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外文翻译--智能CADCAM和注入成型.doc

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外文翻译--智能CADCAM和注入成型.doc

附录AINTEGRATINGCAD/CAMANDINJECTIONMOLDINGRICHARDBUXTON(ANNARBOROCT2000VOL60,ISS3;PG18,2PGS)ABSTRACTMAKINGAFRAMEWEMADEAMOLDFRAMEFROMAPIECEOF1/2X3ALUMINUMFLATTOPLACETHEINSERTINSOITCANBEUSEDINTHEINJECTIONMOLDERYOURFRAMEMAYNEEDTOBEADIFFERENTSIZE,DEPENDINGONTHESIZEOFMOLDUSEDINYOURMOLDERWEDRILLEDA1HOLE,ANDTHISHOLEWASOPENEDTO11/2BYBORINGTHISMAYBEDONEONALATHEORMILLINGMACHINEWITHABORINGBARNOTICETHEPARTOFTHEFRAMETHATWILLMAKETHETABTHATAKEYRINGWILLGOTHROUGHKEYWORDSCADCAMINJECTIONMOLDINGINJECTIONMOLDINGREQUIRESPRECISIONMOLDSTOMAKEAPRODUCTINTHEPAST,MAKINGINJECTIONMOLDSWENTBEYONDTHESCOPEOFWHATTHEAVERAGETECHEDCLASSCOULDDO,DUETOALACKOFMACHININGEQUIPMENTANDBECAUSEMOLDSMUSTBEMADEOFMETALINORDERTOWITHSTANDTHETEMPERATURESTHATOCCURDURINGINJECTIONMOLDINGALTHOUGHVENDORSSELLINJECTIONMOLDSUSEDINTABLETOPMOLDERSFOUNDINMANYTECHEDFACILITIES,THESEMOLDSDONOTALLOWSTUDENTSTOPERSONALIZETHEMNOWTHATCAD/CAMHASBECOMEANIMPORTANTTOOLINDESIGN,MANYSCHOOLSTEACHITASPARTOFTHEIRTECHEDPROGRAMSYETSCHOOLSHAVEFACEDTHEPROBLEMOFDEVELOPINGREALWORLDAPPLICATIONSFORTHESETOOLS,APPLICATIONSTHATALLOWSTUDENTSTOAPPLYTHEIRNEWFOUNDSKILLWEHAVEDEVELOPEDAPROJECTCENTEREDONTHECONCEPTOFUSINGCAD/CAMSKILLSTOMAKEANINJECTIONMOLDTOPRODUCEAPRODUCTTHATSTUDENTSLIKE,INAWAYTHATMIRRORSTHEPROCESSININDUSTRYINSTEADOFMAKINGTHEENTIREMOLD,STUDENTSMAKEAPERSONALIZEDINSERTTOPLACEINAMOLDWEUSEA1/4SLICEOF11/2DIAALUMINUMRODTOMAKETHEINSERTFORAPERSONALIZEDKEYFOBWEPURCHASEDAI1/2X86061SOURCETYPEPERIODICALISSN/ISBN07487711PROQUESTDOCUMENTID62923754ALUMINUMROD7075ALUMINUMISEVENEASIERTOMACHINEANDUSEDAMETALCUTTINGBANDSAWTOCUTOFFPIECESABOUT3/8THICKPLACINGAPIECEINATHREEJAWCHUCKINAMETALLATHETRUESONEFACEBECAUSETHESLICEISTHIN,ITISDIFFICULTTOSEETHEOTHERSIDEOFTHEALUMINUMINSERTSOTHATTHETWOFACESAREPARALLELTOALLEVIATETHIS,WEMADEAHOLDERTHATALLOWSSTUDENTSTOMOUNTTHEALUMINUMPIECESOTHATTHETRUEDSIDEISPUSHEDTOTHEBACKOFTHEHOLDERANDHELDINPLACEWITHSETSCREWSINTHISWAY,THEOTHERFACECANBECUTPARALLELWITHTHEONEHELDFLUSHTOTHEBACKOFTHEHOLDERMAKINGTHEHOLDERTHEHOLDERWASEASILYMADEFROMAPIECEOFCUTOFFSTEELTHESTEMCANBEANYSIZE,ASLONGASITFITSINTHELATHESTHREEJAWCHUCKTHEHOLEFORTHEALUMINUMMOLDINSERTMUSTBEFLATBOTTOMEDAND11/2INDIAWEDIDTHISBYDRILLINGA1/2HOLEINTHEMIDDLEJUSTLARGEENOUGHTOGETABORINGBARINTOANDBOREDAFLATBOTTOMEDHOLETOADEPTHOF1/4AND11/2INDIAMETERWEDRILLEDANDTAPPEDTWOHOLESFOR1032SETSCREWSUSEDTOHOLDTHEINSERTINPLACEWHILETHEYWEREBEINGMACHINEDMAKINGAFRAMEWEMADEAMOLDFRAMEFROMAPIECEOF1/2X3ALUMINUMFLATTOPLACETHEINSERTINSOITCANBEUSEDINTHEINJECTIONMOLDERYOURFRAMEMAYNEEDTOBEADIFFERENTSIZE,DEPENDINGONTHESIZEOFMOLDUSEDINYOURMOLDERWEDRILLEDA1HOLE,ANDTHISHOLEWASOPENEDTO11/2BYBORINGTHISMAYBEDONEONALATHEORMILLINGMACHINEWITHABORINGBARNOTICETHEPARTOFTHEFRAMETHATWILLMAKETHETABTHATAKEYRINGWILLGOTHROUGHTHISTABWASMACHINEDINTHEFRAMEBYANENDMILLCUTTERONAMILLINGMACHINETHESIZEISUPTOYOUYOUMUSTMILLASPRUEORGATEINTHEMOLDTOALLOWFORTHEINJECTIONOFMOLTENPLASTIC,WHICHMAYBEDONEWITHA1/8BALLNOSEDMILLINGCUTTERIFYOUDONOTHAVETHEEQUIPMENTTOMAKETHEFRAME,CONTACTMEATRHBUXTONAOLCOMANDPERHAPSMYSTUDENTSCANHELPYOUOUTMAKINGTHEFOBNEXTCOMESDESIGNINGANDMACHININGTHEMOLDINSERTFORTHEFOBIFYOUHAVEADESIGNSEQUENCEYOUWANTYOURSTUDENTSTOGOTHROUGH,USEITHEREMYSTUDENTSHAVEMADETOKENSANDKEYFOBSTHEYCOVEREVERYTHINGFROMSPORTSLOGOSTOFOBSWITHNAMESANDNUMBERSONTHEMONCESTUDENTSDETERMINETHEIRDESIGN,THEYMUSTDRAWITMANYSOFTWAREPACKAGESCANBEUSEDFORTHISATOURSCHOOL,STUDENTSDOTHISINONEOFSEVERALWAYSONEWAYISTODRAWTHEDESIGNINAUTOSKETCH,EXPORTITASADFXFILE,ANDUSETHISINBOBCADTOWRITETHECODETHEYCANTHENRUNITONABRIDGEPORTCLONEUSINGAHHACAMSOFTWAREANOTHERPOPULARMETHODUSESASMALLERBENCHTOPSYSTEMOURSYSTEMUSESMASTERCAMANDQUICKPARTTORUNATECHNOISELMILLTHESEMACHINESMAKEITPOSSIBLETORUNAI/8BALLENDMILLTOADEPTHOF0020,WHICHWORKSWELLFORMAKINGTHEINSERTBESURETOMACHINEAMIRRORIMAGE,SINCETHISISAMOLDONCEASTUDENTHASMILLEDTHEINSERT,PLACEITINTHEFRAMEYOUWILLNEEDANOTHERMOLDHALFINADDITIONTOYOURFRAMEWEUSEDTHEFLATBACKOFANOTHERMOLDWEHADHANDYBUTEVENTUALLYMADEUPAFLATBACKJUSTFORTHISPROJECTUSINGTHEBACKOFANOTHERMOLDENSURESTHATTHESPACINGWILLCORRECTLYALIGNWITHTHENOZZLEOFTHEMOLDERWESTARTEDWITHA3/8THICKINSERT,BUTBYTHETIMEWEMACHINEDSMOOTHBOTHSIDES,THEINSERTWASUSUALLYABOUT1/4THICKTHISMEANSTHATTHEFOBWILLBEABOUT1/4THICKIFTHEMOLDERTEMPERATUREISTOOHIGH,THEFOBMIGHTSHRINKTOELIMINATETHISPROBLEM,EITHERLOWERTHETEMPERATUREOFTHEMOLDERORMAKEASLIGHTLYTHICKERINSERTWEHAVEFOUNDTHATLINKINGCAD/CAMDESIGNTOTHEINJECTIONMOLDINGOPERATIONHASHELPEDSTUDENTSSEETHECONNECTIONBETWEENADESIGNTOOLANDACTUALPRODUCTIONTHEFACTTHATITALLOWSSTUDENTSTOPERSONALIZETHEIRWORKMAKESTHEMOTIVATIONINTRINSIC,WHICHALWAYSMAKESITBETTERFORALLREFERENCES1GALENFDIESELERMINECYLINDERHEADDESINNTHECOMPROMISESANDTHETECHNIQUESRSAE90013319902LIMINGYUTHEESTABLISHANDMANAGEMENTOFSTANDARDSOLIDWORKSPARTSLIBRARYBASEDONCONFIGURATIONJMODERNMANUFACTURINGENGINEERING,2003,927293HUYIGANGPARAMETRICPROGRAMMINGMETHODOFCONSTRUCTIONHYDRAULICCYLINDERJMACHINETOOLHYDRAULICS,2002,6147149智能CAD/CAM和注入成型理查德布克斯特摘要制造结构。我们已制成的模具结构从一块1/2X3铝平面插入,因而它能用于注塑模。你设计的结构可能需要不同的尺寸,依靠在你的铸模中使用的模块的尺寸。我们钻了1孔,然后孔被扩到11/2。这可以由车床或铣床钻刀完成。注意到零件结构将使关键一环通过其突出部位来完成。关键词CADCAM注塑成型注射成型需要用精密模具制造产品。在过去,制造注射模具可能要远离教学平均水平等级,为了抵抗温度在其间影响注射模,机器装备的缺乏和模子必须是金属材料制成的。虽然卖主出售注射模用于桌面作业的模工容易地发现多数的教导用具,但是不允许学生自由使用这些模具。现在CAD/CAM已成为在设计中重要的工具,很多数学校把它作为教学大纲中的一部分。尚有学校面临着开展这些工具课的实用性问题,实用性使得学生允许他们接受新知识技能。我们已开展一项学生喜欢的运用CAD/CAM技能制造注射模来生产产品的概念工程。某种程度上仿照工业规程。代替制造完整的模具,学生们在模具中放入了修改修改化理念。我们使用1/4的薄片11/2DIA铝杆来制造出嵌入了个性化的钥匙扣。我们买I1/2X86061铝杆7075铝对机器来说很容易加工以及使用金属切削带锯锯到切断块3/8厚度。放置于金属车床三爪卡盘上成为一个平面。因为薄片很薄,很难看到铝的另一边的插入,所以两面是平行的。为了使它减轻,我们制成一个固定器来让学生们装夹铝块致使正面被推到固定器的背面,让其有位置装置螺丝钉。这样,另一面能通过推平从而减切成平行面。制造固定器。固定器可以很容易的通过切割一块钢板来制成,杆的尺寸可以任意长短,和车床三爪卡盘相适应。铝制模具上的插入孔底面必须平整而且直径在11/2内。我们做这项实验通过在在中间钻1/2孔正好大小够放置一个钻头钻一个深1/4和直径在11/2的平底孔。我们钻了两个孔,当它们加工时,用来将M1032螺丝钉固定于合适的位置。制造结构。我们已制成的模具结构从一块1/2X3铝平面插入,因而它能用于注塑模。你设计的结构可能需要不同的尺寸,依靠在你的铸模中使用的模块的尺寸。我们钻了1孔,然后孔被扩到11/2。这可以由车床或铣床钻刀完成。注意到零件结构将使关键一环通过其突出部位来完成。这个突出部位结构可由铣床上的端铣切割来完成。如果你没有制作这个机构的设备,可以通过RHBUXTONAOLCOM来与我联系,可能我的学生可以帮你解决。

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