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ASTM_B_830_-_11.pdf

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1、Designation:B83011Standard Specification forUniform Test Methods and Frequency1This standard is issued under the fixed designation B830;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses

2、 indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers a standard basis for uniformtesting and frequency to determine physical and electricalcompliance for aluminum and copper drawing stock

3、,andaluminum and copper conductors.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.2.1 ExceptionResistivity is measured in SI units.

4、2.Referenced Documents2.1 The following documents of the issue in effect on dateof material purchase form a part of this specification to theextent referenced herein.2.2 ASTM Standards:2E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.3 National Bur

5、eau of Standards:3Handbook 100,Copper Wire Tables2.4 Canadian Standards Association:4CAN/CSA-ISO 9001-08 Quality Management Systems RequirementsCAN/CSA Z299.3-85(R2006)Quality Assurance Program-Category 32.5 ANSI Standards:5ANSI/ISO/ASQ 3534-1-2006 Statistics-Vocabulary andSymbols Part 1-General Sta

6、tistical Terms and Terms UsedIn ProbabilityANSI/ISO/ASQ3534-2-2006 Statistics-Vocabulary andSymbols Part 2-Applied StatisticsANSI/ISO/ASQ Q9001-2008 Quality Management Systems-RequirementsANSI/ISO/ASQ Q9004-1-2009 Managing for the SustainedSuccess of an Organization A Quality ManagementApproachANSI/

7、ASQC C1-1996 Specification of General Require-ments for a Quality ProgramANSI/ASQC S1-1996 An Attribute Skip-Lot Sampling Pro-gramANSI/ASQ Z1.4-2008 Sampling Procedures and Tables forInspection by Attributes3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 acceptable quality leve

8、l(AQL)the maximum per-cent nonconforming(or the maximum number of nonconfor-mities per hundred units)that,for purposes of samplinginspection,can be considered as a process average.3.1.2 average outgoing quality(AOQ)the average qualityof outgoing product,including all accepted lots or batches,plusall

9、 lots or batches not accepted after such lots or batches havebeen effectively 100%inspected and all nonconforming unitsreplaced by conforming units.3.1.3 CPKProcess Performance Index.Discussion:Capability in Relation to Spec Mean:USL=5.0LSL=1.0MEAN=2.0Standard deviation()=0.5CPK tells the capability

10、 of a process based upon the worst case viewof the data.The equation is:CPK=the lesser of:1This specification is under the jurisdiction of ASTM Committee B01 onElectrical Conductors and is the direct responsibility of Subcommittee B01.02 onMethods of Test and Sampling Procedure.Current edition appro

11、ved Oct.1,2011.Published November 2011.Originallyapproved in 1993.Last previous edition approved in 2003 as B830 97(2003).DOI:10.1520/B0830-11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume

12、 information,refer to the standards Document Summary page onthe ASTM website.3Available from National Technical Information Service(NTIS),5301 ShawneeRd.,Alexandria,VA 22312,http:/www.ntis.gov.4Available from Canadian Standards Association(CSA),5060 Spectrum Way,Mississauga,ON L4W 5N6,Canada,http:/w

13、ww.csa.ca.5Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 USL2 MEAN!3orMEAN2 LSL!3(1)For example:CPK55.02 2.0!1.5or2.

14、02 1.0!1.5(2)52.0 or 0.6750.67A negative value for CPK indicates that the mean is out-side the specification limits.A CPK of zero indicates that themean is equal to one of the specification limits.A CPK be-tween 0 and 1.0 means that part of the 6 sigma limits fallsoutside the specification limits.A

15、CPK of 1.0 means that oneend of the 6 sigma limits falls on a specification limit.ACPK larger than 1.0 means that the 6 sigma limits fall com-pletely within the specification limits.See Explanatory Note1 for an example interpretation of CPK values and actions tofollow.Capability indices are useful t

16、ools in the analysis of capa-bility data.The most useful index is CPK,since it formu-lates capability in a manner that relates to shifts in the meanof the distribution away from the midpoint.3.1.4 lota group of production units of one type and sizeof wire,which were produced during the same time periodunder similar production conditions,and are presented foracceptance at the same time.The mass will be defined in theASTM document for the specific product to be tested.3.1.5 process averagethe aver

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