1、毕 业 设 计（论 文）外 文 参 考 资 料 及 译 文译文题目：现代快速经济制造模具技术学生姓名： 学 号： 专 业： 所在学院： 指导教师： 职 称： 20xx年 2月 27日外文原文ModernfasteconomymanufacturemoldtechnologyAlongwiththeglobaleconomydevelopment,thenewtechnologicalrevolutionmadethenewprogressandthebreakthroughunceasingly,thetechnicalleapdevelopmentalreadybecomestheimpor
2、tantattributewhichtheimpetusworldeconomicsgrew.Themarketeconomyunceasingdevelopment,urgestheindustryproductmoreandmoretothemulti-varieties,highgrade,thelowcostdirectiontodevelop,inordertomaintainandstrengthenstheproductinmarketcompetitivepower,productdevelopmentcycle,productioncyclemoreandmoreshort,
3、thereupontomakeseachkindofproducttheessentialcraftequipmentmoldrequesttobemoreandmoreharsh.Ontheonehandtheenterpriseforthepursuescalebenefit,causesthemoldtoturntowardshighspeed,isprecise,thelonglifedirectiondevelops;Ontheotherhandenterpriseinordertosatisfythemulti-varieties,theproductrenewalquickly,
4、winsthemarkettheneed,requeststhemoldtoturntowardsthemanufacturecycletobeshort,thecostlowfasteconomydirectiondevelops.Thecomputer,thelaser,electronic,thenewmaterial,thenewtechnicaldevelopment,causesthefasteconomicalpatternmakingtechnologyevenmorepowerful,theapplicationscopeexpandsunceasingly,thetypei
5、ncreasesunceasingly,thecreationeconomicefficiencyandthesocialefficiencyaremoreandmoreremarkable.Thefasteconomicalpatternmakingtechnologyandthetraditionalmachine-finishingcompares,hasthepatternmakingcycleshort,thecostislow,theprecisionandthelifecansatisfyintheproductiontheoperationrequirements,issynt
6、hesizesaneconomicefficiencyquiteremarkablekindtomakethemoldthetechnology,summarizesbelow,hasseveraltypestoleave.1. Fast prototype manufactures technologyThefastprototypemanufacturetechnologyiscalledRPM,isonekindofnewmanufacturetechnologywhichthe80slaterperioddevelops.US,Japan,England,Israel,Germany,
7、Chinahaveallpromotedowncommercializationproduct,andhasformedthenewindustrygradually.RPMisthecomputer,thelaser,theopticalscanning,theadvancednewmaterial,thecomputer-aideddesign(CAD),thecomputerassistanceprocessing(CAM),thenumericalcontrol(CNC)synthesizestheapplicationthehightechnologyandnewtechnology
8、.Intakesshapeintheconcepttaketheplaneseparate,pilesupastheinstruction,inthecontroltakethecomputerandthenumericalcontrolasthefoundation.Takebiggestflexibilityasgeneralgoals.Ithasabandonedthetraditionalmachine-finishingmethod;tothemanufacturingindustrytransformationisasignificantbreakthrough,andusesth
9、eRPMtechnologytobepossibledirectlyorindirectlythefastpatternmaking,thistechnologyalreadybyprofessionwidespreadapplicationandsoonautomobile,aviation,electricalappliances,ships,medicalservice.2.SurfacestakeshapethepatternmakingtechnologyThesurfacetakesshapethepatternmakingtechnology,mainlyistheusespur
10、tsspreads,theelectrolyticcasting,chemistrycorrosionandsoonthenewtechniqueformationcavitysurfaceandthefinepatternonekindofcrafttechnology,inthepracticalapplicationincludingfollowingseveralkindoftypes.electricarcsspurtspreadtakeshapethepatternmakingtechnologyTheelectricarcspurtsspreadstakesshapethetec
11、hnicalprincipleis:Hastheelectricarcquantityofheatusingbetween2circulartelegramstinseltomeltthetinsel,dependsuponthecompressedgasitsfullatomization,andgivesthecertainkineticenergy,highspeedspraysinthetypemoldsurface,layeruponlayermounts,formsametalshell,namelythecavityinternalsurface,usestofillthesub
12、stratematerialagain(generallyformetalsiltandresincompoundmaterials)performstosupportthereinforcement,enhancesitsintensityandtherigidity,combinesthemoldtogetherwiththemetalpatternframe.Thiskindofpatternmakingtechnologycraftsimple,costlow,manufacturecycleextremelyshort,thecavitysurfacetakesshapeonlyne
13、edsforseveralhours,savestheenergyandthemetalmaterial,generalcavitysurface2-3mmisonlythick,simulationgreatlystrengthened,thepatternprecisionmayachieve0.5mum.Atpresentthistechnologywidelyusesinsuperficialshapeandsoonairplane,automobilemold,electricalappliances,furniture,shoemaking,fineartshandicraftiscomplexandthepatternfineeachkindofpolyurethaneproductblowmolding,attractsmodels,thePVCinjection,PUbecomesspongyandeachkindofinjectiontakesshapeinthemold.electrolyticcastingstakeshapethetechnol
