1、Designation:F277409(Reapproved 2014)An American National StandardStandard Practice forManufacturing Quality Control of Consumer Trampoline BedMaterial1This standard is issued under the fixed designation F2774;the number immediately following the designation indicates the year oforiginal adoption or,
2、in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice covers the manufacturing quality controlof Consumer Trampoline-Bed Materi
3、al(CTM),describingtypes of tests,the proper test methods,minimum testingfrequencies,and best practices for sampling.1.2 This practice is intended to aid manufacturers,suppliers,purchasers,installers,and end users of CTM in establishing aminimum level of effort for maintaining quality control.1.3 Thi
4、s practice does not address manufacturing qualityassurance,product acceptance testing,or conformance testing.These are independent activities taken by organizations otherthan the CTM manufacturer.1.4 This practice covers procedures for sampling CTM forthe purpose of manufacturing quality control(MQC
5、).Theseprocedures are designed to ensure the correct number ofrepresentative samples are obtained and properly reported bythe manufacturer.1.5 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.6 This standard does not purport to
6、 address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D123 Terminol
7、ogy Relating to TextilesD3786 Test Method for Bursting Strength of TextileFabricsDiaphragm Bursting Strength Tester MethodD4271 Practice for Writing Statements on Sampling in TestMethods for Textiles(Withdrawn 2009)3D4329 Practice for Fluorescent Ultraviolet(UV)Lamp Ap-paratus Exposure of PlasticsD5
8、034 Test Method for Breaking Strength and Elongation ofTextile Fabrics(Grab Test)D5587 Test Method for Tearing Strength of Fabrics byTrapezoid Procedure3.Terminology3.1 Definitions:3.1.1 For definition of other textile terms used in thisstandard,refer to Terminology D123.3.1.2 Organizational Definit
9、ions:3.1.3 installer,nparty who installs,or facilitates installa-tion of,any materials purchased from manufacturers or sup-pliers.3.1.4 manufacturer,ngroup,corporation,partnership,orindividual that manufactures a product.3.1.5 purchaser,nperson,company,or organization thatpurchases any materials or
10、work to be performed.3.1.6 supplier,nparty who supplies material or services.3.1.7 Quality Definitions:3.1.8 quality assurance(QA),nall those planned or sys-tematic actions necessary to provide adequate confidence thata material,product,system,or service will satisfy given needs.3.1.9 quality contro
11、l(QC),nplanned system of activitieswhose purpose is to provide a level of quality that meets theneeds of users;also,the use of such a system.3.1.10 Sampling Definitions:3.1.11 lot,nunit of production,or a group of other unit orpackages,taken for sampling or statistical examination,havingone or more
12、common properties and being readily separablefrom other similar units.3.1.12 sample,n(1)a portion of material which is takenfor testing or for record purposes;(2)a group of specimensused,or of observations made,which provide information that1This practice is under the jurisdiction of ASTM Committee
13、F08 on SportsEquipment,Playing Surfaces,and Facilities and is the direct responsibility ofSubcommittee F08.17 on Trampolines and Related Equipment.Current edition approved May 15,2014.Published September 2014.Originallyapproved in 2009.Last previous edition approved in 2009 as F2774 09.DOI:10.1520/F
14、2774-09R14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard
15、is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 can be used for making statistical inferences about the popu-lation(s)from which samples are drawn.3.1.13 specimen,nspecific portion of material or labora-tory s
16、ample upon which a test is being performed or which istaken for that purpose.4.Significance and Use4.1 CTM must be properly manufactured in a mannerconsistent with a minimum level of quality control as deter-mined by in-house testing of the final product.This practicesuggest types of tests,the methods of the testing and theminimum testing frequencies.4.2 It should be clearly recognized that manufacturers mayperform additional tests or at a greater frequency than requiredin this practice,or both.