知识辅助注射模具三维CAD设计系统(4)

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–Adesignformanufacture.Acompleteinjection

moulddesigndevelopmentcyclecanbecomposedofthemoulddesignandmouldmanufacturingprocess.TointegrateCAD/CAMintothemoulddesign,themanufacturingfeaturesonthemouldshouldbeab-stractedandanalysedforthespeci cNCmachine.BoththeprocessplanandtheNCcodeshouldbeautomaticallygeneratedtoenablethe naldesigned–mouldtobemanufactured.

Adesignforengineeringdrawings.Formanycompanies,theinjectionmoulddesignhastoberepresentedintheformofengineeringdrawingswithdetaileddimensions.CAD/CAMtoolsthatareabletoautomaticallygeneratetheseengineeringdrawingsfromthe nalinjectionmoulddesignwillbeuseful.Basedontheaboveanalysis,ourresearchfocusistodeveloptechniquestorepresent‘whattheyhave’and‘whattheywant’.

Representing‘whattheywant’isactuallytherepre-sentationoftheknowledgeandinjectionmouldobject.Developing‘whattheywant’meanstointegratetherepresentationwithintelligentandinteractivetoolsfortheinjectionmoulddesignintoacompleteddesignenvironment.Therefore,anIKB-MOULDisproposedformoulddesignerstorealisetheabovetworequire-ments.

3TheIKB-MOULD

TheIKB-MOULDcombinestheuseofknowledge-basedandobject-orientedtoolswithcommercialsolidmodellingsoftwaretocarryoutitsfunction.TheIKB-MOULDpresentedinthispaperbeginswiththeplasticparttobemouldedand nisheswiththegenerationofacompletedmouldsystemwithrelativelydetailed

drawings.

Fig.2Theplastic

productFig.4Thedesignedcoreandcavityinserts

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