1.1 本试验方法包括通过在产品安装表面施加水平线性运动来测定未包装产品和部件的共振。产品垂直振动测试见测试方法 D3580型 .提出了两种替代试验方法: 1.1.1 试验方法A- 使用正弦振动进行共振搜索，以及 1.1.2 试验方法B- 使用随机振动的共振搜索。 注1: 这两种试验方法不一定相同，也可能产生不同的结果。 1.2 当这些产品共振在预期的运输环境频率范围内时，该信息可用于检查产品对振动的响应，以用于产品设计目的，或用于容器或内部包装的设计，以将临界频率下的运输振动输入降至最低。由于振动损坏最有可能发生在产品共振频率，因此这些可能被认为是潜在的产品脆弱点。 1.3 从可选正弦驻留和随机试验方法中获得的信息可用于评估共振部件的疲劳特性和产品修改。如果产品的响应需要设计不切实际或成本过高的运输集装箱，这可能是必要的。 1.4 此测试方法不一定模拟产品在操作或最终使用环境中会遇到的振动影响。为此，应使用其他更合适的测试程序。 1.5 以国际单位表示的数值应视为标准值。括号中给出的值仅供参考。 1.6 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 有关具体的预防说明，请参见第节 6. 1.7 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 =====意义和用途====== 4.1 产品在运输环境中受到复杂的动态应力。确定产品的共振频率（水平、垂直或两者）有助于包装设计师确定适当的包装系统，以对产品提供充分的保护，并了解产品组件之间与预期运输振动输入相关的复杂相互作用。

1.1 This test method covers the determination of resonances of unpackaged products and components by means of horizontal linear motion applied at the surface on which the product is mounted. For vertical vibration testing of products see Test Method D3580 . Two alternate test methods are presented: 1.1.1 Test Method A— Resonance Search Using Sinusoidal Vibration, and 1.1.2 Test Method B— Resonance Search Using Random Vibration. Note 1: These two test methods are not necessarily equivalent and may not produce the same results. 1.2 This information may be used to examine the response of products to vibration for product design purposes, or for the design of a container or interior package that will minimize transportation vibration inputs at the critical frequencies, when these product resonances are within the expected transportation environment frequency range. Since vibration damage is most likely to occur at product resonant frequencies, these may be thought of as potential product fragility points. 1.3 Information obtained from the optional sinusoidal dwell and random test methods may be used to assess the fatigue characteristics of the resonating components and for product modification. This may become necessary if a product's response would require design of an impractical or excessively costly shipping container. 1.4 This test method does not necessarily simulate vibration effects the product will encounter in operating or end-use environments. Other, more suitable test procedures should be used for this purpose. 1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see Section 6 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 4.1 Products are exposed to complex dynamic stresses in the transportation environment. The determination of the resonant frequencies of the product, either horizontal, vertical or both, aids the package designer in determining the proper packaging system to provide adequate protection of the product, as well as providing an understanding of the complex interactions between the components of the product as they relate to expected transportation vibration inputs.