1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 230-5:2000 ICS 17.
2、140.20; 25.080.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Test code for machine tools Part 5: Determination of the noise emissionThis British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of th
3、e Standards Committee and comes into effect on 15 November 2000 BSI 11-2000 ISBN 0 580 36656 1 BS ISO 230-5:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 230-5:2000 and implements it as the UK national standard. The UK
4、 participation in its preparation was entrusted to Technical Committee MTE/1, Machine tools, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the U
5、K interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred t
6、o in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contra
7、ct. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 31
8、 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.Referencenumber ISO230-5:2000(E) INTERNATIONAL STANDARD ISO 230-5 Firstedition 2000-08-01 Testcodeformachinetools Part5: Determinationofthenoiseemission Codedessaidesmachines-outils Par
9、tie5:DterminationdelmissionsonoreISO230-5:2000(E) ii ISO230-5:2000(E)iii Contents Page Foreword.iv 1 Scope1 2 Normativereferences2 3 Termsanddefinitions.3 4 Measuringequipment7 5 Installationandoperationofthemachineundertest7 6 Measurementprocedure.9 7 Measurementuncertainty.9 8 Informationtoberecor
10、ded.10 9 Informationtobereportedinthetestreport11 10 Declarationandverificationofnoise-emissionvalues12 11 Determinationoftheemissionsoundpressurelevelsattheworkstation(s)andatother specifiedpositions13 12 Methodforthedeterminationofsoundpowerlevelsemittedbyamachinetool16 AnnexA(normative)Microphone
11、arrayonthemeasurementsurface.20 AnnexB(normative)DeterminationoftheequivalentsoundabsorptionareaA.25 AnnexC(informative)Guidelinesforthedetectionofimpulsivenoise27 AnnexD(informative)Exampleofinformationtoberecorded(seeclause8)28 AnnexE(informative)Exampleofnoise-emissiondeclarationsformachinetoolsa
12、ndequipment.30 Bibliography31 ISO230-5:2000(E) iv Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjec
13、tforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandard
14、ization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. Attent
15、ionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO230maybethesubjectofpatent rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO230-5waspreparedbyTechnicalCommitteeISO/TC39,Machinetools,Subcommittee SC6,Noiseofmachinetools. ISO230consistsof
16、thefollowingparts,underthegeneraltitleTestcodeformachinetools: Part1:Geometricaccuracyofmachinesoperatingunderno-loadorfinishingconditions Part2:Determinationofaccuracyandrepeatabilityofpositioningnumericallycontrolledaxes Part3:Determinationofthermaleffects Part4:Circulartestsfornumericallycontroll
17、edmachinetools Part5:Determinationofthenoiseemission Part6:Diagonaldisplacementtest AnnexesAandBformanormativepartofISO230.AnnexesC,DandEareforinformationonly.INTERNATIONALSTANDARD ISO230-5:2000(E)1 Testcodeformachinetools Part5: Determinationofthenoiseemission 1 Scope 1.1 General ThispartofISO230sp
18、ecifiesmethodsfortestingthenoiseofstationaryfloor-mountedmachinetoolsandrelated auxiliaryequipmentdirectlyontheshopfloor.Thepurposeofthemeasurementsistoobtainnoise-emissiondata formachinetools. Thedataobtainedmaybeusedforthepurposeofdeclarationandverificationofairbornenoiseemissionfrom machinetoolsa
19、sspecifiedinISO4871,andalsoforthecomparisonoftheperformanceofdifferentunitsofagiven familyofmachinetoolsorequipment,underdefinedenvironmentalconditionsandstandardizedmountingand operatingconditions. ForthepurposesofthispartofISO230,“auxiliaryequipment”meanshydraulicpowerpacks,chipconveyors, coolant-
20、oilmistextractors,heatexchangers,refrigerators,etc.Noiseemittedbycentrallyoperatedauxiliary equipment,connectedtoseveralmachinetools,shallbeconsideredasbackgroundnoise. Generalinstructionsaregivenfortheinstallationandoperationofthemachineundertestandforthechoiceof microphonepositionsfortheworkstatio
21、nandforotherspecifiedpositions.Moredetailedinstructionscanbefound inspecificnoise-teststandardsforindividualtypesofmachinetools. Clause11specifiesamethodformeasuringtheemissionsoundpressurelevelsatworkstationsandatother specifiedpositionsinthevicinityofamachinetool.Thismethodfollowsthemethodsspecifi
