基于快速成型技术的快速模具制造技术

《基于快速成型技术的快速模具制造技术》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、大连理工大学硕士学位论文基于快速成型技术的快速模具制造技术姓名：李仁杰申请学位级别：硕士专业：机械制造及其自动化指导教师：赵福令20050301基予快速成型技术的恢涟模其翻造技术TheTechnologyofRapidToolingBasedonRapidPrototypingAbstractAstheresultofthestmgingmarketcompetition,modemmanufacturingisdevelopingtowardthemodeoflowvolume，manytypes,hi馥quality,lowcostandpromptlymarketrespond．Asa

2、newadvmacedmanufacturingtechnologyonlyovertenyear,rapidpmtotypingandmanufacturinghassuccessfullyrealizedthemanufacturingofrapidprototype，nowithasdevelopedswiftlytowardrapidtooling．Inthispaper,itintroducesthecharacteristicsandafewrepresentativeartsforrapidproeotyping，analysesanddiscussesthecurrentsi

3、tuation，mainproblemanddevelopmenttrendforRPatfirst．Thenitintroducesthecurrentsituationanddevelopmentforrapidtooling，nalysesthefeaturesandproblemsofindirectrapidtoolinganddirectrapidtooling,pointsoutthedevelopmenttrendsoftheRPlathe21thcentury．Threadthestudyofthecharacteristicsofthetechnologyfordesig

4、ning，themethodandtheproceduresforthesiliconerubbermouldbasedontherapidprototypingtechnology,therelativekeytechniquessuchasdimensioncompensation，determinationofthepartingdirection，designofthepartingline，selectionofthedraftanddesignofthegatewerestudied．弧艟conclusionareshowedasfollows：Therearemanyfic妁r

5、swhichcaninfluencepartprecision．Commonly,thebestmixproportionisoneratioone,itcaneiflaancesthesurfacerouglmesswhentheproportion越lanceordisminish；thepourspeedwhichisdearfiveminuteisbetter,thefasterspeedwillenhancethesurfaceroughness；theviscidityofrosinislarger,thesurfaceroughnessisbigger。Thebosomofpr

6、oductcanappearthephenomenonofbladder．Theexhaustplaceisirrational，theinteriorvacuumisnotenoughwhentheventissmall，moisture，solventorvolatileisinthematerial，whichcancal,l辩theproblem．There懿manyre．asonswhichcausetheproductisnotwhole．Itincludesthepourmaterialisnotenough，theviscidityofmaterialishigh，thefl

7、uidityofmaterialisbad，thepourplaceisimproperandthevacuumoftheeqmpmentisnotenoughetc，Thepracticeapplicationofthesiliconembbermoddwillbebenefitedfromtheresearchofthispaper,Itbringstheexperimentdata受f出etbundat