Some standard content:
National Standard of the People's Republic of China
Packing containers
Packing containers-Cases with plybarnboo Subject content and scope of application
GB13144:91
This standard specifies the types and classification, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of bamboo plywood boxes. This standard applies to bamboo plywood packaging boxes for transportation. 2 Reference standards
GB 5780 Hexagonal bolts, grade
GB411 Hexagonal nuts, grade C
5 Washer, grade C
Hexagonal screws
(iB153. Species, sizes and tolerances of coniferous sawn timber GB155.1
Classification of defects in coniferous wood
GB 155. 3
Coniferous wood defects inspection
GB 700
GB2828
GB 4173
General purpose round steel
Technical conditions for ordinary carbon structural steel
Studs (L11)
Equal length studs Grade C
Batch inspection sampling procedure and sampling table by count (applicable to inspection of continuous batches) Packaging steel strips
GB 4817.1
GB 4823. 1
01 1823.3
CR 4857. 4
GR 4857. 5
CR4892
GB5398
GB7284
GB7285
Gl 13041
GB13123
3 Terms
Species, dimensions and tolerances of broad-leaved lumber
Classification of defects in broad-leaved lumber
Basic inspection and measurement methods for defects in broad-leaved lumber
Transport packaging test methods Basic tests for transport packaging Vertical impact drop test force method Hard blood cube transport packaging design series
Human-shaped transport packaging test methods. Go
Coconut wood box
Wooden packaging container technology
Packing container: Magnesium concrete box
Bamboo plywood
3.1 Bamboo plywood box: a packaging box made of bamboo plywood and wood or steel. wm. Free download of customer standard industry information GB 1314 4— 91
Bamboo-wooden box: the box block or frame is made of wood, and the ends, sides, top plate and bottom plate are made of bamboo plywood. Bamboo-steel box: the base frame is a shaped structure (or a mixed structure of steel and wood), and the ends, sides, top plate and bottom plate are made of bamboo plywood. 3.3
Bamboo-magnesium concrete box: the base, top cover and frame are made of magnesia concrete components, and the ends and side plates are made of bamboo plywood. 3.5 Box block box: the end surface, side surface, top cover and bottom surface of the box are all made of box blocks and bamboo plywood. 3.6 Sliding wood box block box: the bottom surface of the box is made of sliding wood. 3.7
Frame box: the entire frame is a welded steel component, and the cladding is made of bamboo plywood. Inner frame box: the frame tree components are on the inside of the box board. Outer frame box: the frame components are on the outside of the box board. Types and classification
4.1 Types
4.1.1 According to the materials, they are divided into two categories:
Class 1 box - bamboo box
Class 2 box - bamboo box
Class 3 box - bamboo box
4.1.2 According to their structure, they are divided into several types as shown in Table 1 and Figures 1 to 3. Table "Types of bamboo pallet boxes
】Type A
Type IB
Type IB
Type C
Structural features
Slides, boxes
Outer frame
Inner handle frame
Outer frame
Sea rust light cabinet frame
Applicable to boxes with an internal mass of less than 200 kgApplicable to boxes with an internal mass of less than kApplicable to boxes with an internal mass of less than 400-10 000 kgApplicable to boxes with an internal mass of less than 500 kgApplicable to boxes with an internal mass of more than 10 000 kg or less than 10 000 kg, but the base needs to be used in rotationApplicable to boxes with an internal mass of less than 10 000kg or less, the packaging box for domestic products is: [-A type single mid-range box (see figure "-Aa,] used for the internal mass of 5k or less.al single mid-range box
IC type box
GB 13144: 97
【-A type box
IH type box
Figure】1 type box
Ugly: Double mid-range box
1-D type box
W.4.2 Classification
Heart-shaped box
GB13144-91
Figure Type box
H The protection requirements and uses of the contents are divided into three levels, as shown in Table 2. Table 2 Classification of bamboo plastic pallet boxes
ID plastic hoop
Applicable range
Mainly used for export products and packaging boxes with high protection requirements for internal products Semi-mainly used for 1 Domestic products with protection requirements and packaging boxes for accessories of export products in the box For packaging boxes with low protection requirements for the contents Note: ①A and B type boxes are divided into one, two and three levels
W.4.3 Size
GB 13144
The length and width of bamboo plywood boxes shall comply with the provisions of GB4892. When the box length is greater than 1200mm and the box width is greater than 1000mm, its dimensions shall comply with the requirements of the loading dimensions of the means of transport. 4.4 The structural dimensions, component selection and assembly methods of bamboo plywood boxes are shown in Appendix A, Appendix B and Appendix C (reference). 5 Technical requirements
5.1 Materials
5.1.1 Bamboo plywood
5.1.1.1 The bamboo plywood used must comply with the provisions of GB13123. 5.1.1.2 The bamboo plywood used for boxes of all levels shall comply with the provisions of Table 3. Table 3 Requirements for bamboo plywood used for boxes of all levels
5.1.2 Wood
Bamboo plywood
Use Class I bamboo plywood of second grade or above, or Class II bamboo plywood of first grade and apply a protective layer on its outer surface for use 1 Class 1 bamboo plywood is used for second-grade products and above
5.1.2.1 The main load-bearing components are generally made of larch, pine, fir, and elm. Wood with the same or greater strength can also be used. Other components can be appropriately selected from other woods under the premise of ensuring strength. 5.1.2.2 The moisture content of wood is generally not more than 20%, but the moisture content of slides, auxiliary slides, external components of packaging boxes and materials for third-grade boxes can be less than 25%.
