CADCAMCAE系统得发展和应用.doc

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1、扳锡蟹胜亿憬卡珐缎糇庳廷附录反哺庖萜缧霄缶骁蒙佃畿诡DEVELOPMENTANDAPPLICATIONOFPLASTICSMOLDINGCAD/CAM/CAESYSTEM接粗巩缂药硭榘洽钽橇曩丽AdvancedManufacturingTechnologyCenter,Harbininstituteoftechnology救睽呶钎钺丰飘蟊跚哙媚粪ABSTRACT:thispaperdescribesfeaturesofplasticsmoldingCAD/CAM/CAEintegratedsystema

2、ndprocessofapplyingthesystemtopractice.DevelopmentandapplicationofI-DEAS(integrateddesignengineeringsoftware)wereperformedinviewofactualplasticsmolding.TheresultsshowthatplasticsmoldingCAD/CAM/CAEsystemisapracticalandefficienttechniquewhichisworthspreadi

3、ng.滨炒湫咛姹匮戳淞稆茨缂怒KEYWORDS:plasticsmoldingCAD/CAM/CAE；integrated；I-DEAS鄂魔晡旗潦制砂谥薮休驴懋1.introduction渐蹉超憾癸楣垸蚓癯丁劈啡Plasticsmoldingisthemainmethodofproducingplasticsproduct.Itdevelopsinhighspeedbutitshistoryisshort.Plasticsmoldingisalsousedextensively.Accordingtot

4、hestatistics,thequantityofplasticsmoldingisabout28%ofthatofallmolding,butthetraditionaldesignofplasticsmoldingislowefficient,longperiodicandwasteful.Itcontradictswiththedevelopmentofplasticsindustry.Withthedevelopmentoftechniqueincomputer,numericalcontro

5、landplasticsfluid,plasticsmoldingCAD/CAM/CAEhasbeenappliedextensivelyatpresent玖萋雠翟躬呈称硪庥见曼碟2.plasticsMoldingCAD/CAM/CAEsystem描丧中榻匚攉勃褂曙黑艉殂2.1processofplasticsmoldingCAD/CAM/CAE泊觋皎账革慨懈刚砭瀵棺坨TheintegrationofCAD/CAM/CAEchangesthetraditionalmodeofproducingmoldi

6、ng.Fig.1showtheintegratedprocess.颚仑啖救岷创苜俨篆清媵绠Intraditionaldesign,itisrequiredtoproduceactualsolidmoldingtoevaluatetheappearanceandtestthefunctionofproductwhentheproductconstructionisfinished.Bycontrast,inCAD/CAM/CAEsystem,byusingsolidgeometrymodelinguser

7、scandisplaythepictureofproductvividlyongraphicterminal,evaluatetheappearanceandmodelingtechnologythroughobservingthescreen,andneednotproduceactualsolidmodeling.Byusingfinite谓魇厘劓嫩趿偿惘缴慝昭戍柴忭辟礼补冠授玛什瘸阚敌Fig1processofplasticsmoldingCAD/CAM/CAE卜瘛夯鸠毓淦帕沌怕嫣硌千Elemen

8、tmethodanalysissoftware,userscanalsotestthemechanicalfunctionsofproduct.ThemainfeatureofCAD/CAMsystemisthegenerationofacommondatabasewhichisusedforalldesignandmanufacturingactivities,soanotherfunctionofgeometrymodelingisto