IEC 60068-2-64-2008 环境试验.第2-64部分:试验.试验Fh:振动、宽带随机(数控)和指南

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标准号:IEC 60068-2-64-2008
中文标准名称:环境试验.第2-64部分:试验.试验Fh:振动、宽带随机(数控)和指南
英文标准名称:Environmental testing - Part 2-64: Tests - Test Fh: Vibration, broad-band random and guidance
标准类型:A21
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:A21
国际标准分类号:19.040
引用标准:IEC 60050-300;IEC 60068-1;IEC 60068-2-6;IEC 60068-2-47-2005;IEC 60068-3-8-2003;IEC 60068-5-2;IEC 60721-3;IEC Guide 104;ISO 2041
适用范围:This part of IEC 60068 demonstrates the adequacy of specimens to resist dynamic loadswithout unacceptable degradation of its functional and/or structural integrity when subjectedto the specified random vibration test requirements.Broadband random vibration may be used to identify accumulated stress effects and theresulting mechanical weakness and degradation in the specified performance. Thisinformation, in conjunction with the relevant specification, may be used to assess theacceptability of specimens.This standard is applicable to specimens which may be subjected to vibration of a stochasticnature resulting from transportation or operational environments, for example in aircraft,space vehicles and land vehicles. It is primarily intended for unpackaged specimens, and foritems in their transportation container when the latter may be considered as part of thespecimen itself. However, if the item is packaged, then the item itself is referred to as aproduct and the item and its packaging together are referred to as a test specimen. Thisstandard may be used in conjunction with IEC 60068-2-47:2005, for testing packagedproducts.If the specimens are subjected to vibration of a combination of random and deterministicnature resulting from transportation or real life environments, for example in aircraft, spacevehicles and for items in their transportation container, testing with pure random may not besufficient. See IEC 60068-3-8:2003 for estimating the dynamic vibration environment of thespecimen and based on that, selecting the appropriate test method.Although primarily intended for electrotechnical specimens, this standard is not restricted tothem and may be used in other fields where desired (see Annex A).

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