5.1.2.3 The allowable defect limits of technical materials are specified in Table 4. .Defect name
GB 13144— 91
Table 4 Allowable defect limits for wood
Allowed defects for wood
Main load-bearing structures such as box blocks, runners, sleepers, beams, and frame members
Not allowed
Other components
Not allowed
Does not affect the overall strength, the largest cross-sectional area of the decayed part is not greater than 20% of the cross-sectional area of the material, and is not continuous in the length direction. In any 1 m length of wood, the number of worm holes shall not exceed 4 (except for those that have been repaired). Worm holes with a diameter of less than 3 mm are not counted
In any 1 m length of wood, the number of knots shall not exceed 5, and the maximum knot diameter shall not exceed 20% of the wood width (dead knots must be repaired), and knots with a diameter of less than 5 mm are not counted. There shall be no dead knots in the main stress-bearing parts of the sliding plate. The crack length shall not exceed 20% of the material length (the width is less than 10 mm). The number of wormholes shall not exceed 10 (except for repaired blood holes) in any material length of 1m. The number of wormholes with a diameter of less than 3mm shall not be counted. The number of wormholes in any material length of 20mm shall not exceed 5. The maximum live knot diameter shall not exceed 40% of the board weight. The maximum dead knot diameter shall not exceed 25% of the board width (dead knots must be repaired). Diameter, less than mm The maximum diameter of the live joint shall not exceed 40% of the plate width, the maximum diameter of the dead joint shall not exceed 30% of the plate width. The effective length shall not exceed 20% of the material length (the crack width less than 3mm shall not be counted). The crack width of the most serious part of the blunt correction shall not exceed 30% of the material width, and the height shall not exceed one-third of the material thickness. The longitudinal bend and transverse bend shall not exceed 1%.The warping shall not exceed 2%. The inclination of the diagonal grain on the wide material surface shall not exceed 20%. The length of the crack shall not exceed 0% of the material length (cracks less than mm in width are not counted>
The width of the notch in the most serious part of the blunt gauge shall not exceed 40% of the material width, and the height shall not exceed 50% of the material thickness
The width of the notch in the most serious part of the blunt gauge shall not exceed 15% of the material width, and the height shall not exceed 50% of the material thickness
The longitudinal and transverse bends shall not exceed 2%, and the warping shall not exceed 1%. The straightness is taken as the straightness
The inclination of the diagonal grain on the wide material surface shall not exceed 20%. The inclination of the diagonal grain on the wide material surface shall not exceed 30%.
Note: (i) The interpretation and calculation methods of various defects in wood are in accordance with GB155, and GB1823,1. ②) The blunt die surface must be within.
