GB/T 10357.4-2023 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 10357.4-2023 | English | 405 |
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Test of mechanical properties of furniture - Part 4: Stability of storage units
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| GB/T 10357.4-2013 | English | 70 |
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Test of mechanical properties of furniture -- Part 4: Stability of storage units
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| GB/T 10357.4-1989 | English | 185 |
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Test of mechanical properties of furniture--Stability of storage units
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GB/T 10357.4-2023: Test of mechanical properties of furniture - Part 4: Stability of storage units---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT10357.4-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 97.140
CCS Y 80
Replacing GB/T 10357.4-2013
Test of Mechanical Properties of Furniture - Part 4.Stability
of Storage Units
(ISO 7171.2019, Furniture - Storage Units - Test Methods for the
Determination of Stability, MOD)
Issued on. SEPTEMBER 7, 2023
Implemented on. APRIL 1, 2024
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
Introduction... 7
1 Scope... 8
2 Normative References... 8
3 Terms and Definitions... 8
4 General Test Conditions... 9
5 Test Equipment and Facilities... 11
6 Test Steps... 12
7 Test Report... 24
Appendix A (informative) Guidelines for the Selection of Loads and Forces for Stability
Test of Storage Units... 26
Appendix B (normative) Loads and Forces for Stability Test of Storage Units... 27
Appendix C (informative) Principle for the Selection of Test Methods... 29
Foreword
This document was drafted in accordance with the rules provided in GB/T 1.1-2020 Directives
for Standardization - Part 1.Rules for the Structure and Drafting of Standardizing Documents.
This is Part 4 of GB/T 10357 Test of Mechanical Properties of Furniture. GB/T 10357 has
issued the following parts.
---Part 1.Strength and Durability of Tables;
---Part 2.Stability of Chairs and Stools;
---Part 3.Strength and Durability of Chairs and Stools;
---Part 4.Stability of Storage Units;
---Part 5.Strength and Durability of Storage Units;
---Part 6.Strength and Durability of Beds;
---Part 7.Stability of Tables.
---Part 8.Stability of Chairs with Tilting or Reclining Mechanisms When Fully Reclined,
and Rocking Chairs.
This document serves as a replacement of GB/T 10357.4-2013 Test of Mechanical Properties
of Furniture - Part 4.Stability of Storage Units. In comparison with GB/T 10357.4-2013, apart
from structural adjustments and editorial modifications, the main technical changes are as
follows.
---The Normative References is added (see Chapter 2);
---The Terms and Definitions is added (see Chapter 3);
---The test conditions are modified. pre-treatment conditions, loading force requirements,
control requirements for unit movement during the test and loading requirements are
added; the tolerance requirements are modified (see Chapter 4; 2.1 of Version 2013);
---The overall requirements for test equipment and facilities are added (see 5.1);
---The ground requirements are modified (see 5.2; 3.3 of Version 2013);
---The requirements for wall surface, quality, suspended filing pocket load, loading pad
and TV formwork are added (see 5.3; 5.5, 5.6, 5.7 and 5.8);
---The requirements for stops are modified (see 5.4; 3.2 of Version 2013);
---The general principles of tests are deleted (see 4.1 of Version 2013);
---The determination of the center of gravity is deleted (see 4.2 of Version 2013);
---The shelf stability test is deleted (see 4.3 of Version 2013);
---The general rules of tests are added (see 6.1);
---The item name of the no-load stability test when the movable components are closed is
modified into “all door-opening and extension elements, and flaps are closed, with all
storage components unloaded”, and is divided into two parts. units with a height of or
adjustable to 1,000 mm, and units with a height of or adjustable to > 1,000 mm; the
force value of the test with a height of or adjustable to > 1,000 mm is modified (see 6.2;
4.4.1 of Version 2013);
---All door-opening, extension elements and flap opening test, with all storage components
unloaded, is added (see 6.3);
---The item name of the no-load stability test when the movable components are opened is
modified into “all door-opening and extension elements, and flaps are opened and
unloaded, all storage components are unloaded”, and the test method is modified (see
6.4.1; 4.4.2 of Version 2013);
---Door-opening, extension elements and flap opening and loading test, with all storage
components unloaded, is added (see 6.4.2);
---The test name is modified from the loading stability when the movable components are
opened into door-opening, extension elements and flap opening and loading, with all
storage components loaded, and the test method is modified (see 6.4.3; 4.5.2 of Version
2013);
---The topmost extension elements opening and loading test, with some storage
components loaded, is added (see 6.4.4);
---The test name is modified from the loading stability when the movable components are
closed into all closed door-opening, extension elements and flap opening direction
loading, with all storage components loaded, and the test method is modified (see 6.5;
4.5.1 of Version 2013);
---Dynamic stability test of units with casters is added (see 6.6);
---Strength test of the anti-overturn device is added (see 6.7);
---Additional stability test for TV-furniture is added (see 6.8);
---The Test Report is added (see Chapter 7);
---The load and force values for the stability test of storage units are added (see Appendix
B).
This document modifies and adopts ISO 7171.2019 Furniture - Storage Units - Test Methods
for the Determination of Stability.
In comparison with ISO 7171.2019, this document makes the following structural adjustments.
---The content of 6.1 in ISO 7171.2019 is integrated into 4.1 of this document;
---The content of Appendix A in ISO 7171.2019 is divided into Appendix A and Appendix
B of this document;
---Appendix C corresponds to Appendix B of ISO 7171.2019.
