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. Historical Version s – view previous versions of standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. However, different test levels may be utilized for each axis depending on the field environment that is to be simulated. Random vibration may be conducted in any axis vertical or horizontal or in any package orientation.

When possible, confidence levels may be improved by comparing laboratory test results with actual field shipment effects. Link to Active This link will always route to the current Active version of the standard. Approximating the actual damage, or lack of damage, experienced in real life may require subjecting the container and its contents to random vibration tests.

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. See Appendix X1 and Appendix X2 for related information. Specific safety hazard statements are given in Section 6.

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Random vibration tests should be based on representative field data. Sources of supplementary information are listed in the Reference section 1- Approximating the actual damage, or lack of damage, experienced in real life may require subjecting the container and its contents to random vibration tests.

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.

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.

Resonance buildups during random vibration tests are less intense than during sinusoidal resonance dwell or sweep tests.

ASTM-D4728

Refer to Practice D for atsm random vibration tests. Therefore, unrealistic fatigue damage due to resonance buildup is minimized. However, different test levels may be utilized for each axis depending on the field environment that is to be simulated.

D Terminology of Packaging and Distribution Environments.

When possible, confidence levels may be improved by comparing laboratory test results with actual field shipment effects. For more information visit www. Equivalent dd4728 between sine and random, in a general sense, are difficult to establish due to nonlinearities, damping and product response characteristics.

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

Random vibration tests may be simultaneously performed with transient ast periodic data to simulate known stresses of this type, that is, rail joints, pot holes, etc. Shipping containers are exposed to complex dynamic stresses in the distribution environment. Therefore, unrealistic fatigue damage due to resonance buildup is minimized. This test allows analysis of the interaction between these components.

ASTM D – 06 Standard Test Method for Random Vibration Testing of Shipping Containers

Design modification to one or all of these components may be used to achieve optimum performance in the shipping environment. Vibration exposure affects the shipping container, its interior packing, means of closure, and contents. This test allows analysis of the interaction between these components.

D47288 modification to one or all of these components may be used to achieve optimum performance in the shipping environment. In this way, ASTM-D standard test method for random vibration testing of shipping containers simultaneously excite many product and container resonances.