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1、ABS電器蓋塑料模具課程設計DOCdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.PlasticmolddesigncaseABSelectriccapTechnicalrequirements:1,notraceofappearance,surfaceroughnessRa3.2;2,nonotechamferR0.5,nonoted
2、imensionaltolerance,takeMT5levelaccuracy;3,massproduction.I.technicalanalysisofplasticparts1.useperformance,parts,technicalrequirementsandproductionrequirements,theuseofperformance,theplasticpartsforthecover,fordust.Accordingtotherequirements,theuseofmassproduction,u
3、singinjectionmolding.2..UnderstandingplasticpartsABSisathermoplasticamorphousmaterial,mediumliquidity,overflowvalueofabout0.04mm,moistureabsorptionstrong,beforemoldingmustbefullydry.3.dimensionalanalysisofplasticpartslook-uptable(3-1)400+0.05[2][1]Andtables(3-2)[2]kn
4、ow250.+0.05AllofthemareclassMT2precision,whichbelongto"highprecisionsize"inmoulddesignandmanufactureEnsureaccuracyrequirements.Theothersizeshavenospecialrequirements,andtheirdimensionaltolerancesshallbecheckedbyMT5levelaccuracy.4.thequalityoftheplasticsurfaceanalysis
5、mustavoidburrsinplasticpartsofthesurface;payattentiontotheholedoesnotappearsharpedges;thesurfaceroughnessonlyshaperequirementsRa3.2,nootherpartsofhighroughnessrequirements.Analysisof5.plasticpartsofthestructureprocess(1)plasticthicknessis2mm,uniformthickness,goodmold
6、ingperformance;(2)theplasticitselfhasacertaininclinationtorelease;(3)fromtheplasticpartsofthestructure,atypeofsurfaceset.Thechoiceofinjectionmachine(a)1.piecesofplasticinjectionmachineselectioncalculationofthevolumeoftheplasticvolumecalculationfor3Dsolidmodelingusing
7、PRO/Esoftware,andcanbedirectlythroughthesoftwareanalysis,inquiryintotheplasticpartsofthesize:V=16.14cm32.tocalculatethequalityofplasticpartsiscalculatedaccordingtothequalityofplasticmolddesign"Chineseceremony"[3]Richard:P=1.021.16g/cm3,accordingtotheshapeandsizeofthe
8、plasticparts,diestructureofacavityofthefirstmockexam,thequalityofplasticpartsandinjectionsystem:W=P(V+V-)injectionmoldingmachine=1.
