ANSI ASTM F2868-2010 Standard Specification for Condition 2 Bicycle Frames《第2类条件的自行车框架规范》.pdf

1、Designation: F2868 10 (Reapproved 2015) An American National StandardStandard Specification forCondition 2 Bicycle Frames1This standard is issued under the fixed designation F2868; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, th

2、e 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.INTRODUCTIONThis specification standard defines a set of requirements for Condition 2 bicycle frames. Condition2 is a ve

3、hicle usage classification defined in Classification 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 f

4、or thestructural performance properties of Condition 2 bicycleframes.1.2 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.3 This standard is applicable to adult size suspension andnon-suspension bicycle frames.2. Referenced Doc

5、uments2.1 ASTM Standards:2F2043 Classification for Bicycle UsageF2711 Test Methods for Bicycle Frames3. Terminology3.1 Definitions:3.1.1 bicycle 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 con

6、nection for thecrank/pedal assembly.4. Classification4.1 Condition 2 bicycle frame.5. Performance Requirements5.1 The bicycle frame shall be tested in accordance with themethods of Test Methods F2711, the Horizontal LoadingFatigue test, Vertical Loading Fatigue test, and the ImpactStrength test.5.1.

7、1 Horizontal Loading Fatigue TestThe frame shall betested and must complete a minimum 50 000 cycles with acyclic load of 800 N tensile and 600 N compressive.5.1.2 Vertical Loading Fatigue TestThe frame shall betested and must complete a minimum 50 000 cycles with acyclic load of 1200 N to 120 N load

8、 in the compressivedirection.5.1.3 Impact Strength TestThe frame shall be tested witha drop height of 180 mm, and the permanent set of the frameand fork shall be less than 40 mm.6. Rejection and Rehearing6.1 Frames that fail to meet the requirements of thisstandard shall be rejected.7. Certification

9、7.1 When specified in the purchase order or contract, thepurchaser shall be furnished 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 sh

10、all befurnished.8. Keywords8.1 bicycle; bike; city; comfort; commuting; hybrid1This test method is under the jurisdiction of ASTM Committee F08 on SportsEquipment, Playing Surfaces, and Facilities and is the direct responsibility ofSubcommittee F08.10 on Bicycles.Current edition approved Oct. 1, 201

11、5. Published December 2015. Originallyapproved in 2010 as F2868 10. DOI: 10.1520/F2868-10R15.2For 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

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