GB/T 4857.23-2021

Packaging—Basic tests for transport packages—Part 23：Vertical random vibration test method (English Version)

Standard No.

GB/T 4857.23-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 4857.23-2021

Replace

GB/T 4857.23-2012

Scope

This document specifies the vertical random vibration test principle, test equipment, test procedures and test reports for transport packages. This document is applicable to the vertical random vibration test of transport packages or unit goods. It is used to evaluate the strength of the package and the protection ability of the package to the contents when it is vibrated vertically. It can be used as a single test or as part of a series of tests.

Introduction

Key points of the core revision of the standard

Revision items	2012 edition	2021 edition
Scope of application	Random vibration	Specified as Vertical random vibration
Frequency resolution	2Hz	Increased to 1Hz
Test equipment	No fixed device is specified	3 types of simulated transport fixed devices are added

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Key technical requirements for test equipment

The vibration table system must meet the following requirements:

• Table surface horizontality deviation ≤±1°
• Minimum resonance frequency＞200Hz
• Equipped with auxiliary equipment such as low frame and load fixing device

Typical application case: A logistics company uses an electromagnetic vibration table (model ES-3) to test e-commerce packaging and achieves a PSD control accuracy of ±1.5dB in the 5-100Hz frequency band.

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Application Specification of Power Spectral Density

Appendix	Applicable scenarios	Typical grms values
Appendix A	General road transport	0.604
Appendix D	China railway transport	0.82-0.41

Note: The selection of the severity level should be based on factors such as product value and transportation distance. It is recommended to give priority to Severity Level II.

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Key considerations for implementation

1. Safety protection: The fastening device must be checked before the test. If the vibration response exceeds the limit, the machine should be shut down immediately
2. Environmental control: Start the test within 5 minutes after pretreatment. The temperature and humidity records must be accurate to ±1℃/±5%RH
3. Data acquisition: It is recommended to use ICP type accelerometer (such as PCB 352C33) to ensure signal fidelity

GB/T 4857.23-2021 Referenced Document

• GB/T 4122.5 Packaging terms.Part 5:Inspection and test
• GB/T 4857.2 Packaging-Basic tests for transport packages-Part 2:Temperature and humidity conditioning
• GB/T 4857.3 Packaging. Basic tests for transport packages. Part 3: Stacking test methods using a static load
• ISO 2233:2000 Packaging - Complete, filled transport packages and unit loads - Conditioning for testing

GB/T 4857.23-2021 history

• 2021 GB/T 4857.23-2021 Packaging—Basic tests for transport packages—Part 23：Vertical random vibration test method
• 2012 GB/T 4857.23-2012 Packaging.Basic tests for transport packages.Part 23:Random vibration test method
• 2003 GB/T 4857.23-2003 Packaging--Transport packages--Random vibration test method

GB/T 4857.23-2021 -All Parts