIGNWITHGOODQUALITYITMEANSTHATTHEYCOULDBESAVINGINPRODUCTIONCOSTANDPRODUCTIONTIMEKEYWORDSINJECTIONMOULD,MOLDFLOWSOFTWARE,IMPROVINGQUALITY1INTRODUCTIONNOWADAYS,PLASTICSBEUSEDTOMANYPURPOSES,SUCHASBOTTLE,PLATE,GLASS,CELLPHONE,ANDKINDSOFACCESSORIESWHYPLASTICMATERIALSAREUSEDFORMANYPRODUCTSBECAUSETHEBEHAVIOUROFPLASTICSPLASTICMATERIALAREEASYTOBEFORMED,CAN’TBECORRODED,CHEAP,LIGHTANDDIFFICULTBEBROKENTHEREARESOMEMETHODSCANBEUSEDTOFORMPLASTICHOWEVER,THEMOSTMETHODTHATBEUSEDISINJECTIONINTHEINJECTIONPROCESSING,THEREARESOMEMATTERSTHATWEMUSTPAYTOATTENTION,BECAUSETHEMATTERSINFLUENCEQUALITYOFPRODUCTTHEMATTERSAREDESIGNOFMOLD,SETTINGOFINJECTIONMACHINE,ANDQUALITYOFPLASTICMATERIALINTHEMOLDDESIGNPROCESS,THEREARESOMEMATTERSTHATWEMUSTBEPAIDTOATTENTION,SOTHEMOULDDESIGNCANRESULTAPRODUCTWITHHIGHQUALITYTHEMATTERTHATOFTENOCCURISAFTERAMOULDHAVEMADE,PRODUCTWHICHRESULTFROMTHEMOLD,ITHAVELOWQUALITYITISBECAUSEDESIGNOFTHEMOLDISNOTPERFECTENOUGHANOTHERMATTERWHICHINFLUENCESTHEQUALITYOFPRODUCTISTHESETTINGOFINJECTIONMACHINETHESETTINGOFINJECTIONMACHINEINCLUDEDTEMPERATUREOFMELT,TEMPERATUREOFCOLD,INJECTIONPRESSURE,ANDETCWRONGANDNOTEXACTLYENOUGHOFSETTINGONTHEINJECTIONMACHINEWILLRESULTAPRODUCTWITHNOTGOODENOUGHQUALITYISBN9791557705I7IMPROVINGQUALITYOFINJECTIONMOLDUSINGMOLDFLOWSOFTWARESIMULATIONHARIYANTOGUNAWANANDWILLYANTOANGGONOCASESTUDYNEWDESIGNPLASTICCUPTHESHRINKAGECOMESONLYFROMTHEUNSOLIDIFIEDAREAS,WHICHTHEYAREBECONNECTEDTOTHEALREADYSOLIDIFIEDTHINSECTIONTHISBUILDSSTRESSESNEARTHEBOUNDARYOFTHETHINSECTIONTOTHICKSECTIONSINCETHETHINSECTIONDOESNOTYIELDBECAUSEITISSOLID,THETHICKSECTIONWHICHISSTILLLIQUIDMUSTYIELDOFTENTHISLEADSTOWARPINGORTWISTINGIFTHISISSEVEREENOUGH,THEPARTCOULDEVENCRACKWARPINGALSOCANBEENCAUSEDDUETONONUNIFORMMOLDTEMPERATURESORCOOLINGRATESNONUNIFORMPACKINGORPRESSUREINTHEMOLDALIGNMENTOFPOLYMERMOLECULESANDFIBERREINFORCINGSTRANDSDURINGTHEMOLDFILLRESULTSINPREFERENTIALPROPERTIESINTHEPARTMOLDINGPROCESSCONDITIONSTOOHIGHAINJECTIONPRESSUREORTEMPERATUREORIMPROPERTEMPERATUREANDCOOLINGOFTHEMOLDCAVITYGENERALLY,ITISBESTTOFOLLOWTHERESINMANUFACTURERSGUIDELINESONPROCESSCONDITIONSANDONLYVARYCONDITIONSWITHINTHELIMITSOFTHEGUIDELINESITISNOTGOODPRACTICETOGOBEYONDTHEPRESSUREANDTEMPERATURERECOMMENDATIONSTOCOMPENSATEFOROTHERDEFECTSINTHEMOLDIFRUNNERSNEEDTOBESIZEDDIFFERENTLYTOALLOWFORAPROPERFILL,ORGATESIZESTHATNEEDTOBECHANGED,THENTHOSECHANGESNEEDTOHAPPENOTHERWISETHEFINISHEDPARTSWILLHAVETOOMUCHBUILTINSTRESSES,COULDCRACKINSERVICEORWARPLEADINGTOMORESEVEREPROBLEM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簡介：JOURNALOFUNIVERSITYOFSCIENCEANDTECHNOLOGYBEIJINGVOLUME13,NUMBER3,JUNE2006,PAGE240CORRESPONDINGAUTHORYINGTANG,EMAILTANGYDLPUBLIC3BTANETCNMATERIALSOPTIMIZATIONSTRATEGYINENDMILLINGPROCESSFORHIGHSPEEDMACHININGOFHARDENEDDIE/MOLDSTEELYINGTANGMECHANICALENGINEERINGSCHOOL,UNIVERSITYOFSCIENCEANDTECHNOLOGYBEIJING,BEIJING100083,CHINARECEIVED20050221ABSTRACTANOPTIMIZATIONSTRATEGYFORHIGHSPEEDMACHININGOFHARDENEDDIE/MOLDSTEELBASEDONMACHININGFEATUREANALYSISWASSTUDIEDITISAFURTHEREXTENSIONOFTHEPREVIOUSLYPRESENTEDSTUDYONTHETHERMALMECHANISMOFENDMILLINGANDCONSTANTCUTTINGFORCECONTROLANOBJECTIVEFUNCTIONCONCERNINGMACHININGCOSTANDASSOCIATEDOPTIMIZATIONALGORITHMBASEDONMACHININGTIMEANDCUTTINGLENGTHCALCULATIONWASPROPOSEDCONSTRAINTSTOSATISFYSPECIFICMACHININGSTRATEGIESWHENHIGHSPEEDMACHININGTHEHARDENEDDIE/MOLDSTEEL,TROCHOIDTOOLPATHPATTERNINSLOTENDMILLINGTOAVOIDOVERHEATANDFEEDRATEADAPTATIONTOAVOIDOVERLOAD,WEREALSODISCUSSEDASACASESTUDY,THETOOLSELECTIONPROBLEMWHENMACHININGADIEPARTWITHMULTIPLEMACHININGFEATURESWASINVESTIGATEDKEYWORDSOPTIMIZATIONALGORITHMHARDENEDDIE/MOLDSTEELMACHININGCOSTMACHININGFEATURE1INTRODUCTIONTHEINTRODUCTIONOFADVANCEDCUTTINGTOOLSLIKEALTINCOATEDMICROGRAINCARBIDEENDMILLSINCETHE1990SHASCHANGEDTHETRENDINDIE/MOLDMANUFACTURINGTOWARDSHARDMACHININGBOTHINROUGHINGANDFINISHING1NOWADAYS,HIGHSPEEDMACHININGOFHARDENEDDIEANDMOLDSTEELSISAPROVENTECHNOLOGYALREADY,WHEREMANYSPECIFICMACHININGCONCEPTSANDSTRATEGIESAREDEVELOPEDTOFACILITATEIT2REPRESENTATIVELY,MACHININGFEATURESTHATAREDEFINEDASDISTINCTIVEVOLUMETRICSHAPETOBEREMOVEDBYDISTINCTIVEMACHININGOPERATIONSIECUTTINGTOOLANDTOOLPATHPATTERN,ISPUTFORWARDTOEASENCNUMERICALCONTROLPROGRAMMING3USUALLYTOOLPATHPATTERNFOREACHFEATURETYPECANBESTANDARDIZEDANDFIXEDONCEMACHININGFEATURESANDRELEVANTTOOLPATHPATTERNAREFIXED,ITBECOMESABSOLUTELYNECESSARYTOOPTIMIZEOTHEROPERATIONPARAMETERSBECAUSEWHENWECONSIDERBOTHPRODUCTIVITYANDTOOLCOST,THELATTERCONTRIBUTESTOASMUCHAS20OFTHETOTALCOSTOFDIEANDMOLDMANUFACTURINGSUCHOPTIMIZATIONISMADEPOSSIBLEWITHMACHININGFEATUREANDFIXEDTOOLPATHPATTERNANALYSIS,WHICHREDUCESTHENUMBEROFVARIABLESTHATHAVETOBECONSIDEREDATTHESAMETIMEPRODUCTIVITYANDTOOLCOSTCANBETREATEDASFUNCTIONSOFTHESEINDEPENDENTCUTTINGCONDITIONVARIABLESSOTHATTHEIMPACTOFTHESEVARIABLESONTHEPRODUCTIVITYANDTOOLCOSTORTHECOMBINEDOBJECTIVEFUNCTIONOFTHESETWOCANBECALCULATEDANDOPTIMIZEDTHISPAPERISORGANIZEDASFOLLOWSANOBJECTIVEFUNCTIONCONCERNINGMACHININGCOSTANDITSASSOCIATEDOPTIMIZATIONALGORITHMISPROPOSEDINSECTION2,FOLLOWEDBYACASESTUDYTOUSETHEPROPOSEDALGORITHMFORTOOLSELECTIONINENDMILLINGDIEPARTWITHMULTIPLEMACHININGFEATURESINSECTION3CONSTRAINTSFACEDINATTEMPTINGTOSATISFYSPECIFICMACHININGSTRATEGIESWHENHIGHSPEEDMACHININGTHEHARDENEDDIE/MOLDSTEELAREDISCUSSEDINTHESAMESECTIONCONCLUSIONSAREPRESENTEDINSECTION4BASEDONTHERESULTSOFTHECASESTUDY2OPTIMIZATIONSTRATEGYASCONCERNINGPRODUCTIVITY,THETIMEINVOLVEDINMACHININGPROCESSNEEDSTOBECALCULATEDTHEMACHININGTIMEMTCONSIDEREDINCLUDESTHECUTTINGTIMECTANDTHEAIRCUTTINGTIMENCTBASICALLY,THEEXACTCUTTINGTIMECTISCALCULATEDBYADDINGTHETIMESSPENTONEVERYCHIPANDTHEAIRCUTTINGTIMENCTISTHETOTALTIMEOFAIRCUTTINGINTHETOOLPATH,WHICHCANNORMALLYBECALCULATEDWITHEASEBASEDONFIXEDTOOLPATHPATTERN,MCNCNCZEIIILTTTTF∑1WHERETHECUTTINGLENGTHILOFTHEITHCHIPISCALCULATEDBASEDONTHEENGAGEMENTGEOMETRYBETWEENTHEWORKPIECEANDTHECUTTINGTOOL,ANDZEIFISTHEINSTANTFEEDOFTOOLWHENCUTTINGTHECHIPINTHECASEOFENDMILLINGCONCAVECONTOUR,IL,ZEIFANDOTHERPARAMETERS242JUNIVSCITECHNOLBEIJING,VOL13,NO3,JUN2006PROCESSPRESENTEDINPREVIOUSWORKS45ITBECOMESESSENTIALTOSEEKASPECIFICMACHININGSTRATEGYTOREDUCECUTTINGHEATACCUMULATIONFORIMPROVINGTOOLLIFETHEKEYISSUELIESINTHELIMITATIONOFCONTACTBETWEENTHETOOLANDTHEPARTPERREVOLUTIONTROCHOIDTOOLPATHPATTERNWITHSUCCESSIVETROCHOIDCYCLESOFTHESAMEPITCH,SHOWNINFIG3,ISSUCHASUBSTITUTEDESIGNEDFORENDMILLINGASLOTINTOTHEHARDENEDSTEELATHIGHSPEED6BYMAINTAININGALIMITEDPITCH,THEARCOFCONTACTISMINIMIZEDINCONJUNCTIONWITHPROPERFEEDSANDSPEEDS,ENDMILLINGINTHISMANNERCANREMOVEALARGEAMOUNTOFMATERIALWITHOUTTHEGENERATIONOFEXCESSIVEHEATFIG3SLOTENDMILLINGWITHTROCHOIDTOOLPATHPATTERNBISASLOTOFGIVENWIDTH2FEEDRATEADAPTATIONTOKEEPCONSTANTCUTTINGFORCEANOTHERCONCEPTTAKENASABASISFORHARDENEDDIESTEELENDMILLINGISTOMAINTAINTHECUTTINGFORCECONSTANTUNDERASAFETYLIMITESPECIALLYINROUGHINGORINTERMEDIATEROUGHINGOPERATION,BECAUSECHIPPINGOCCURSSOONIFEXCESSIVECUTTINGFORCESATTHECUTTINGEDGEAREPRESENTCHIPPINGONONECUTTINGEDGECANCAUSEACASCADEEFFECTOFSUCCESSIVECHIPPINGONTHEREMAININGINTACTCUTTINGEDGESTHISMAKESTHETOOLUNUSABLEVERYQUICKLYASTRAIGHTFORWARDAPPROACHTOKEEPCONSTANTCUTTINGFORCEISTOADAPTFEEDRATEALONGTOOLPATHTHEBASICPRINCIPLEOFTHESTRATEGYISTOSOLVETHEINSTANTFEEDRATEACCORDINGTOTOOLWORKENGAGEMENTGEOMETRYWITHASECONDORDERFORCEMODEL,WHICHWASPRESENTEDINPREVIOUSWORKS78,22011221112221212YXXXXXXΒΒΒΒΒΒ4WHEREYDENOTESTHEAVERAGECUTTINGFORCEVALUEINXYPLANEXYFTHECONTROLTARGETFORCEYISDETERMINEDFROMEXPERIENCES1XAND2XARETHENORMALIZEDMAXIMUMUNCUTCHIPTHICKNESSMITANDCHIPCUTTINGLENGTHILRESPECTIVELYTHESIXCOEFFICIENTS012,,ΒΒ???AREIDENTIFIEDBYCONDUCTINGASETOFPREPROCESSEXPERIMENTSOFSTRAIGHTCUTBYUSINGLEASTSQUARESMETHODUNDERTHESECONSTRAINTS,THESIMULATIONWASCONDUCTEDFIRSTLYTOSEEKTHEOPTIMALCUTTERDIAMETERDWHENAMACHININGFEATURE,ASLOTOFGIVENWIDTHB,NEEDEDTOBEMACHINEDFIG4ISTHEBDPLANEOFTHECONTOURPLOTOFMACHININGCOSTWHENMACHINEDWITHAPITCHOF05MMANDASPINDLESPEEDOF9600R/MINTHETARGETCUTTINGFORCESAREEQUALTOTHEVALUESMEASUREDINCUTTINGEXPERIMENTSWITHDIFFERENTDIAMETERCUTTERSTOCUTALONGSTRAIGHTCONTOURSATTHESAMEPITCHANDSPINDLESPEEDTHETOOLLIFEFL112MM/BLADEANDCOSTPERMACHININGTIMEMC750YUANRMB/HWEREDETERMINEDACCORDINGTOOURINDUSTRIALPARTNERS’EXPERIENCECUTTERCOSTSWERENAMEDACCORDINGTOTHEIRMARKETPRICESFIG4MACHININGCOSTCONBDPLANEINTHECASEOFONESLOTENDMILLINGWITHTROCHOIDTOOLPATHTHEBLACKDOTTEDLINEACROSSMACHININGCOSTCONTOURSONTHEBDPLANEINFIG4INDICATESTHEOPTIMALTOOLDIAMETERDTOTHEMINIMUMCOSTACHIEVEMENTFORTHEGIVENSLOTWIDTHBFOREXAMPLE,AΦ10MMCUTTERSHOULDBEUSEDTOCUTTHE50MMWIDTHSLOT,WHILEAΦ6MMCUTTERTOCUTTHE15MMWIDTHSLOTINOTHERWORDS,TWOCUTTERSARENEEDEDIFCUTTERDIAMETERSELECTIONISCONSIDEREDSEPARATELYFOREACHMACHININGFEATUREASALSOSEENINTHEFIGURE,THEBLACKDOTTEDLINELOCATEDINTHELEFTENDOFTHEBDPLANEIMPLIESTHATSMALLENDMILLCUTTERSOF6,8AND10MMINDIAMETERAREPREFERREDINSLOTENDMILLINGMACHININGITHASTOBEPOINTEDOUTTHATTHESIMULATIONISCONDUCTEDUNDERTHEASSUMPTIONTHATTHESLOTCANBEREMOVEDINONELAYERWITHALLENDMILLCUTTERSINTHECASEOFDEEPSLOT,MORELAYERSWILLBENEEDEDIFASMALLERDIAMETERCUTTERISUSEDTHERESULTINGMACHININGCOSTINCREASEWILLPUSHOPTIMALCUTTERDIAMETERPOSITIONSTOTHERIGHTENDINFIG4FURTHERMORE,THESIMULATIONISCONDUCTEDUNDERTHEASSUMPTIONTHATTHESLOTISNARROW,SOTHETROCHOIDTOOLPATHPATTERNNEEDSTOBEUSEDFORAWIDESLOTHOWEVER,ACOMBINATIONOFTROCHOIDTOOLPATHPATTERNTOMACHINE

簡介：JOURNALOFMATERIALSPROCESSINGTECHNOLOGY1822007418–426THEUSEOFTAGUCHIMETHODINTHEDESIGNOFPLASTICINJECTIONMOULDFORREDUCINGWARPAGESHTANG?,YJTAN,SMSAPUAN,SSULAIMAN,NISMAIL,RSAMINDEPARTMENTOFMECHANICALANDMANUFACTURINGENGINEERING,UNIVERSITIPUTRAMALAYSIA,43400SERDANG,SELANGOR,MALAYSIARECEIVED3SEPTEMBER2004RECEIVEDINREVISEDFORM27JULY2006ACCEPTED10AUGUST2006ABSTRACTPLASTICINJECTIONMOULDINGISONEOFTHEMOSTIMPORTANTPOLYMERPROCESSINGOPERATIONSINTHEPLASTICINDUSTRYTODAYHOWEVER,LACKOFSKILLINMOULDMAKINGANDINJECTIONMOULDINGMACHINECONTROLWILLLEADTODEFECTIVEPLASTICPRODUCTWARPAGEISONETYPEOFDEFECTTHATUSUALLYAPPEARSINPRODUCTSWITHTHICKNESSLESSTHAN1MMTHISPROJECTISGOINGTOFABRICATEAMOULDTHATPRODUCEDATHINPLATEWITHDIMENSION120MM50MM1MMTHETHINPLATEWILLBEUSEDFORWARPAGETESTINGINMOULDFABRICATION,THEMOULDBASETHATPURCHASEWILLBEMACHINEDANDASSEMBLEDAFTERTHAT,THEMOULDISFIXEDONTHEINJECTIONMOULDINGMACHINETHEMACHINESETTINGSHOULDBEMADETOPRODUCETHEPRODUCTTHEN,THEPRODUCTWILLBEUSEDFORTESTINGONTHEEFFECTIVEFACTORSINWARPAGEPROBLEMBYAPPLYINGTHEEXPERIMENTALDESIGNOFTAGUCHIMETHODFROMTHERESULTS,ITSHOWSTHATTHEMOSTEFFECTIVEFACTORONTHEWARPAGEISMELTTEMPERATURETHEFILLINGTIMEONLYSLIGHTLYINFLUENCEDONTHEWARPAGETHEOPTIMUMPARAMETERSTHATCANMINIMIZETHEWARPAGEDEFECTAREMELTTEMPERATURE240?C,FILLINGTIME05S,PACKINGPRESSURE90ANDPACKINGTIME06S?2006ELSEVIERBVALLRIGHTSRESERVEDKEYWORDSPLASTICINJECTIONMOULDTAGUCHIMETHODSEXPERIMENTALDESIGNWARPAGE1INTRODUCTIONMOULDMAKINGISANIMPORTANTSUPPORTINGINDUSTRYBECAUSETHEIRRELATEDPRODUCTSREPRESENTMORETHAN70AMONGTHECOMPONENTSINCONSUMERPRODUCTSTHEHIGHDEMANDFORSHORTERDESIGNANDMANUFACTURINGLEADTIMES,GOODDIMENSIONALITYANDOVERALLQUALITY,ANDRAPIDDESIGNCHANGESHASBECOMETHEBOTTLENECKSINMOULDINDUSTRIES1ITISACOMPLICATEDPROCESS,ANDREQUIREDSKILLEDANDEXPERIENCEDMOULDMAKERGENERALLY,INJECTIONMOULDINGISONEOFTHEMOSTIMPORTANTPOLYMERPROCESSINGOPERATIONSINTHEPLASTICINDUSTRYTODAYAPPROXIMATELYONETHIRDOFALLPLASTICSARECONVERTEDINTOPARTSUSINGINJECTIONMOULDING2THISISONEOFTHEPROCESSESTHATAREGREATLYPREFERREDINMANUFACTURINGINDUSTRYBECAUSEITCANPRODUCECOMPLEXSHAPEPLASTICPARTSWITHGOODDIMENSIONALACCURACYANDVERYSHORTCYCLETIMES3TYPICALEXAMPLESARECASINGSANDHOUSINGSOFTHEPRODUCTSSUCHASCOMPUTERMONITORANDMOBILETELEPHONE,WHICHHAVEATHINSHELLFEATURETHESE?CORRESPONDINGAUTHOREMAILADDRESSSAIHONGENGUPMEDUMYSHTANGPRODUCTSTENDTOBECOMELIGHTER,THINNERANDSMALLERHENCE,THEINTERNALCOMPONENTSOFPRODUCTSHAVETOBEPACKEDINTOHOUSING,WHICHHASSMALLERVOLUMEONEWAYTOINCREASETHESPACEOFHOUSINGPARTSISTOREDUCETHEWALLTHICKNESSHOWEVER,THEINJECTIONMOULDINGOPERATIONBECOMESMOREDIFFICULTASTHEWALLTHICKNESSOFPLASTICPARTSBECOMESTHINNER4THISISBECAUSETHESIGNIFICANTWARPAGEDEFECTWILLBEAPPEAREDTOREDUCETHISSIGNIFICANTDEFECT,TESTINGPROCEDUREREGARDINGTOTHEEFFECTIVEFACTORSISREQUIREDATHINPLATEWITHDIMENSION120MM50MMAND1MMTHICKNESSWILLBEPRODUCEDITISUSEFORTESTINGONTHEEFFECTIVEFACTORSTOMINIMIZETHEWARPAGEDEFECTFIRSTLY,FABRICATINGTHEPLASTICINJECTIONMOULDISNEEDEDAFTERTHAT,THEMOULDISGOINGTOBEASSEMBLEDONTHEINJECTIONMOULDINGMACHINEWHENTHETHINPLATESHAVEBEENPRODUCED,THEYWILLBEUSEDFORTESTINGONTHEEFFECTIVEFACTORSINWARPAGEPROBLEMBYAPPLYINGTHEEXPERIMENTALDESIGNOFTAGUCHIMETHOD2PREPARATIONINFABRICATINGTHEMOULD,SOMEPREPARATIONSARENEEDEDTHECAPABILITYOFTHEMACHINETHATAREAVAILABLEINFACULTYARE09240136/–SEEFRONTMATTER?2006ELSEVIERBVALLRIGHTSRESERVEDDOI101016/JJMATPROTEC200608025420SHTANGETAL/JOURNALOFMATERIALSPROCESSINGTECHNOLOGY1822007418–426FIG3CONFIGURATIONOFCOOLINGCHANNELFORCOREPLATE4MOULDFABRICATIONTHEREARESOMEPARTSINTHEMOULDTHATNEEDTOBEMACHINEDITINVOLVEDHIGHPRECISEANDACCURACYPROCESSHENCE,ITISREQUIREDSKILLEDMOULDMAKERFOLLOWINGISTHEMACHININGPROCESSFOREVERYPARTOFTHEMOULD41TOPCLAMPINGPLATEPART1REAMTHROUGHHOLEWITH16MMDIAMETERDRILLINGMACHINEOPERATIONDESCRIPTIONSTOOLSSTEP1MARKINGTHEPOINTHEIGHTGAUGESTEP2CLAMPINGTHEPLATEONTHEMACHINETABLESTEP3CENTERINGATTHEMARKINGPOINTCENTERDRILLSTEP4DRILLINGTHROUGHHOLE?155DRILLSTEP5REAMINGTHEHOLE?16REAMERTOOL,HIGHSPEEDSTEELSPINDLESPEED,330RPMPART2TAPM6HOLESDRILLINGMACHINEOPERATIONDESCRIPTIONSTOOLSSTEP1MARKINGTHEPOINTHEIGHTGAUGESTEP2CLAMPINGTHEPLATEONTHEMACHINETABLESTEP3CENTERINGATTHEMARKINGPOINTCENTERDRILLSTEP4DRILLING2HOLESWITH12MMDEPTH?5DRILLSTEP5TAPPINGTHEHOLESM6TAPPERTOOL,HIGHSPEEDSTEELSPINDLESPEED,1000RPMPART3ENLARGEHOLETO40MMDIAMETERWITH148MMDEPTHMILLINGMACHINEOPERATIONDESCRIPTIONSTOOLSSTEP1MARKING?35AND?40CIRCLESCOMPASSSTEP2CLAMPINGTHEPLATEONTHEMACHINETABLESTEP3MILLINGTHEAREAAT?35CIRCLEWITH148MMDEPTH?10ENDMILLSTEP4BORINGUNTIL?40CIRCLEWITH148MMDEPTHBOREBITTOOL,HIGHSPEEDSTEELSPINDLESPEED,820RPMDEPTHOFCUT,2MMFORROUGHINGAND08MMFORFINISHINGFIG4SHOWSTHEPARTSOFTHETOPCLAMPINGPLATETHATNEEDTOBEMACHINEDNOTETHATTHEFIRSTSTEPINPART1,PART2ANDPART3FIG4PARTSOFTHETOPCLAMPINGPLATETHATNEEDTOMACHINEWHICHAREMARKINGPOINTANDMARKINGCIRCLEISDONEATTHESAMETIMEBEFOREPROCEEDTONEXTSTEP42CAVITYPLATEPART1REAMTHROUGHHOLEWITH16MMDIAMETERDRILLINGMACHINEOPERATIONDESCRIPTIONSTOOLSSTEP1MARKINGTHEPOINTHEIGHTGAUGESTEP2CLAMPINGTHEPLATEONTHEMACHINETABLESTEP3CENTERINGATTHEMARKINGPOINTCENTERDRILLSTEP4DRILLINGTHROUGHHOLE?155DRILLSTEP5REAMINGTHEHOLE?16REAMERTOOL,HIGHS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簡介：此文檔是畢業(yè)設(shè)計外文翻譯成品（含英文原文中文翻譯），無需調(diào)整復(fù)雜的格式下載之后直接可用，方便快捷本文價格不貴,也就幾十塊錢一輩子也就一次的事外文標題BIREFRENGENTRESIDUALSTRESSANDIMPROVEDINJECTIONMOLDDESIGN外文作者JAYCHANAN文獻出處MATERIALSSCIENCEFORUMVOLS7687692018PP217223如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文2588單詞，16489字符字符就是印刷符，中文4174漢字。BIREFRENGENTRESIDUALSTRESSANDIMPROVEDINJECTIONMOLDDESIGNKEYWORDSRESIDUALSTRESS,INJECTIONMOLDING,POLYETHYLENETEREPHTHALATE,PHOTOELASTICITYABSTRACTEFFICIENTMANUFACTURINGREQUIRESCONSISTENCYAUTOMATEDEQUIPMENTISDESIGNEDTOACCEPTASMALLRANGEOFINPUTVARIABILITYANDQUICKLYSORTANDPROCESSFORNEXTSTEPSACASESTUDYFORINJECTIONMOLDINGOFPOLYETHYLENETEREPHTHALATEPREFORMSFORUSEINSTRETCHBLOWMOLDINGWASPRESENTEDONECONVENIENTMETHODFORMEASURINGSTRESSESINOPTICALLYTRANSPARENTBIREFRINGENTPARTSISPHOTOELASTICITYUSINGCROSSPOLARIZEDLIGHT,FRINGESPROPORTIONALTOTHESTRESSSTATEWEREOBSERVEDFASTERCOOLINGIMPROVEDTHERESIDUALSTRESSSTATEINTHEINJECTEDPREFORMSTHEIMPROVEMENTSWEREBOTHINMAGNITUDE,ASREPRESENTEDBYTHEFREQUENCYOFFRINGESANDCONSISTENCY,ASREPRESENTEDBYTHEIMPROVEDSYMMETRYOFTHEFRINGESLOWERPRESSUREINTHEMOLDALSOAIDEDINIMPROVINGTHERESIDUALSTRESSSTATEREDUCINGTHEPRESSURENEEDEDTOINJECTWASACCOMPLISHEDBYINCREASINGTHEVENTWIDTHINTRODUCTIONNONDESTRUCTIVEFORMANUFACTURINGAPPLICATIONSMEASUREMENTTIMEISAPARTICULARLYIMPORTANTADVANTAGEINJECTIONMOLDINGISTHEMOSTCOMMONPROCESSUSEDINTHEMANUFACTUREOFPLASTICGOODSITINVOLVESTHEMELTINGOFAGIVENTHERMOPLASTICRESINANDSUBSEQUENTFIXEDSHAPINGANDCOOLINGOFTHEMOLTENPLASTICVIAPREDETERMINEDMOLDSHISTORICALLY,RESIDUALSTRESSWASIGNOREDWHENREVIEWINGINJECTIONMOLDPERFORMANCEHERERESIDUALSTRESSWASANIMPORTANTFACTORINDETERMININGWHATMOLDIMPROVEMENTSWERESIGNIFICANTPREFORMSANDMOLDCOMPONENTSFORTHEHIGHESTSPEEDSINBOTTLEPACKAGING,PREFORMSAREREQUIREDBOTTLESAREBLOWNFROMTHEPREFORMSPREFORMSAREGENERALLYINJECTIONMOLDEDPOLYETHYLENETEREPHTHALATEPETPETISEASIERTORECYCLETHANHDPEANDRESULTSINACLEARHIGHFOODQUALITYCONTAINERTHEREARETHREEMAJORCOMPONENTSTOPREFORMMOLDSCAVITYTHREADSPLITS,ORNECKRINGCORETHECAVITYFORMSTHEEXTERNALSURFACEOFTHEPREFORMTHISREMAINSSTATIONARYTHROUGHOUTTHEMOLDINGPROCESSTHREADSPLITSFORMTHETHREADS,ORFINISH,ONTHEPREFORMSANDOPENANDCLOSEONTHECOREDURINGANDAFTERTHEMOLDINGPROCESSTHECOREFORMSTHEPREFORMSINNERSURFACEANDTHENCARRIESTHEFINISHEDPREFORMOUTOFTHECAVITYONCETHEPREFORMHASCOOLEDBIREFRENGENCETHEPOLARIZERANDANALYZEREECTONNATURALLIGHTANDPOLARIZEDLIGHTAREWELLKNOWN6GENERALLY,WHENLIGHTWAVESCOMEDIRECTLYFROMASOURCE,THEYARENOTPOLARIZEDWHENPOLARIZED,THEELECTROMAGNETICVIBRATIONISRESTRICTEDTOONEORTWOSPECIFICDIRECTIONSIFLIGHTISPLANEPOLARIZED,THECOMPONENTSOFTHEVIBRATIONSINSOMEPLANEARETRANSMITTEDORREFLECTEDTOTHEEXCLUSIONOFTHEOTHERCOMPONENTSTHEINTENSITYISREDUCEDTOONEHALFINTHEMOSTECIENTPOLARIZERHOWEVER,ITSROTATIONDOESNOTCAUSEACHANGEININTENSITYAGAIN,IFASECONDPOLARIZINGDEVICEOPERATESONTHEPOLARIZEDLIGHT,ITWILLTRANSMITORREFLECTONLYTHECOSINECOMPONENTSINITSPLANEOFVIBRATIONTHISSECONDPOLARIZERISCALLEDANANALYZERWITHTHEHELPOFTHISPOLARIZEDLIGHT,WECANSEEFRINGESINBIREFRENGENTFILMSCAUSEDBYSTRAIN7

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