22、edinISO11202and ISO11204. Clause12specifiesamethodformeasuringthesoundpressurelevelsonameasurementsurfaceenvelopingthe machinetoolandforcalculatingthesoundpowerlevelproducedbythemachinetool.Thismethodfollowsthe methodsspecifiedinISO3744andISO3746. Thedeterminationofthesoundpowerlevelonthebasisofthei
23、ntensitymethod(ISO9614andISO9614-2)isnot dealtwithinthispartofISO230. 1.2 Typesofnoiseandnoisesources ThemethodsspecifiedinthispartofISO230aresuitableforalltypesofnoiseemittedbymachinetools. ThispartofISO230isapplicabletomachinetoolsofanytypeandsize,includingdevices,componentsandsub- assemblies. NOT
24、E MeasurementsaccordingtothispartofISO230maybeimpracticableforverytallorverylongmachinetools,such astransferlines.ISO230-5:2000(E) 2 1.3 Testenvironment ThetestenvironmentthatisapplicableformeasurementsmadeinaccordancewiththispartofISO230isgenerally locatedindoors,withoneormorereflectingplanespresen
25、t,meetingspecifiedrequirements,asdescribedin clauses11and12,respectivelyin11.4.2andinclause12.3.2. 1.4 Accuracygrades Individualvaluesofemissionsoundpressurelevelsatafixedpositionandofthesoundpowerlevelofamachine tooldeterminedinaccordancewiththeproceduresgiveninthispartofISO230arelikelytodifferfrom
26、thetrue valuesbyanamountwithintherangeoftherespectivemeasurementuncertainties.Theuncertaintiesin measurementsofemissionsoundpressurelevelsandindeterminationsofthesoundpowerlevelarisefrom severalfactorswhichaffecttheresults,someassociatedwithenvironmentalconditionsatthetestsiteandothers withexperimen
27、taltechniques.ThispartofISO230dealswithmethodstodeterminetheemissionsoundpressure levelsandtheemissionsoundpowerlevel,wheretheresultsmeetgrade2accuracy(engineeringmethod)and grade3accuracy(surveymethod).Becauseofitshigheraccuracy,grade2shouldbeachievedwheneverpossible. Specificinformationonmeasureme
28、ntuncertaintiesisgiveninclause7. Althoughgrade2accuracy(engineering)ispreferred,grade3accuracy(survey)isacceptablefornoisedeclaration andmostotherpurposes.InthispartofISO230,onlythedeterminationofgrade3isdescribedcompletely.For grade2,ISO3744andISO11204shallalsobeused. 2 Normativereferences Thefollo
29、wingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO230.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO230areencouragedtoinvestigatethe possibilityofapply
30、ingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundated references,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintain registersofcurrentlyvalidInternationalStandards. ISO354:1985,AcousticsMeasurementofsoundabsorptioninareverberationroom. ISO3744:1994,
31、AcousticsDeterminationofsoundpowerlevelsofnoisesourcesusingsoundpressure Engineeringmethodinanessentiallyfreefieldoverareflectingplane. ISO3746:1995,AcousticsDeterminationofsoundpowerlevelsofnoisesourcesusingsoundpressure Surveymethodusinganenvelopingmeasurementsurfaceoverareflectingplane. ISO4871:1
32、996,AcousticsDeclarationandverificationofnoise-emissionvaluesofmachineryandequipment. ISO6926:1999,AcousticsRequirementsfortheperformanceandcalibrationofreferencesoundsourcesused forthedeterminationofsoundpowerlevels. ISO7960:1995,AirbornenoiseemittedbymachinetoolsOperatingconditionsforwoodworkingma
33、chines. ISO8500: 1) ,AirbornenoiseemittedbymachinetoolsOperatingconditionsformechanicalpressesupto 2500kN. ISO8525: 1) ,AirbornenoiseofmachinetoolsOperatingconditionsformetalcuttingmachinetools. ISO11200:1995,AcousticsNoiseemittedbymachineryandequipmentGuidelinesfortheuseofbasic standardsforthedeter
34、minationofemissionsoundpressurelevelsataworkstationandatotherspecified positions. 1)Tobepublished.ISO230-5:2000(E)3 ISO11202:1995,AcousticsNoiseemittedbymachineryandequipmentMeasurementofemissionsound pressurelevelsataworkstationandatotherspecifiedpositionsSurveymethodinsitu. ISO11204:1995,Acoustics
35、NoiseemittedbymachineryandequipmentMeasurementofemissionsound pressurelevelsataworkstationandatotherspecifiedpositionsMethodrequiringenvironmentalcorrections. IEC60651:1979,Soundlevelmeters,andAmendment1:1993. IEC60804:1985,Integrating-averagingsoundlevelmeters,andAmendment1:1989andAmendment2:1993.
