簡介：中文中文5200字出處出處MEHROTRAA,MUZZIOFJCOMPARINGMIXINGPERFORMANCEOFUNIAXIALANDBIAXIALBINBLENDERSJPOWDERTECHNOLOGY,2009,196117比較單軸和雙軸料倉攪拌機的混合性能AMEHROTRA,FJMUZZIO摘要對許多研究人員來說參與混合動力研究仍然是一個感興趣的主題，然而理論不發(fā)達，大部分設(shè)計都建立在經(jīng)驗基礎(chǔ)上。在許多行業(yè),包括藥品,大部分混合機器是“翻滾攪拌機”。滾筒中有空容器,部分裝滿了材料。一一些常見的例子包括臥式滾筒攪拌機，V型攪拌機，雙錐攪拌機和料倉攪拌機。在所有這些攪拌機而均勻旋轉(zhuǎn)方向的塊,通常透過一個對流混合過程、混合橫向軸向方向驅(qū)動,然而比較慢。在本文中,我們實驗研究了新翻滾旋轉(zhuǎn)攪拌機，它對水平軸滾運動和中央對稱（旋轉(zhuǎn)運動進行了詳細的研究?；旌戏勰┖托阅艿年P(guān)鍵影響的基本參數(shù)包括攪拌器幾何速度、填充水平、加載模式以及軸旋轉(zhuǎn)。本文中乙酰氨基酚是用作原料及常用的賦形劑和乳糖微晶纖維素等?；旌虾笤嚇雍罄媒t外光譜分析獲取標準函數(shù)以確定作曲的分布。結(jié)果表明,在軸的旋轉(zhuǎn)下幾乎所有粉末均勻交融。關(guān)鍵詞關(guān)鍵詞粉末混合內(nèi)聚力攪拌器混合器相對標準偏差NIR對乙酰氨基酚1簡介粒子混合是必不可少的步驟,在各種應(yīng)用中跨越了陶瓷、食品、玻璃、冶金、聚合物和醫(yī)藥行業(yè)。盡管歷史悠久的干固體混合或者也許因為它,比較所知甚少3。一種常見的批量工業(yè)混合機是將攪拌器打開,將顆粒流因重力結(jié)合而后旋轉(zhuǎn)。雖然該攪拌器是一個很常見用于混合，隔離的設(shè)備,但這些混合設(shè)備很大程度上只是基于實證的方法。滾筒式烘干機雖然作為最普遍的批量攪拌機應(yīng)用于各行各業(yè)中,而使用的人同時也希望能找到其它實施烘干機、鍍膜機、磨坊機、遭粒機48，而新型材料在旋轉(zhuǎn)鼓中的混合已經(jīng)廣泛地開始研究了9、10,然而這些材料的系統(tǒng)粘性還不完全被人所理解。很少有人了解基本參數(shù)的影響,如攪拌器幾何、速度、填充水平、加載模式和軸的旋轉(zhuǎn)粘性對粉混合性能上的要求。然而傳統(tǒng)滾筒式烘干機,它們都有一個重要特點，就是繞著水平軸,當均勻旋轉(zhuǎn)方向的塊透過一個對流混合過程、混合橫向軸向方向分散,致使驅(qū)動過程通常較慢。在本文中,我們實驗研究了水平軸滾運動和中央對稱軸（旋轉(zhuǎn)運動對新對混合旋轉(zhuǎn)性能的影響。在圖2B中攪拌器顯示兩個軸旋轉(zhuǎn)，旋轉(zhuǎn)的相對運動速度是中央對稱軸繞水平軸向速率的一半。223實驗方法在實驗中采用兩種類型的初始粉加載自上而下加載和側(cè)面加載,如圖3。為了避免結(jié)塊，對乙酰氨基酚被放入攪拌器中通過,并在篩網(wǎng)選擇35個樣本參考點。為了描述該過程,用混合槽提取攪拌機樣品的采樣方法選取75,15,30,60和120格點。仔細的進行篩選,并在每點提取的樣品放在攪拌器中來減少振動。約7次采樣,并從每個點開始共設(shè)5個被用于采樣的時間,最后將總體35個采樣繪制如圖4。該實驗研究計劃如下填補等級攪拌器160填補等級攪拌器260,70,80加載方式攪拌器1兩側(cè)面載荷、自上而下載入加載方式攪拌器2兩側(cè)面載荷、自上而下載入速度攪拌機1每分鐘20,25轉(zhuǎn)速度攪拌器2旋轉(zhuǎn)每分鐘轉(zhuǎn)速15/75,每分鐘轉(zhuǎn)速30/15采樣時間攪拌機第1，27530,60,120轉(zhuǎn)3結(jié)果均勻性指數(shù)是相對C濃度的每個樣本,的平均濃度樣品和總數(shù)是在給定樣C品進行采樣時間的N。相對標準偏差，而SCS122????NNCCN我們之前有研究填補水平的影響,所有將攪拌器打開,將填補的材料扔到雙錐攪拌器中進行攪拌11。所有上述攪拌機只有一個軸的旋轉(zhuǎn),因此本研究的目的在于探究混合的雙軸的影響。為了避免重復(fù),本攪拌器1不進行填補水平的研究。根據(jù)在以前的研究中使用MGST作為示蹤表明的結(jié)果來看,室內(nèi)單軸攪拌機混合下來的填滿水平大大超過70。此外,也可以假定對乙酰氨基酚類的研究結(jié)果似在此前的研究中獲得11,13,作為一個單一的軸矩形本攪拌器11,此結(jié)果表明,即使在幾百次改革中所實現(xiàn)的均勻的80填補水平仍然很差。檢查填補水平是否影響雙軸攪拌機得實驗,我們分別進行了自上而下對攪拌器進行加載的格局，即轉(zhuǎn)速為每分鐘15和75。從檢查填充水平的角度來看,

