This standard specifies the main dimensions, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of wooden bookshelves and periodical racks. This standard is applicable to wooden bookshelves and periodical racks used in the library, information, archives, and data departments. GB/T 14533-1993 Technical conditions for wooden bookshelves and periodical racks for library supplies equipment GB/T14533-1993 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Library Equipment
Technical Conditions for Wooden Bookshelves and Periodical Shelves
Library equipment - Specification of wooden bookshelves and periodical shelves 1 Subject content and scope of application
GB/T14533
This standard specifies the main dimensions, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of wooden bookshelves and periodical shelves.
This standard applies to wooden bookshelves (hereinafter referred to as bookshelves) and periodical shelves used in the library, information, archives, and data departments. 2
Referenced Standards
GB3324 Wooden Furniture
(B4893.4 Determination of Adhesion of Furniture Surface Paint Film by Cross Cutting GB4893.7 Determination of Resistance to Cold and Hot Temperature Difference of Furniture Surface Paint Film GB4893.8 Determination of Abrasion Resistance of Furniture Surface Paint Film GB4896~4905 Particleboard
GB9846.1~9846.12 Plywood
(GB103 57.4 Furniture mechanical properties test cabinet stability G1310357.5 Furniture mechanical properties test cabinet strength and durability GB11718.1~11718.10 Medium density fiberboard 3 Main dimensions
3.1 The main dimensions of the bookshelf are shown in Figure 1, Figure 2 and Table 1. Approved by the State Administration of Technical Supervision on July 21, 1993 and implemented on March 1, 1994
Upright bookshelf
900~1 000
900～1 000
GB/T 14533—93
Figure 1 upright bookshelf
Figure 2 inclined bookshelf
b double-sided
b double-sided
net height of each layer
1200~2200
260300
400~480
1200～2200
net height of the bottom shelf from the ground
not less than 100
not less than 100
lazy inclined bookshelf
size difference
900～1 000
9001000
Note: The width of the double bookshelf is 2B.
GB/T14533-93
Continued Table 1
200~220
400~440
3.2 The main dimensions of the journal rack are shown in Figure 3 and Table 2. B
Single-sided journal rack
Double-sided journal rack
Dimension difference
11050~1 200
Exhibition
260300
Display and storage
360~～400
400~~460
1050~1200
4Technical requirements
4.1Limit deviation of dimension
680~740
1 200～2 200
1 200~2 200
Clear height of floor
1 200~~2 200
1 200~2200bzxz.net
Display net height
bDouble-sided
Bottom shelf net height from the ground
Not less than 100
Not less than 100
Bottom display shelf
Bottom edge height from the ground
Not less than 100
Not less than 100
Display shelf inclination angle
16°~26°
16°~26°
GB/T 14533-93
The limit deviation of product dimensions is width ±5mm, depth ±3mm, height ±3mm. 4.2 Shape and position tolerance
The shape and position tolerance of the product shall comply with the provisions of Table 3. Table 3
Warp of board Aa
Flatness of panel 6
Vertical degree of adjacent edge c
4.3 Materials
4.3.1 The moisture content of wood should not be greater than the annual average equilibrium moisture content of wood in the area of ​​use. Allowable tolerance
4.3.2 The texture of the tree species used for the surface of the same product should be similar; the color and texture of symmetrical parts should be similar; the internal lining strips of the panel should use soft tree species or tree species with similar texture. 4.3.3 Plywood, particleboard, and medium-density fiberboard should comply with the provisions of relevant standards such as GB9846.1~9846.12; GB4896~4905; GB11718.1~11718.10.
4.3.4 The allowable defects of wood materials are specified in Table 4. Table 4
Allowable limits
Wood defects
Live and dead knots
Cracks, blunt edges
Appearance, structural parts and main load-bearing parts are not allowed
Live knot diameter does not exceed 20% of the part width, diameter does not exceed 5 mm, does not affect strength and appearance, dead knots are not allowed
Not allowed
Not allowed
Internal materials
The area of ​​light corrosion does not exceed 20% of the material area, and the depth does not exceed 20%
Live knot diameter does not exceed 30% of the part width, and the true diameter does not exceed 25mm. Dead knot repair and plugging
Insecticide treatment, repair and plugging
Does not affect strength
Does not affect strength
4.4 Process
4.4.1 Artificial board parts or packaged parts should be edge-sealed, and the edge sealing should be tight and no debonding is allowed. 4.4.2 The joints and eyes of the sample holes should be coated with glue; the joints are tight and firm. The shoulder gap does not exceed 0.2mm on the outside and 0.5mm on the inside. There should be no defects such as breakage and cracking of the sample holes. 4.4.3 The parts should be tightly joined. The height of the bookshelf shelves is divided into fixed or adjustable. The movable shelves of the same product should be interchangeable. 4.4.4 The inclined shelves of the magazine racks for display are fixed. The inclined shelves of the magazine racks for display and storage are liftable. Lifting and closing should be flexible. 4.5 Appearance
4.5.1 The surface of the product is flat and smooth, without cracks, debonding and obvious deformation. The coating color is uniform, the paint film is matte, and no defects such as wrinkles, brush marks, bubbles, and sagging are allowed.
