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1、2.2Assembly positioningAssemblypositioningSix-pointlocatingImproveproductivityMechanicalpositioningCharacteristicsofaircraftpartsLocationAdjustshapeLimitdeformationAircraftAssemblypositioningfeatures“supersix-pointlocating”Assemblypositioning 翼肋各零件按工艺孔定位1Positioning according to workpiece 按角片确认框的纵向位
2、置1-蒙皮;2-长桁;3-角片;4-框1Positioning according to workpiece 角片以框、长桁定位2Positioning with scribing 用划线定位示意图1-上缘条;2-下缘条;3-腹板;4,5-加强角材2Positioning with a scribing 用划线法定位长桁和框的示意图1-基准线;2-蒙皮;3-长桁;4-隔框2Positioning with a scribing 晒相法定位铰链和锁扣的示意图(a)明胶板;(b)显影后的口盖蒙皮;(c)装配好的口盖组件3Positioning with assembly holesUsethepre-madeassemblyholeontheparttolocate。翼肋组合件装配孔的加工和协调路线示意图 用装配孔装配板件1-蒙皮;2-长桁;3-隔框;4-装配孔 4Positioning with assembly fixture 用装配夹具定位示意图1-翼肋腹板;2-夹具底座;3-定位夹紧件;4-挡块;5-定位销 机翼装配型架1-机翼;2-主梁接头定位器;3-前梁接头定位器;4-副翼悬挂接头定位器;5-卡板 工艺肋及工艺蒙皮示意图(a)工艺肋;(b)带有梁定位器的工艺蒙皮