5.1.2.4 Timber dimensions and tolerances shall comply with the provisions of GB 153.1 and GH 4817.1. 5.1.3 Steel
1 Steel used in box shall comply with the provisions of GB700. 5.1.4 Magnesium concrete components
Magnesium concrete components of Class II boxes shall comply with the requirements of GB13041. 5.1.5 Metal parts
5.1.5.1 Nails shall comply with the provisions of GB349. Glued nails, barbed nails, pallet nails, nails for automatic nailing machines and U-shaped nails may also be used. 5.1.5.2 Hexagonal wood nails shall comply with the provisions of GB102. 5.1.5.3 Bolts shall comply with the provisions of B 5780, GB 953 and GB 897. 5.1.5.4 Nuts shall comply with the provisions of GB 41. GE 13144-91
The thickness shall not be less than 0.3 mm; the width of the steel strip with a mass of more than 50 kg shall not be less than 15 mm, and the thickness shall not be less than 0.4 mm. 5.1.5.7 The shapes of the edge guard iron, angle guard iron, sliding wood protection iron, lifting protection iron and iron ventilation hood are shown in Figure 4. Other fasteners and reinforcement components may also be used as needed. Edge guard iron
Lifting protection iron
5.2 Bamboo plywood box
Figure 4 Metal parts
5.2.1 Manufactured in accordance with the design drawings and technical documents approved by the prescribed procedures. Submerged wood protection iron
Iron ventilation hood
5.2.2 The gap between the box and the frame components shall not be greater than 3mm, and shall not be greater than 5mm after the test. The welds of the steel frame and steel base shall not crack after the test, and the magnesia concrete components shall not have cracks after the test. 5.2.3 The edges and adjacent faces shall be perpendicular to each other. The difference between the two diagonals of each face shall not be greater than 0.4% of the diagonal length when the long side of the face is less than 1200mm, and shall not be greater than 0.6% of the diagonal after the test; when the long side of the face is greater than 1200mm, it shall not be greater than 0.3% of the diagonal length, and shall not be greater than 0.5% after the test. 5.2.4 The difference in height between the two side slides shall not be greater than 6mm. When two or more slides form a slide group, the middle slide shall not be higher than the two side slides. 5.2.5 The bamboo plywood box panels of type A and type F boxes are not allowed to be spliced: Type 1-B boxes with a length greater than 1200 mm can be spliced, but the joints wGB 13144: -91bzxz.net
The end panels and side panels are generally butt-jointed, and the gap between the butt joints shall not be greater than 5mm. The joints shall be arranged at the columns or flats as much as possible, otherwise additional columns or additional flats shall be added.
The top panels shall be overlapped, and the overlap width shall not be less than 50mm. The overlap direction shall be conducive to drainage. The interface shall be arranged at the beams or beam supports as much as possible, otherwise additional beams or additional beam supports shall be added. The bottom panels can be butt-jointed or overlapped according to the situation. The gap between the butt joints shall not be greater than 8mm, the overlap width shall not be less than 40mm, and they shall be arranged at the hang wood or slide wood.
5.2.7 Guard irons and angle irons should be nailed on the edges and corners. When the weight of the package is greater than 3000kg, a sliding wood protection should be nailed on the lifting point. A lifting protection iron should be nailed on the contact between the lifting rope and the upper frame wood. Various metal protection parts of the first and second level boxes must be complete. 5.2. For C-type boxes and D-type boxes that need ventilation, ventilation holes (openings) should be opened above the two end surfaces of the box, and window screens and ventilation hoods should be nailed on the outer wall of the ventilation holes (openings).
5.2.9 Appearance requirements shall be in accordance with the provisions of Table 5.
Table 5 Requirements for the appearance defects of bamboo plywood boxes
Bamboo plywood defects
Color inconsistency
Depression
Surface pollution
Not allowed
Note: The external wood components of bamboo plywood boxes for export products should be planed. 6 Test methods
Not allowed
6.1 The dimensions of bamboo plywood boxes are measured with a steel tape measure or a steel ruler, and the appearance is visually inspected. 6.2 Wood defects shall be inspected in accordance with the provisions of GB155.3 and GB4823.3. Grade 3
Not allowed
Should be eliminated
Not allowed
6.3 For bamboo plywood boxes with an internal mass of no more than 200kg, the main test items are pressure test and drop test. The pressure test shall be in accordance with the provisions of GB4857.4.
The drop test shall be in accordance with the provisions of GB4857.5
6.4 Bamboo plywood boxes with a mass of more than 200 k8 shall be tested in accordance with the provisions of GB5398. 7 Inspection rules
Inspection is divided into factory inspection and type inspection.
7.1-Factory inspection
7.1.1 Inspection items
Appearance of the box, the size of the box, the height difference of the sliding wood on both sides, the gap between the box guards or the joints between the frame members, the welds of the steel members, the diagonal lines of the surface, and the use of reinforcement and protection components. 7.1.2 Sampling method and judgment rules
When batch production is delivered, random inspection shall be carried out in accordance with the method specified in GB2828. The batch (V) shall be inspected by the normal inspection-second sampling plan.
The board boxes are not qualified.