4.5.2 The inverted edges, rounded corners, and rounded lines of the exposed parts should be uniform and consistent. 4.5.3 The foot should be stable on the ground. The gap between a single foot and the ground should not be greater than 2mm. 4.6 Mechanical properties of products
4.6.1 Strength
GB/T 14533--93
Shelves, top plates, bottom plates and main structures shall be tested for strength in accordance with the requirements of Table 1, Table 2 and Table 3 of GB10357.5, using the 4-level test level. Test results: The components shall not be broken, cracked, or have wear or deformation that affects the use function. Looseness or other abnormal phenomena are not allowed at the joints. The movable parts shall be flexible. 4.6.2 The vertical and horizontal loading stability of the shelves shall be tested in accordance with the method specified in GB10357.4. When the foot or the enclosure is lifted off the ground, the force applied shall be greater than 30N. 4.7 Physical and chemical properties of paint film
The requirements for the physical and chemical properties of paint film are specified in Table 5.
Test items
Adhesion
Resistance to temperature difference
5Test methods
Test conditions
Cross-cut method, spacing 2mm
2000 revolutions
Temperature 40±2℃ (relative humidity 98%~99%), 20±2℃, place for 1h3 cycles
5.1 The inspection of dimensional deviation and geometric tolerance shall be carried out in accordance with the relevant provisions of GB3324. 5.2 Materials, process, appearance
Performance index
Not less than Grade 2
Not less than Grade 2
The paint film shall be free of cracks, bubbling, and shedding, and slight discoloration is allowed. 5.2.1 The moisture content of wood shall be determined by a wood moisture meter with a measurement accuracy error of no more than ±1.5%. 5.2.2 The inspection of tree species, material, process, and appearance shall be carried out by visual inspection and relevant measuring instruments. 5.3 Mechanical properties
5.3.1 Strength test shall be carried out in accordance with the provisions of Table 1, Table 2 and Table 3 of GB10357.5. 5.3.2 Stability test shall be carried out in accordance with the provisions of GB10357.4. 5.4 Physical and chemical properties of paint film
5.4.1 Adhesion shall be carried out in accordance with the provisions of GB4893.4. 5.4.2 Resistance to temperature difference shall be carried out in accordance with the provisions of GB4893.7. 5.4.3 Abrasion resistance shall be carried out in accordance with the provisions of GB4893.8. 6 Inspection rules
6.1 Factory inspection
Each batch of products shall be inspected piece by piece by the factory quality inspection department in accordance with 4.1, 4.2, 4.3, 4.4 and 4.5 before leaving the factory. Products that meet this standard are qualified products, those that do not meet this standard shall be repaired, and those that are still unqualified after repair are unqualified products. 6.2 Type inspection
Type inspection should be carried out in any of the following situations: 6.2.1
New product finalization and identification;
When production is resumed after a long period of suspension;
When changes to the design, main raw materials, or key processes may affect product performance; When the technical inspection department believes that the quality is unstable or there are other special needs. d.
6.2.2 Type inspection shall be carried out by randomly selecting 5% of the samples from a batch of products that have passed the factory inspection, and there shall be no less than 2 pieces. 6.2.3 The inspection items include all the contents specified in Chapter 4. 6.2.4 When all the samples meet the requirements of this standard, the batch of products is judged to be qualified. If one sample is unqualified, it shall be re-tested with double the sample. If there are still unqualified products after the re-test, the batch of products is judged to be unqualified. 7 Marking, packaging, transportation, storage
GB/T14533-93
7.1 Products should have enterprise markings when leaving the factory, including factory name, address, trademark, model, inspection stamp, and factory (production) date. 7.2 During transportation, products should be padded or packaged to prevent collision and damage. Loading and unloading should be handled with care and should not be exposed to the sun or rain. 7.3 Products should be stored in ventilated, dry, and clean warehouses and should not be subjected to pressure or moisture. Additional notes:
This standard was proposed by the Ministry of Light Industry and the Ministry of Culture of the People's Republic of China. This standard is under the jurisdiction of the National Furniture Standardization Center. This standard was drafted by the Beijing Library. The main drafter of this standard is Chen Xuan.
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