簡介：3900英文單詞，英文單詞，2萬英文字符，中文萬英文字符，中文6400字文獻出處文獻出處AMINIS,LOTFIM,PAKTINATH,ETALCHARACTERIZATIONOFVIBRATORYTURNINGINCUTTINGZONEUSINGAPNEUMATICQUICKSTOPDEVICEJENGINEERINGSCIENCEANDTECHNOLOGY,ANINTERNATIONALJOURNAL,2017,202403410CHARACTERIZATIONOFVIBRATORYTURNINGINCUTTINGZONEUSINGAPNEUMATICQUICKSTOPDEVICESAEIDAMINI,MOHAMMADLOTFI,HOSSEINPAKTINAT,MOHSENKAZEMIYOUNABSTRACTSHEARANGLEANDSTICKINGLENGTHARETWOCRUCIALPARAMETERSINMECHANICSOFMETALCUTTINGTHESETWOPARAMETERSDIRECTLYINFLUENCEMACHINABILITYFACTORSSUCHASCUTTINGFORCESTHUS,SHEARANGLEANDSTICKINGLENGTHWEREINVESTIGATEDINVIBRATORYTURNINGPROCESSBYUSINGAPNEUMATICQUICKSTOPDEVICEWHICHWASDESIGNEDANDFABRICATED,INTHISSTUDYAFTERPREPARATIONOFULTRASONICASSISTEDTURNINGSETUP,EXPERIMENTALTESTSHAVEBEENCARRIEDOUTONTWOTYPESOFSTEELAISI1060ANDAISI304ACCORDINGLY,THEPROCESSOFCHIPFORMATIONINEACHPARTICULARCUTTINGTESTWASQUICKLYSTOPPEDWHENDEFORMEDCHIPWASSTILLINCONTACTWITHWORKPIECEASARESULT,ITWASREVEALEDTHATADDEDLINEARVIBRATIONLEADSTHETURNINGOPERATIONTOBEIMPROVEDBYINCREASEOFSHEARANGLEANDDECREASEOFSTICKINGLENGTHMOREOVER,THEEFFECTOFULTRASONICVIBRATIONONCUTTINGFORCEANDCHIPMICROHARDNESSISEVALUATEDKEYWORDSSHEARANGLESTICKINGLENGTHULTRASONICVIBRATORYTURNINGQUICKSTOPMICROHARDNESS1INTRODUCTIONCHIPREMOVALPROCESSUSINGACUTTINGTOOLISENTITLEDMACHININGOPERATIONINOTHERWORDS,UNWANTEDMATERIALSARECUTFROMARAWMATERIALANDTHEDESIREDDIMENSIONSAREACHIEVEDONESPECIALSTATEOFMACHININGISORTHOGONALCUTTINGPROCESSWHERETHEREARETWOMOSTIMPORTANTDEFORMATIONZONESNAMEDPRIMARYANDSECONDARYSHEARZONES1–3,ASSHOWNINFIG1INTHEPRIMARYZONEABCO,BYADVANCINGOFCUTTINGEDGEINTOTHEWORKPIECE,CHIPISFORMEDUNDERASHEARANGLEUTHEANGLEATWHICHTHECHIPISSEPARATEDFROMTHEWORKPIECEISCALLEDSHEARANGLEWHICHDETERMINESMANYESSENTIALASPECTSOFTHECUTTINGMECHANICSSUCHASTHEMAGNITUDEOFTHECUTTINGFORCE,THESPECIFICCUTTINGENERGYANDTHEFINISHEDSURFACELARGERSHEARANGLESPRODUCESMALLERCUTTINGFORCE,FURTHERCONTINUOUSANDTHINCHIPANDBETTERSURFACEQUALITY4–6INTHESECONDARYZONEOCD,DEFORMEDCHIPMOVESONTHETOOLRAKESURFACEUNTILCHIPSEPARATIONHAPPENS4ACCORDINGTOTHEEXPERIMENTALANDANALYTICALSTUDIESCARRIEDOUTBY7–9ANDPHOTOELASTICANALYSISPERFORMEDBY10,11,ITISPROVEDTHATTHEREARETWOZONESINTOOLCHIPCONTACTREGIONSECONDARYZONE,STICKINGANDSLIDING,RESPECTIVELYINSTICKINGREGION,CHIPISSUBJECTEDTOHIGHPRESSURETEMPERATURECONTACTATOMICCONTACTCLOSETOTHETOOLTIPASUSUAL,CONTACTSHEARSTRESSISASSUMEDTOHAVEUNIFORMDISTRIBUTIONANDMAXIMUMVALUE,INTHISREGION7,8HIGHPRESSURENEARTHEHEADOFCUTTINGEDGECAUSESREALANDAPPARENTCONTACTAREASTOBEAPPROXIMATELYEQUALFORSOMEDISTANCEALONGTHETOOLRAKEFACEINTHISZONE,THEFRICTIONFORCEISEQUALTOTHESHEARSTRENGTHOFCHIPINSLIDINGREGION,THEREMAININGCONTACTAREA,ASREFERREDITSNAME,CHIPHASARELATIVEMOTIONONTOOLRAKEFACE,THEREBYPRESSUREISDROPPEDDOWNLEADINGTHEFRICTIONTOTHECOULOMBFRICTIONALCONDITION1,7,8,11,12SINCETHECONTACTCONDITIONBETWEENTOOLANDCHIPISANIMPORTANTISSUE,STUDYOFTHISREGIONISBEINGONEOFTHEMOSTIMPORTANTINTERESTSOFRESEARCHERSBAHIETAL13PROPOSEDAHYBRIDANALYTICAL–NUMERICALMODELTOSTUDYTHETOOLCHIPINTERFACETHEYALSODISCUSSEDTHEEFFECTOFCUTTINGFROMTHEPOINTOFMECHANICSOFMETALCUTTINGANDPREVIOUSSTUDIES,WHATEVERTHESTICKINGLENGTHTOBESMALLERANDSHEARANGLETOBELARGER,PERFORMANCEOFCUTTINGPROCESSIMPROVESONTHEOTHERHAND,INVESTIGATIONOFTHESETWOPARAMETERSSPECIALLYSTICKINGLENGTHHASRARELYBEENCARRIEDOUTUNDERULTRASONICVIBRATIONSTHEREFORE,INTHISSTUDY,ANATTEMPTISMADETOANALYZETHESETWOPARAMETERSINUATACCORDINGLY,AQUICKSTOPDEVICEQSDWASDESIGNEDANDFABRICATEDANDEXPERIMENTALTESTSWEREACCOMPLISHEDONTWOTYPESOFSTEELINTHEFOLLOWING,SHEARANGLEANDSTICKINGLENGTHCOUPLEDWITHCUTTINGFORCESWEREMEASUREDINUATANDCOMPAREDWITHTHOSEOBTAINEDINCTMOREOVER,THEINFLUENCEOFTURNINGMETHODSONMICROHARDNESSOFDEFORMEDCHIPISSTUDIED2MATERIALSANDMETHODS21DESIGNANDFABRICATIONOFVIBRATORYTOOLSHEARANGLEANDSTICKINGLENGTHCANBEMEASUREDINEXPERIMENTIFTHECUTTINGTOOLISQUICKLYDRIVENOUTFROMTHEENGAGEMENTWHEREDEFORMEDCHIPISSTILLINCONTACTWITHWORKPIECETHISOPERATIONISCOMMONLYCARRIEDOUTBYTHEHELPOFAQUICKSTOPDEVICEHOWEVER,ASPECIALFEATURENEEDSTOBEDESIGNEDANDFABRICATEDINAWAYTHATITTAKESVIBRATORYTURNINGTOOLAWAYFROMTHEMACHININGREGIONTODESIGNAVIBRATORYTOOLCONSISTSOFANULTRASONICTRANSDUCER,BOOSTER,HORNANDCUTTINGTOOL,HORNWASMODELEDANDMODALANALYSISWASCARRIEDOUTINABAQUSSOFTWARETHISANALYSISISNECESSARYBECAUSETHERESONANCEFREQUENCYOFHORNPARTSHOULDBECOMPATIBLEWITHTHEONEPRODUCESBYTRANSDUCERANDBOOSTERTHERESONANCEFREQUENCYOFTRANSDUCERUSEDINTHISSTUDYWAS20±05KHZFINALLY,THEDESIGNEDHORNWASMADEOFSTAINLESSSTEELTABLE1,INWHICHITSRESONANCEFREQUENCYWAS20450HZFIG2FURTHERMORE,ASCHEMEOFASSEMBLEDVIBRATORYTOOLISDISPLAYEDINFIG3TABLE1MECHANICALPROPERTIESOFHORNPARTMATERIALDENSITYKG/M3ELASTICITYMODULEGPAPOISSON’SRATIOAISI3048000193029FIG2MODALANALYSISANDTHEDESIGNEDHORN22DESIGNANDFABRICATIONOFQSDASSHOWNINFIG4,ASPECIALPNEUMATICQUICKSTOPDEVICEWASDESIGNEDINACCORDANCEWITHWEIGHTANDSIZEOFVIBRATORYTOOLITCONSISTSOFFOLLOWINGMAINPARTSFIXTURESPNEUMATICJACKANDPINLSHAPEPLANEBUSHJOINTSGUIDESSTOPSCREWANDMAINBODYTHEWAYOFTHEIRFUNCTIONSARESEPARATELYDESCRIBEDASFOLLOWSLSHAPEPLANEISACONNECTIVEBODYWHEREFIXTURE,PNEUMATICJACK,PIN,ANDJOINTSARECONNECTEDTOIT

簡介：FULLLENGTHARTICLECHARACTERIZATIONOFVIBRATORYTURNINGINCUTTINGZONEUSINGAPNEUMATICQUICKSTOPDEVICESAEIDAMINI?,MOHAMMADLOTFI,HOSSEINPAKTINAT,MOHSENKAZEMIYOUNDEPARTMENTOFMANUFACTURING,FACULTYOFMECHANICALENGINEERING,UNIVERSITYOFKASHAN,KASHAN,IRANARTICLEINFOARTICLEHISTORYRECEIVED3NOVEMBER2016REVISED2MARCH2017ACCEPTED10MARCH2017AVAILABLEONLINE24MARCH2017KEYWORDSSHEARANGLESTICKINGLENGTHULTRASONICVIBRATORYTURNINGQUICKSTOPMICROHARDNESSABSTRACTSHEARANGLEANDSTICKINGLENGTHARETWOCRUCIALPARAMETERSINMECHANICSOFMETALCUTTINGTHESETWOPARAMETERSDIRECTLYINFLUENCEMACHINABILITYFACTORSSUCHASCUTTINGFORCESTHUS,SHEARANGLEANDSTICKINGLENGTHWEREINVESTIGATEDINVIBRATORYTURNINGPROCESSBYUSINGAPNEUMATICQUICKSTOPDEVICEWHICHWASDESIGNEDANDFABRICATED,INTHISSTUDYAFTERPREPARATIONOFULTRASONICASSISTEDTURNINGSETUP,EXPERIMENTALTESTSHAVEBEENCARRIEDOUTONTWOTYPESOFSTEELAISI1060ANDAISI304ACCORDINGLY,THEPROCESSOFCHIPFORMATIONINEACHPARTICULARCUTTINGTESTWASQUICKLYSTOPPEDWHENDEFORMEDCHIPWASSTILLINCONTACTWITHWORKPIECEASARESULT,ITWASREVEALEDTHATADDEDLINEARVIBRATIONLEADSTHETURNINGOPERATIONTOBEIMPROVEDBYINCREASEOFSHEARANGLEANDDECREASEOFSTICKINGLENGTHMOREOVER,THEEFFECTOFULTRASONICVIBRATIONONCUTTINGFORCEANDCHIPMICROHARDNESSISEVALUATED?2017KARABUKUNIVERSITYPUBLISHINGSERVICESBYELSEVIERBVTHISISANOPENACCESSARTICLEUNDERTHECCBYNCNDLICENSEHTTP//CREATIVECOMMONSORG/LICENSES/BYNCND/40/1INTRODUCTIONCHIPREMOVALPROCESSUSINGACUTTINGTOOLISENTITLEDMACHININGOPERATIONINOTHERWORDS,UNWANTEDMATERIALSARECUTFROMARAWMATERIALANDTHEDESIREDDIMENSIONSAREACHIEVEDONESPECIALSTATEOFMACHININGISORTHOGONALCUTTINGPROCESSWHERETHEREARETWOMOSTIMPORTANTDEFORMATIONZONESNAMEDPRIMARYANDSECONDARYSHEARZONES1–3,ASSHOWNINFIG1INTHEPRIMARYZONEABCO,BYADVANCINGOFCUTTINGEDGEINTOTHEWORKPIECE,CHIPISFORMEDUNDERASHEARANGLEUTHEANGLEATWHICHTHECHIPISSEPARATEDFROMTHEWORKPIECEISCALLEDSHEARANGLEWHICHDETERMINESMANYESSENTIALASPECTSOFTHECUTTINGMECHANICSSUCHASTHEMAGNITUDEOFTHECUTTINGFORCE,THESPECIFICCUTTINGENERGYANDTHEFINISHEDSURFACELARGERSHEARANGLESPRODUCESMALLERCUTTINGFORCE,FURTHERCONTINUOUSANDTHINCHIPANDBETTERSURFACEQUALITY4–6INTHESECONDARYZONEOCD,DEFORMEDCHIPMOVESONTHETOOLRAKESURFACEUNTILCHIPSEPARATIONHAPPENS4ACCORDINGTOTHEEXPERIMENTALANDANALYTICALSTUDIESCARRIEDOUTBY7–9ANDPHOTOELASTICANALYSISPERFORMEDBY10,11,ITISPROVEDTHATTHEREARETWOZONESINTOOLCHIPCONTACTREGIONSECONDARYZONE,STICKINGANDSLIDING,RESPECTIVELYINSTICKINGREGION,CHIPISSUBJECTEDTOHIGHPRESSURETEMPERATURECONTACTATOMICCONTACTCLOSETOTHETOOLTIPASUSUAL,CONTACTSHEARSTRESSISASSUMEDTOHAVEUNIFORMDISTRIBUTIONANDMAXIMUMVALUE,INTHISREGION7,8HIGHPRESSURENEARTHEHEADOFCUTTINGEDGECAUSESREALANDAPPARENTCONTACTAREASTOBEAPPROXIMATELYEQUALFORSOMEDISTANCEALONGTHETOOLRAKEFACEINTHISZONE,THEFRICTIONFORCEISEQUALTOTHESHEARSTRENGTHOFCHIPINSLIDINGREGION,THEREMAININGCONTACTAREA,ASREFERREDITSNAME,CHIPHASARELATIVEMOTIONONTOOLRAKEFACE,THEREBYPRESSUREISDROPPEDDOWNLEADINGTHEFRICTIONTOTHECOULOMBFRICTIONALCONDITION1,7,8,11,12SINCETHECONTACTCONDITIONBETWEENTOOLANDCHIPISANIMPORTANTISSUE,STUDYOFTHISREGIONISBEINGONEOFTHEMOSTIMPORTANTINTERESTSOFRESEARCHERSBAHIETAL13PROPOSEDAHYBRIDANALYTICAL–NUMERICALMODELTOSTUDYTHETOOLCHIPINTERFACETHEYALSODISCUSSEDTHEEFFECTOFCUTTINGPARAMETERSONSTICKINGLENGTHTOROPOVANDKO14INTRODUCEDANEWMETHODBASEDONSLIPLINESOLUTIONFORPREDICTIONOFTOOLCHIPCONTACTLENGTHINANOTHERWORK,THEEFFECTOFCUTTINGCONDITIONSONFRICTIONCOEFFICIENTANDTOOLCHIPCONTACTLENGTHWEREREPORTEDBYOZLUETAL9ITWASCLAIMEDTHATINHIGHCUTTINGSPEEDSTHETOOLCHIPCONTACTLENGTHISMOSTLYSLIDINGANDSTICKINGLENGTHCANREACHUPTO15OFCONTACTLENGTHFORMOSTPRACTICALCUTTINGCONDITIONSBESIDES,ITHASBEENPROVEDTHATADDINGULTRASONICVIBRATIONTOTHECONVENTIONALMACHININGHASPOSITIVELYACERTAININFLUENCEONMACHININGPERFORMANCESUCHASREDUCINGGENERATEDCUTTINGFORCES,SURFACEROUGHNESS,ANDTOOLWEAR15–17INTHISTECHNIQUE,HTTP//DXDOIORG/101016/JJESTCH20170300322150986/?2017KARABUKUNIVERSITYPUBLISHINGSERVICESBYELSEVIERBVTHISISANOPENACCESSARTICLEUNDERTHECCBYNCNDLICENSEHTTP//CREATIVECOMMONSORG/LICENSES/BYNCND/40/?CORRESPONDINGAUTHOREMAILADDRESSAMINISKASHANUACIRSAMINIPEERREVIEWUNDERRESPONSIBILITYOFKARABUKUNIVERSITYENGINEERINGSCIENCEANDTECHNOLOGY,ANINTERNATIONALJOURNAL202017403–410CONTENTSLISTSAVAILABLEATSCIENCEDIRECTENGINEERINGSCIENCEANDTECHNOLOGY,ANINTERNATIONALJOURNALJOURNALHOMEPAGEWWWELSEVIERCOM/LOCATE/JESTCH23EXPERIMENTALSETUPASITISILLUSTRATEDINFIG5B,FABRICATEDVIBRATORYTOOLCOUPLEDWITHITSPNEUMATICQSDWEREASSEMBLEDANDMOUNTEDONTHESUPPORTOFLATHEMACHINEEXPERIMENTALTESTSWERECONDUCTEDONAISI1060STEELANDAISI304STAINLESSSTEELTOPREPAREWORKPIECES,THETUBEOFSTEELSWEREALTERNATIVELYFASTENEDINTOTHECHUCKOFLATHEMACHINETHEN,THEINNERANDOUTERDIAMETEROFEACHPARTICULARTUBEWASTURNEDTO456MMAND47MM,RESPECTIVELYTHEUSUALCHATTERVIBRATIONSEXISTEDINTURNINGPROCESSCOULDAFFECTTHEACCURACYOFTHEOPERATION,SINCETHETHICKNESSOFTUBEIS07MMTHEREFORE,ASPECIALFIXTUREWASUTILIZEDTOSOLVETHISPROBLEMSFIG5BAFLATFACEDCEMENTEDCARBIDEINSERTDCMW11T308MADEBYZCCCOMPANY,WASUSEDINTHISSTUDYNOTETHAT,TOMEETORTHOGONALCUTTINGPROCESS,THEINSERTNOSEHASBEENDRIVENOUTFROMTHEENGAGEMENTWITHWORKMATERIALDURINGTHEEXPERIMENTSASITISILLUSTRATEDINFIG5A,AMULTICOM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OTRA,FJMUZZIO/POWDERTECHNOLOGY19620091–7

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