36、IEC60942:1997,ElectroacousticsSoundcalibrators. 3 Termsanddefinitions ForthepurposesofthispartofISO230,thefollowingtermsanddefinitionsapply. NOTE1 InthefollowingdefinitionsandintheformulaethroughoutthispartofISO230,theuseofaprime(L p ,etc.) indicatesmeasuredvalueswithoutanycorrection. NOTE2 Moredeta
37、ileddefinitionsmaybefoundinnoise-testconditionsforspecifictypesofmachinetoolsandrelated equipment. 3.1 emission airbornesoundradiatedbyawell-definednoisesource(e.g.themachineundertest)underspecifiedoperatingand mountingconditions NOTE Noise-emissiondescriptorsmaybeincorporatedinaproductlabeland/orpr
38、oductspecification.Thebasicnoise- emissiondescriptorsarethesoundpowerlevelofthesourceitselfandtheemissionsoundpressurelevelsataworkstation and/oratotherspecifiedpositions(ifany)inthevicinityofthesource. 3.2 emissionsoundpressure p soundpressure,ataspecifiedpositionnearanoisesource,whenthesourceisino
39、perationunderspecified operatingandmountingconditionsonareflectingplanesurface(i.e.thefloor),excludingtheeffectsofbackground noiseaswellastheeffectsofreflectionsotherthanthosefromtheplaneorplanespermittedforthepurposeofthe test NOTE Theemissionsoundpressureisexpressedinpascals. 3.3 emissionsoundpres
40、surelevel p L tentimesthelogarithmtothebase10oftheratioofthesquareoftheemissionsoundpressure,p 2 (t),tothesquare ofthereferencesoundpressure, 2 0 p,measuredwithaparticulartimeweightingandaparticularfrequency weighting,selectedfromthosedefinedinIEC60651 2 2 0 () 10lg p pt L p (1) NOTE Theemissionsoun
41、dpressurelevelisdeterminedataspecifiedpositionandisexpressedindecibels.Thereference soundpressureis20 Pa.ISO230-5:2000(E) 4 3.3.1 time-averagedemissionsoundpressurelevel eqpT L emissionsoundpressurelevelofacontinuoussteadysoundthat,withinameasurementtimeinterval,T,hasthe samemeansquaresoundpressurea
42、sasoundunderconsiderationwhichvarieswithtime NOTE1 Thetime-averagedemissionsoundpressurelevelisexpressedindecibelsandisgivenbythefollowingequation: 2 eq 2 0 0 0,1 () 0 1() 10lg ddB 1 =10lg 10 d dB T pT T Lpt pt Lt T p t T (2) NOTE2 L peqT shallbemeasuredwithaninstrumentwhichcomplieswiththerequiremen
43、tsofIEC60804. NOTE3 TheA-weightedtime-averagedemissionsoundpressurelevelsarenotedby AeqpT L ,usuallyabbreviatedto p L A . NOTE4 Ingeneral,thesubscriptseqandTareomittedsincetime-averagedemissionsoundpressurelevelsarenecessarily determinedoveracertainmeasurementtimeinterval. NOTE5 Equation(2)isidentic
44、altothatforthefamiliarISOenvironmentalnoisedescriptor“equivalentcontinuoussound pressurelevel“definedinISO1996-1andISO1999.However,theemissionquantitydefinedaboveisusedtocharacterizethe noiseemittedbyamachineundertestandassumesthatstandardizedmeasurementandoperatingconditions,aswellasa controlledaco
45、usticalenvironment,areusedforthemeasurements. 3.3.2 C-weightedpeakemissionsoundpressurelevel L pC,peak highestinstantaneousvalueoftheC-weightedemissionsoundpressureleveldeterminedoveranoperationalcycle NOTE TheC-weightedpeakemissionsoundpressurelevelisexpressedindecibels 3.3.3 single-eventemissionso
46、undpressurelevel L p,1s time-integratedemissionsoundpressurelevelofanisolatedsinglesoundeventofspecifieddurationT(orspecified measurementtimeintervalT)normalizedtoT 0 =1s NOTE1 Thesingle-eventemissionsoundpressurelevelisexpressedindecibelsandisgivenbythefollowingequation: 2 ,1s 2 0 0 0 1() 10lg ddB
47、T p pt Lt T p (3) eq 0 =+10lg dB pT T L T NOTE2 TheaboveequationisidenticaltothatforthefamiliarISOenvironmentalnoisedescriptor“soundexposurelevel“. However,theemissionquantitydefinedaboveisusedtocharacterizeanoisesourceandassumesthatacontrolled environmentisusedforthemeasurements. 3.4 soundpressurel
48、evel p L levelwhichismeasuredatanypositionwithoutanycorrection(K 1A ,K 2A ,K 3A ),asindicatedbytheprimeISO230-5:2000(E)5 3.5 freefieldoverareflectingplane soundfieldinahomogeneous,isotropicmediuminthehalfspaceaboveaninfinite,rigidplanesurfaceonwhich themachineundertestislocated 3.6 workstation opera
49、torsposition positioninthevicinityofthemachineundertestwhichisintendedfortheoperator 3.7 operator individualwhoseworkstationisinthevicinityofamachineandwhoisperformingaworktaskassociatedwiththat machine 3.8 specifiedposition positiondefinedinrelationtoamachine,including,butnotlimitedto,anoperatorsposition NOTE1 Thepositioncanbeasingle,fixedpoint,oracombinationofpointsalongapathoronasurfacelocatedata specifieddistancefromthemachine,asdescribedintherelevantnoise-testcode,ifanyexists. NOTE2 Pos
