圆度与圆柱度误差评定算法的设计与应用

《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........................................................................................