The technical differences between this document and ISO 7171.2019, and the causes for these
differences are as follows.
---The expression of the Scope is modified to comply with the compilation regulations of
Chinese Standards (see Chapter 1; Chapter 1 of ISO 7171.2019);
---The terms and definitions of overturn, TV-furniture and bracket are added for the newly
added related test items (see 3.1; 3.3 and 3.4);
---The terms and definitions of extension element, flap, free standing unit, interlock,
leveling device, unit, clear height, locking mechanism, worst case, suspended filing
pockets, wall attachment device and component are deleted, because they have been
included in GB/T 10357.5 (see Chapter 2 of ISO 7171.2019);
---The pre-treatment requirements are modified, and the provisions for connecting walls
and failing to satisfy test conditions are added. The test items of the product are clarified,
and deviation assessment is proposed, which is more operable (see 4.1; 4.1 of ISO
7171.2019);
---The requirements for dimensional tolerances are modified. dimensions smaller than 200
mm are distinguished from the requirements for other dimensional tolerances, and the
requirements for dimensional tolerances of the spherical curvature of a radius of 300
mm on the loading pad are added. Different tolerance requirements are proposed for
different dimensions, which is more scientific (see 4.3; 4.3 of ISO 7171.2019);
---The loading provisions for storage components / volumes of heavy equipment (such as.
refrigerators and washing machines) are added. More storage situations for storage
units are covered, which is more complete (see Table 1 of 4.5);
---The requirements for test facilities, such as. wall surfaces, spherical objects and TV
formworks, etc. are added, which are required for the newly added test items (see 5.3,
5.7 and 5.9);
---Partial loading test of storage components is added, and the content of this part is added
to Appendix C, so as to ensure the stability of this type of products (see 6.4.4);
---Additional stability test for TV-furniture is added, so as to ensure the stability of this
type of products (see 6.8);
---Appendix A is modified, so as to facilitate the understanding of the principle of applied
force selection (see Appendix A);
---The load and force of the stability test of storage units are modified and divided into two
recommended levels for household and non-household purposes; the recommended
levels of some tests in different service environments are also sub-divided, and the
content of this part is adjusted to be normative, which is more reasonable (see Appendix
B; Appendix B of ISO 7171.2019).
This document makes the following editorial modification.
---The title of the Standard is modified, so as to maintain consistency with the titles of
other parts of GB/T 10357.
Please be noted that certain content of this document may involve patents. The institution
issuing this document does not undertake the responsibility of identifying these patents.
This document was proposed by China National Light Industry Council.
This document shall be under the jurisdiction of National Technical Committee on Furniture of
Standardization Administration of China (SAC/TC 480).
The drafting organizations of this document. Shanghai Institute of Quality Inspection and
Technical Research; Jiangxi Jinhu Insurance Equipment Group Co., Ltd.; Sunon Technology
Co., Ltd.; Zhejiang Light Industrial Products Inspection and Research Institute; Henglin Home
Furnishings Co., Ltd.; OPPEIN Home Group Co., Ltd.; M&Z Furniture Co., Ltd.; DeRUCCI
Healthy Sleep Co., Ltd.; Ningbo Yixiang Blow Molding Furniture Co., Ltd.; Markor
International Household Products Co., Ltd.; Jiangxi Guang Zheng Metal Equipment Group Co.,
Ltd.; Jiangxi Wan Oak Furniture Group Co., Ltd.; Jiangxi Yuanda Insurance Equipment
Industrial Group Co., Ltd.; Qingdao Haier Home Co., Ltd.
The main drafters of this document. Luo Jufen, Xie Mingjun, Liu Chenguang, Shi Yuting, Yao
Chenlan, Zhang Xujun, Luo Ligang, Xiong Chunlin, Wang Jianglin, Dong Ling, Wang Jianbing,
Wang Liping, He Menghao, Jiang Jinglei, Gu Shaojun, Yang Jinguang, Chen Guohua, Xu Di,
Lian Jingjin.
The issuing of the previous versions.
---Firstly issued in 1989 as GB/T 10357.4-1989, and firstly revised in 2013;
---This is the second revision.
1 Scope
This document describes the test methods for the stability of storage units.
This document is applicable to cabinet (the storage type) furniture that has been assembled and
ready for use.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB/T 10357.5 Test of Mechanical Properties of Furniture - Part 5.Strength and Durability of
Storage Units
3 Terms and Definitions
The terms and definitions defined in GB/T 10357.5 and the following are applicable to this
document.
A rigid support device to prevent overturn.
4 General Test Conditions
The speed of static load application shall be slow, so as to ensure that the additional dynamic
load is small enough to be ignored. Unless otherwise specified, each load specified to be applied
shall be maintained for 10 seconds ~ 15 seconds.
Independent units that tend to slide during the tests shall be restricted by stops (see 5.4) that do
not prevent them from overturn (see 3.1).
5 Test Equipment and Facilities
The change in the position of the center of gravity of the loaded formwork and the position of
the center of gravity of the unloaded formwork shall be limited to within 5 mm.
During the tests, the formworks shall be kept in the initial position.
6 Test Steps
Apply the vertical downward force specified in Table B.1 to the front panel of the opened
extension element or the centerline position 50 mm away from the outer edge of the opened
opening door or flap. For TV-furniture with both extension elements and opening doors, force
shall be successively applied to each component.
7 Test Report
The test report shall at least include the following content.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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