ASTM D4728 PDF

This standard is issued under the fixed designation D ; the number immediately 1 This test method is under the jurisdiction of ASTM Committee D10 on. 11 Oct ASTM D Standard Test Method for Random Vibration Testing of Shipping Containers has been released. It revises and replaces the. In this way, ASTM-D standard test method for random vibration testing of shipping containers simultaneously excite many product and container.

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In this way, many product and container resonances are simultaneously excited.

However, different test levels may be utilized for each axis depending on the field environment that is to be simulated. Approximating the actual damage, or lack of damage, experienced in real life may require subjecting the container and its contents to random vibration tests.

ASTM-D4728

However, different test levels may be utilized for each axis depending on the field environment that is to be simulated. When possible, confidence levels may be improved by comparing laboratory asrm results with actual field shipment effects.

Design modification to one or all of these components may be used to achieve optimum performance in the shipping environment. It is the responsibility of the user of this standard to establish appropriate safety, health x4728 environmental practices and determine the applicability of regulatory limitations prior to use.

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ASTM D – 17 Standard Test Method for Random Vibration Testing of Shipping Containers

Equivalent tests between sine and asgm, in a general sense, are difficult to establish due to nonlinearities, damping and product response characteristics. Refer to Practice D for recommended random vibration tests. Random vibration tests should be based on representative field data. Historical Version s – view previous versions of standard.

Such tests may be used to assess the performance of a container with its interior packing and means of closure in terms of its ruggedness and the protection that it provides the contents when subjected to random vibration inputs. Shipping containers are exposed to complex dynamic stresses in the distribution environment. Vibration exposure affects the shipping container, its interior packing, means of closure, and contents.

In this way, ASTM-D standard test method for random vibration testing of shipping containers simultaneously excite many product and container resonances. Design modification to one or all of these components may be used to achieve optimum performance in the shipping environment. This test allows analysis of the interaction between these components. Resonance buildups during random vibration tests are less intense than during sinusoidal resonance dwell or sweep tests.

Sources of supplementary information are listed in the Reference section 1- Random vibration may be conducted in any axis vertical or horizontal or in any package orientation. This test allows analysis of the interaction between these components. Therefore, unrealistic fatigue damage due to resonance buildup is minimized. Approximating the actual damage, or lack of damage, experienced in real life may require subjecting the container and its contents to random vibration tests.

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D Terminology of Packaging and Distribution Environments. When possible, confidence levels may be improved by comparing laboratory test results with actual field shipment effects.

Random vibration tests may be simultaneously performed with transient or periodic data to simulate known stresses of this type, that is, rail joints, pot holes, etc. Such tests may be used to assess the performance of a container with its interior packing and means of closure in terms of its ruggedness and the protection that it provides the contents when subjected to random vibration inputs.

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See Appendix X1 and Appendix X2 for related information. Link to Active This link will always d478 to the current Active version of the standard.

d44728 Therefore, unrealistic fatigue damage due to resonance buildup is minimized. Specific safety hazard statements are given in Section 6. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.