Foreword
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 13668-2003 General specification for steel book cabinets and information cabinets. In addition to editorial changes, the following main technical changes have been made with respect to GB/T 13668-2003:
——The classification has been modified (see Clause 3 hereof; 3.1 of Edition 2003);
——The naming of product model has been deleted (see 3.2 of Edition 2003);
——The requirements for the shape and dimensions of the cabinet have been deleted (see 3.3 of Edition 2003);
——The requirements for geometrical tolerance have been modified (see 4.2 hereof; 4.3.2 of Edition 2003);
——The appearance requirements have been modified (see 4.3 hereof; 4.2 of Edition 2003);
——The requirements for the performance of ferrous metal materials used for the product have been deleted, and the "material” have been modified to "steel sheet thickness", with the requirements for steel sheet thickness modified (see 4.4 hereof; 4.1 of Edition 2003);
——The process requirements have been deleted, which are merged into the appearance requirements (see 4.4 of Edition 2003);
——The "surface treatment" has been modified to "surface physical and chemical performance", the requirements for phosphating and gloss have been deleted, and the requirements for hardness and test methods have been modified (see 4.5 hereof; 4.5 of Edition 2003);
——The requirements for accessories have been deleted, which are merged into the appearance requirements (see 4.6.1, 4.6.2 and 4.6.3 of Edition 2003);
——The requirements for salt spray resistance of metal electroplated coating have been modified (see 4.5 hereof; 4.6.4 of Edition 2003);
——The requirements for roughness and chrome coating thickness have been deleted (see 4.6.4 of Edition 2003);
——The requirements and determination methods for moisture content of wood have been added (see 4.6 and 5.6 hereof);
——Other requirements have been added, into which the requirements for ordinary locks and numbered locks are combined (see 4.7 hereof; 4.6.5 of Edition 2003);
——The requirements for mechanical property have been modified (see 4.8 hereof; 4.7 and 4.8 of Edition 2003);
——The inspection rules have been modified (see Clause 6 hereof; Clause 6 of Edition 2003);
——The marking, instructions for use, packaging, transport and storage have been modified (see Clause 7 hereof; Clause 7 of Edition 2003);
——The annual average equilibrium moisture content of woods in different areas of China have been added (see Annex A hereof).
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This standard was proposed by the China National Light Industry Council.
This standard is under the jurisdiction of SAC/TC 480 National Technical Committee on Furniture of Standardization Administration of China.
The previous editions of this standard are as follows:
——GB/T 13668-1992 and GB/T 13668-2003.
General technical requirements for steel book cabinets and information cabinets
1 Scope
This standard specifies the classification, requirements, test methods, inspection rules, marking, instructions for use, packaging, transport and storage of steel book cabinets and information cabinets.
This standard is applicable to steel book cabinets and information cabinets, and reference may be made to it for other steel cabinet furniture.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 708 Dimension, shape, weight and tolerance for cold-rolled steel strip and sheet
GB/T 1720 Method of test for adhesion of paint films
GB/T 1732 Determination of impact resistance of coating films
GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 3325-2008 Metal furniture - General technical requirements
GB 5296.6 Instructions for use of products of consumer interest - Part 6: Furniture
GB/T 6739 Paints and varnishes - Determination of film hardness by pencil test
GB/T 10357.4-2013 Test of mechanical properties of furniture - Part 4: Stability of storage units
GB/T 10357.5-2011 Test of mechanical properties of furniture - Part 5: Strength and durability of storage units
GB/T 13667.1 Steel bookshelves - Part 1: Bookshelf of single column and multi-column
QB/T 3826 Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products - Neutral salt spraying test (NSS)
3 Classification
The products can be divided into single-section type and multi-section type by structural form.
4 Requirements
4.1 Limit deviation of overall dimension (general item)
The limit deviation of overall dimension of the products shall be ±2 mm.
4.2 Geometrical tolerance (general item)
The geometrical tolerance shall comply with those specified in Table 1.
Table 1 Geometrical tolerance
S.N. Inspection items Requirements
1 Verticality of adjoining side/mm Panel and frame Diagonal length ≥ 1,000 ≤3
<1,000 ≤2
Opposite side length ≥ 1,000 ≤3
<1,000 ≤2
2 Horizontal deviation/% Top panel ≤0.5
3 Flatness/mm Door, drawer panel, side panel, and top panel ≤0.2
4 Position difference degree/mm Distance deviation between door and frame, between door and door, between drawer and frame, between drawer and door, between drawer and drawer, and between two adjacent surfaces of cabinets with multi-sections (not required in the design) ≤2.0
5 Parting/mm All partings (unless required in the design) ≤2.0
6 Slump/mm Drawer ≤20
7 Swing range/mm ≤15
8 Touchdown stability/mm Difference between footing and horizontal plane ≤2.0
4.3 Appearance
The product appearance shall comply with those specified in Table 2.
Foreword i
1 Scope
2 Normative references
3 Classification
4 Requirements
5 Test methods
6 Inspection rules
7 Marking, instructions for use, packaging, transport and storage
Annex A (Normative) Annual average equilibrium moisture content of woods in different areas of China
Bibliography
