ASTM F2416-2006e1 Standard Specification for Protective Headgear Used in Electric Personal Assistive Mobility Devices《人员辅助移动电气装置中使用的防护帽的标准规范》.pdf
《ASTM F2416-2006e1 Standard Specification for Protective Headgear Used in Electric Personal Assistive Mobility Devices《人员辅助移动电气装置中使用的防护帽的标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM F2416-2006e1 Standard Specification for Protective Headgear Used in Electric Personal Assistive Mobility Devices《人员辅助移动电气装置中使用的防护帽的标准规范》.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F 2416 06e1An American National StandardStandard Specification forProtective Headgear Used in Electric Personal AssistiveMobility Devices1This standard is issued under the fixed designation F 2416; the number immediately following the designation indicates the year oforiginal adoption o
2、r, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.e1NOTEFig. 1 was editorially corrected in October 2006.1. Scope*1.1 This specification co
3、vers performance requirements forhelmets manufactured for users of electric personal assistivemobility devices.1.2 All testing and requirements of this specification shallbe in accordance with Test Methods F 1446, except wherenoted in this specification.1.3 Partial utilization of this specification
4、is prohibited. Anystatement of compliance with this specification shall be acertification that the product meets all of the requirements ofthe specification in its entirety. A product that fails to meet anyone of the requirements of this specification is considered tohave failed the specification an
5、d should not be sold with anyindication that it meets parts of the specification.2. Referenced Documents2.1 ASTM Standards:2F 1446 Test Methods for Equipment and Procedures Usedin Evaluating the Performance Characteristics of ProtectiveHeadgear3. Terminology3.1 Definitions of Terms Specific to This
6、Standard:3.1.1 electric personal assistive mobility device,nelectrically-driven wheeled device for personal mobilitywith a speed limited to no more than 22.5 kph (14 mph).4. Headforms4.1 Headforms to be used in this specification are asspecified in Test Methods F 1446. The appropriate size head-form
7、 shall be selected for the helmet to be tested as specifiedin Test Methods F 1446.5. Anvils and Impact Velocities5.1 Anvils to be used for impact tests in this specificationare the flat, hemispherical, and curbstone anvils described inTest Methods F 1446.5.2 The helmet shall be dropped onto the flat
8、 anvil toachieve an impact velocity of 6.2 m/s.5.3 The helmet shall be dropped onto the hemispherical andcurbstone anvils to achieve an impact velocity of 4.8 m/s.5.4 The impact velocity shall be measured during the last 40mm of free-fall for each test and shall be within 63 % of thevelocities speci
9、fied in 5.2 and 5.3.6. Marking the Test Line (Area of Required Coverage)6.1 The test line is shown in Fig. 1 and shall be marked inaccordance with Test Methods F 1446.7. Conditioning, Number of Samples, and LaboratoryEnvironment7.1 The test normally requires eight samples of each shell/liner combina
10、tion.7.2 Conditioning of the samples to be tested is described inTest Methods F 1446.8. Retention System Testing8.1 The ambient helmet shall be subjected to the positionalstability (roll-off) test in accordance with Test Methods F 1446,usinga4kgdrop mass from a height of 0.6 m.8.2 The hot, cold, and
11、 wet helmets shall be subjected to thedynamic strength retention test in accordance with Test Meth-ods F 1446, usinga4kgdrop mass from a height of 0.6 m. Theretention system shall remain intact without elongating morethan 30 mm.8.3 Retention system testing shall be completed prior toimpact testing.9
12、. Impact Sites and Projections9.1 Impact sites are described in Test Methods F 1446.9.2 ProjectionsAny unfaired projection extending morethan 7 mm from the helmets outer surface shall break away orcollapse when impacted with forces equivalent to those pro-duced by applicable impact-attenuation tests
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