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ID:33004735
大小:1.29 MB
页数:68页
时间:2019-02-19
《圆度与圆柱度误差评定算法的设计与应用》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、AbstractRoundnesserroristhevariationsbetweentheidealcircleandtheprofileofthecrosssection.Cylindricityerrorisdefinedasthechangesbetweenmeasuredcolumnandidealcolumn.Roundnessandcylindricityerroraretakenastwoimportantparameterstojudgethegeometricalaccuracyofturningparts.The
2、yaregenerallymeasuredbythecylindricitymeasuringinstrument.Thevalueofroundnessandcylindricityerroraresignificantforevaluatingperformanceandservicelife.Therefore,itisveryimportanttoevaluateroundnessandcylindricityerrorpreciselyandquicklyinhigh-precisionmanufacturing.Basedo
3、ntheformerrorevaluationprincipleintheprecisionmeasurementfield,roundnessandcylindricityerrorevaluationalgorithmshavebeenresearchedandappliedinthispaper.Firstly,conventionalevaluationalgorithmsandevaluationresultsofroundnessandcylindricityerrorareanalyzedindetail.Theexper
4、imentalresultsillustratetheeffectiveness.Secondly,anewalgorithmofevaluatingroundnessandcylindricityerrorbasedongeometryoptimizationispresented.Theoptimizationandlinearizationmethodsusednormallyarenotadoptedinthisalgorithm.Inthismethod,threetypesofroundnessandcylindricity
5、errorcanbeobtainedsimultaneouslybytransferringthedistanceformulabetweenpointtopointorpointtospacelinerepeatedly.Then,basedonerrorevaluationprinciple,amathematicalmodelwitheccentricandinclinedparametersisestablished.Thismethodnotonlydecreasesthecostofproductionbutalsoimpr
6、ovetheaccuracyofroundnessandcylindricityerrorevaluation.Finally,inordertoimprovetheevaluationefficiencyofroundnessandcylindricityerrorandrealizetheevaluationvisualization,asetofsoftwarewhichcontainsevaluationandmeasurementofroundnessandcylindricityerroraccordingtothelate
7、strelevantnationalstandardswasdevelopedbasedonVC++6.0.Theexperimentalresultsshowthatthedesignedsoftwarecannotonlymeettherequirementsofthemeasurementaccuracybutalsohasafriendlyinterface.Keywords:RoundnesserrorCylindricityerrorGeometryoptimizationImproveaccuracySoftwaredev
8、elopment目录第一章绪论........................................................................................
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