ASTM F2843-2010a Standard Specification for Condition 0 Bicycle Frames《条件0下自行车框架标准规范》.pdf

1、Designation: F2843 10aStandard Specification forCondition 0 Bicycle Frames1This standard is issued under the fixed designation F2843; 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 parenthese

2、s indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis specification standard defines a set of requirements for Condition 0 bicycle frames. Condition0 is a vehicle usage classification defined in Classific

3、ation F2043 indicating the type of riding andsurface condition intended by design. Included are specifications for establishing loads and othercriteria to be used with the matching test method.1. Scope1.1 This standard establishes testing requirements for thestructural performance properties of Cond

4、ition 0 bicycleframes.1.2 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.2. Referenced Documents2.1 ASTM Standards:2F2043 Classification for Bicycle UsageF2711 Test Methods for Bicycle Frames3. Terminology3.1 Definitions:3.2 bi

5、cycle frame, nthe structural member that supportsthe seat with rear connection for the rear wheel, front connec-tion via the head tube for the fork and lower connection for thecrank/pedal assembly.3.3 frame size, nthe size of the frame as designated bywheel diameter used.4. Classification4.1 Conditi

6、on 0 bicycle frame.5. Performance Requirements5.1 The bicycle frame shall be tested in accordance withTest Methods F2711, the Horizontal Loading Fatigue test,Vertical Loading Fatigue test, and the Impact Strength test.5.1.1 Horizontal Loading Fatigue TestThe frame shall betested and must complete a

7、minimum 50 000 cycles with acyclic load of 600 N tensile and 300 N compressive.5.1.2 Vertical Loading Fatigue TestThe frame shall betested and must complete a minimum 50 000 cycles with acyclic load of 600 N to 60 N in the compressive direction.5.1.3 Impact Strength TestThe frame shall be tested wit

8、ha drop height of 120 mm, and the permanent set of the frameand fork shall be less than 20 mm.6. Rejection and Rehearing6.1 Frames that fail to meet the requirements of thisstandard shall be rejected.7. Certification7.1 When specified in the purchase order or contract, thepurchaser shall be furnishe

9、d certification that specimens havebeen either tested or inspected as directed in this specificationand the requirements have been met. When specified in thepurchase order or contract, a report of the test results shall befurnished.8. Keywords8.1 bicycle; bike; child; Condition 0; frame; sidewalk1Th

10、is test method is under the jurisdiction of ASTM Committee F08 on SportsEquipment and Facilities and is the direct responsibility of Subcommittee F08.10 onBicycles.Current edition approved Oct. 1, 2010. Published November 2010. Originallyapproved in 2010. Last previous edition approved in 2010 as F2

11、843 10. DOI:10.1520/F2843-10A.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.1Copyright ASTM International,

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