轎車零部件三坐標精密測量柔性夾具設計及裝夾方案研究.pdf

1、湖北工業(yè)大學碩士學位論文轎車零部件三坐標精密測量柔性夾具設計及裝夾方案研究姓名：楊丹申請學位級別：碩士專業(yè)：機械設計及理論指導教師：熊健民20090501湖北or_業(yè)大學碩’士學位論文AbstractA10ngwiththedevelopmentoftheautomobi1eindustry。thecoordinateprecisionmeasurement，wthitsefficiencyandaccuracy，playsanincr

2、easinglyimportantroleinthequalitycentrel1ingofthecarcomponentswhichareofvariouscategories，complexshapes，poorrigidityandvulnerabletodamageanddeformeasytoinLreduceadditionalerrorsThetopicofthisarticleisthedesignofthecarcom

3、ponentscoordinatesprecisionmeasurementflexiblefixtureandclampingresearchAndtakeacarcoverhoodwhichisusedtomarkthetypeot’thecarasanexampletodescribehowtheflexiblefixtureisusedinthefje1dofprecisionmeasurementforthecarcompon

4、entscoordinateThroughtheflexiblefixturedesignandthecomponentsparametersmanagement，thehigherstiffnessandclampingaccuracyinthecoordinateprecisionmeasurementofcarsshapedthin—walledcomponentsisavailableThusitismorereliablein

5、positionng，fasterinclampng，1essindeI’ormation，andmoreaccurateinmeasurementIndeed，theexcel1entapplicationresultshavebeenprovedinthepracticePro／EN(；TNEERsoftwareisusedtodesignthestruetureofthefixtureThesamplesareproducedjn

6、WuHanSanuktnLtdAndtheyareimprovedinthepracticeInordertomanageandal10catecategoricallY，theserialcomponentsofflexibIefixturehavebeenparameterizedThisflexiblefixturehasbeenappliedfortheNationalinventionpatentandnowitisinthe

7、processofthepublicationInthefixtureprogramplan，theproductsupportprogramisonthebasisoftheshapeoftheoutercontourprojectionandtheempiricalrules：thepositioningformisdeterminedbytheorientationrule：alltheavailableclampingpoint

8、saredividedintozonesaccordingtotheapproximateshapeofproductsinthefeasiblezones：thesuitableclampingpointsineachzonearechosentocomposethefixtureprogram：thusthefihalpracticableprogramofpositioning，supportingandclampingisdet

9、erminedTheoptimalsetupprogramisdecidedbasingonthefixtureaccuracy，measuringaccessibility，theloadingandunloadingrapidity，clampingstability，andthedeformationcausedbytheforce，etcUsingthePro／ENGINEERsoftwarecompletesthedigita