Machine_tool_standard_comparison_Final.pdf

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1、EvaluationAndComparisonOfTheDifferentStandardsUsedToDefineThePositionalAccuracyAndRepeatabilityOfNumericallyControlledMachiningCenterAxesBrigidMullany,Ph.DUniversityofNorthCarolina,CharlotteOctober2007TableofContentsPageIntroduction………………………………………………………………………3Standardsre

2、levanttothestudy…………………………………………………4ISO230-2:2006......................................................................................................6ISO230-2:1997…………………………………………………………………..7ISO230-2:1988.................................................................

3、......................................8VDI/DQG3441.....................................................................................................9ANSIB5.54.............................................................................................................1

4、0JIS6330…………………………………………………………………………...11Parameterstobereported……………………………………………………….12IdenticalandsimilarparametersISO230-2:2006&VDI/DQG3441....................................................................13ISO230-2:2006&ISO230-2:1988.................................

5、...................................14ISO230-2:1988&VDI/DQG3441....................................................................15VDI/DQG3441&JISB6330-1980...................................................................16ISO230-2:2006&JISB6330-1980..................

6、.................................................16Numericalanalysis................................................................................................17AppendixA................................................................................................

7、.............25UNCCharlotteMullany2IntroductionMachinetoolpositionalaccuracyandrepeatabilityarecoredescriptorsofamachinetoolandindicatethemachine’sexpectedlevelofperformance.Whileanumberofstandardsandguidelinesexistoutlininghowtoevaluatemachinetoolpositionalaccuracyandre

8、peatability,theydifferintheiranalysisproceduresandinkeyparameterdefinition.Asaresultthevaluesreportedfo