基于NX图样的尺寸标注干涉检查方法研究

打开文本图片集

中图分类号：TP391.7;U42.5 文献标志码：B doi：10.20214/j.cnki.zhgdjt.2025.01.010

StudyonanInterferentialInspectionMethodforDimensionMarksBasedonNXDrawings

LIUZhenbo1，HEYongchuan2，ZHANGQian3，WANGTian1 （1.CRRCIndustrialInstituteCorporationLimited，Beijing10070，China; 2.CRRCZhuzhouLocomotiveCo.，Ltd.，Zhuzhou41201，China; 3.CRRCTechnologyInovation（Beijing）Co.，Ltd.，Beijing10096，China）

Abstract：Duringtheproductdesignandproductioninthemechanicalindustry，CADdrawingisthemost commonformofdocument.Beforereleasingthedrawings，there’renormalytheprocesesofinspectionof drawingsandstandardizedreview andsignature.Duringtheinspectionofdrawings，theinterferential inspectionofdimensionalfiguresnedstocheckthepositionalrelationsbetwenfiguresandlinesofal dimensionmarks，soitisoneofthemosttime-consuminginspections.Inthefaceofcomplicatedasembly drawingswithmasivemarks，theinterferentialinspectionofdimensionshasaparticularlyprominentimpact ontheeficiency.Thisarticlesummarizesseveralinterferentialinspection methodsfordimensionsand comparestheminactualengineringexamples.Itturnsoutthattheacuracyandtheinspectioneficiencyof theimageidentificationmethodarethehighest，andthatthismethoddoesn’trelyonNXAPIinterface，soit hasabeteruniversality.

Keywords：engineringdrawings;dimensionmarks;interferentialinspection;NXsecondarydevelopment; imageidentification

CAD 图样是产品设计、工艺、制造等工作的主要信息载体，在当前机械行业中 CAD 图样仍扮演着重要的角色。（剩余7035字）