GB 13144—91
Normal inspection sampling plan The number of random inspections and the judgment values of the ear body are shown in Table 6. 1.2. 1
Table 6 Normal inspection one bundle sampling number and judgment values
Batch range
51-- 90
51-150
151-~280
281500
501~ 200
12013200
Number of samples
Number of qualified judgments (A.)
7.1.2.2 Strict inspection one bundle sampling plan The specific number of random inspections and the judgment values are shown in Table 7. Table 7
Batch range
9 ~-15
1Gi-~ 25
26--50
51--90
01~150
[5]---280
281-5(01)
501 ---1 200||tt| |1 20 3 200
7.2 Type inspection
Strict inspection - Sampling inspection number and judgment number
Type inspection should be carried out when one of the following situations occurs: Trial and determination of new products;
Qualified judgment number (A)
Unqualified judgment number ()
Unqualified judgment number (R)
After mass production, if the structure, material, and process have changed significantly, which may affect the performance of bamboo plywood boxes: Regular inspection of production, the inspection cycle is 1 year: When the inspection result is significantly different from the last type inspection; When the national quality supervision agency proposes a request for type inspection, 7.2.2
Inspection items
The technical requirements specified in this standard are type inspection items. 7.2.3 Sampling method and judgment rules
Random sampling is adopted. The sampling quantity is 3. Only one item is allowed to be unqualified. If two items are unqualified, double re-inspection is recommended. If one item is unqualified during the re-inspection, the batch of products shall be judged as unqualified.
8 Packaging, marking, transportation, storage
GB13144—91
Print the model, specification, manufacturer name, and year and month of production of the bamboo plywood box on the inner surface of the bottom plate. Products, 3 Transportation
During loading and unloading, operations must be carried out according to the specified lifting positions or holes. Diagonal lifting and lifting with boxes are strictly prohibited. Components should be covered during storage and transportation. 8.4 Storage
8.4.1 Components should be classified and stacked flatly according to model and specification. 8.4.2 The bottom of the component shall not be less than 100mm from the ground and shall not be immersed in water. 8.4.3 The storage warehouse should be kept dry and rainproof measures should be taken when stored outdoors for a short period of time.AlGeneral requirements
GB13144—91
Appendix A
IA, 1-B type box structure, dimensions and assembly method (reference)
The contents should be padded or fixed to prevent movement, A2 Box guard
Box guard cross-sectional dimensions are selected from Table A1,
Table A1 Box guard cross-sectional dimensions Small
Box guard cross-sectional dimensions Small
Mass of contents, kg
60×15
80×35
A2.2 The cross-sectional dimensions of the middle-stage box surface of the single middle-stage box (see 1Aa in Figure 1) are the same as the cross-sectional dimensions of the box guards that constitute the box surface. Grade
75×18
80×18
80×25
80×30
A2.3 The cross-section of the cross section of the double cross section box (see "-Aa2" in Figure 1) is smaller, and the thickness is at least 10 mm greater than that in Table A1, or a steel belt is used to reinforce each cross section. The distance from the cross section to the end face should not be greater than 150 mm, and the distance between the two cross sections should not be greater than 60 mm. When the width of the A24 box is greater than 400 mm, a diagonal cross section or a vertical cross section should be added to each end face, and its cross-sectional size is the same as the cross section size of the box cross section. The diagonal cross sections at both ends should be staggered, and the vertical cross sections should be set in the middle of the end face. The thickness of the A3 box board
box board is in accordance with Table A2 Selection.
Table A2 [-A type, 1-B type box bamboo plywood box board thickness content mass, kB
W.A4 Slide
GB 13144:-91
The cross-sectional dimensions of the slide of IB type box shall be determined according to Appendix C of this standard. A5 Assembly box
A5.1 The bamboo plywood and the box rails are connected with steel nails, which are arranged in two rows in a staggered manner. The distance between the nails in the same row shall not be greater than 70mm, and the nail tip shall be bent at least 15 mm and compact.
A5.2 When assembling, nail the steel nails from thin materials to thick materials. The steel nails should enter about 4/5 of the thick materials, but cannot penetrate. Depending on the situation, angle head wood screws can also be used to assemble the box.
Appendix B
The structure, dimensions and assembly method of IB type box (reference part)
1-B type box structure
The structure of IB type box is shown in Figure B1.
Top: Testing
Type energy material
B2 steel frame
IR type box structure diagram
The cross-sectional dimensions of the upper and lower ends of the body frame, side beams and columns are selected according to Table B1. Upper end beam
Lower frame
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