JB/T 5660-1991 Packaging and marking of electrical accessories, controllers and protectors for household and similar purposes
Some standard content:
1 Subject content and scope of application
Machinery Industry Standard of the People's Republic of China
Packaging and marking of electrical accessories, controllers and protectors for household and similar purposes
JB/T566091
This standard specifies the technical requirements for the transport packaging of electrical accessories, controllers and protectors for household and similar purposes, and the corresponding test methods, inspection rules, marking content, location, etc. This standard applies to the transport packaging and marking of electrical accessories, voltage, current, temperature controllers, protectors and relays of electrical appliances for household and similar purposes.
For special, overweight, overlong or oversized products, special requirements for packaging and marking may be proposed in their professional standards. Cited standards
GB6544~6548
GB6543
GB1931
GB 4857.4
GB2828
GB2829
GB1349
GB1923
GB4173
GB5048
GB4879
GB6388
Corrugated board and its determination method
Corrugated paperboard
Determination of puncture strength of board
Wood Method for determination of moisture content
Basic environmental test procedures for electrical and electronic productsTest Ca: Steady humidity and heat test methodBasic test for transport packaging
Basic test for transport packaging
Basic test for transport packaging
Basic test for transport packaging
Basic test for transport packaging
Temperature and humidity conditioning treatment
Stacking test method
Pressure test method
Sinusoidal vibration (fixed frequency) test method
Vertical impact drop test method
Batch-by-batch inspectionCount sampling procedure and sampling tablePeriodic inspectionCount sampling procedure and sampling tableConiferous wood plywood
Broad-leaved wood plywood
Hard fiberboard
Particleboard
Plastic strapping
Steel strap for packaging
Moisture-proof packaging
Rust-proof packaging
Transport packaging Shipping and Receiving Marks
Packaging Storage and Transportation Pictorial Marks
Paper and Paperboard Determination Method
3 Basic Requirements for Product Packaging
Approved by the Ministry of Machinery and Electronics Industry on June 16, 1992 and implemented on December 1, 1992
3.1 Products can only be packaged after they have passed the inspection, the accessories and spare parts are complete, there are instruction manuals, certificates of conformity (or product warranty certificates), and the protection and related packaging work are done well. 3.2 Packaging materials should be dry and clean and meet the standard requirements. Packaging materials that are in direct contact with the product should not have any corrosive or other harmful effects on the product.
3.3 The packaging environment should be dry, clean, and free of harmful media. Product packaging should be carried out at room temperature and in an environment with a relative humidity of no more than 85%.
3.4 Product packaging should comply with the principles of firmness, economy, and beauty. 3.5 Product packaging should adopt different packaging forms, packaging materials, and protection methods according to product characteristics and storage, transportation, and loading and unloading conditions, so that the packaging is compact, the protection is thorough, and it is safe and reliable.
3.6 From the date of shipment, the manufacturer shall ensure that the product will not rust, grow mold, reduce precision, or be damaged or lost due to poor packaging within 18 months, which will reduce the safety and performance of the product. Special circumstances shall be handled in accordance with the agreement between the supply and demand parties. 4 Technical requirements for packaging boxes
4.1 Corrugated boxes
Material requirements
The performance of the cardboard used for corrugated boxes shall comply with the provisions of Table 1. Table 1 Cardboard performance requirements
Inspection object
Inspection items
Moisture content
Burst resistance
Penetration strength
Adhesion strength
Edge compression strength
Corrugated boxes for transportation should be made of double corrugated cardboard, and the corrugated shape should use uV type as much as possible. b.
Requirements for corrugated paperboard boxes after forming
Box shape is square, four corners are upright, no overlapping corners, no leaking holes, no falling off, and the box cover is neatly aligned; Qualified requirements
10%~18%
>1373kPa
≥105kg2cm
6kg/flute·10cm
≥8330N/m
Appearance quality is uniform, the surface is not damaged, there should be no defects such as poor joints, irregular dirty marks and cracks, the box b.
The box should have a certain elasticity, and the surface should not have debonding, blistering, etc. c.
Construction The cut or folded parts of each side of the box must be right angles, and the width of the surface crack at the cut should not exceed 8mm. When nailing corrugated paper boxes, low-carbon steel flat wire (or similar) with coating should be used and there should be no rust, peeling, cracking or other defects caused by use. d.
. If the carton joints are nailed, the overlap width should be 35-50mm. The nails should be arranged neatly and the nail spacing should be uniform. The nail spacing of a single row should not be greater than 80mm, and the nail spacing of a double row should not be greater than 100mm. The distance between the head and tail nails and the edge line of the folding surface indentation should not be greater than 20mm. When nailing, the nails should be nailed through and firmly, and there should be no defects such as overlapping nails, warped nails, and no corners. f. If the corrugated paper boxes are glued, acetic acid, ethylene emulsion or other adhesives with equivalent effects can be used. The overlap width of the adhesive should not be less than 30mm, and the adhesive should be evenly applied so that the joints can still be glued when the surface paper is separated; at the same time, there should be no excess adhesive overflow.
The compression resistance of the empty box should reach the following strength without damage. 4.1.33
P=KG (H=)=2G×(35=h)×9.8(N/cm^)Sh
Wherein: P. compressive strength, N/cm\;
K-deterioration coefficient in transportation and storage, take 2G-package weight, kg;
H-maximum storage stacking height, take 350cm;Sh
h--height of the packaging box itself, cm;
S--bottom area of the packaging box, cm.
4.2 Wooden box
Material requirements
The moisture content of wooden box materials is 23%~30%;
The wood should be free of decay, mildew, water erosion, damage and whole piece of skin; the defects of the wood should not affect the strength of its structure. The quality of plywood should be selected according to the provisions of GB1349 and GB738. Fiberboard should be selected according to GB1923;
Particleboard should be selected according to LY209;
Wooden box with an outer packaging weight of more than 25kg shall not have a box board thickness of less than 12mm. 4.2.2
Requirements for nailing boxes
According to the size and material strength of the box boards, box rails, and frame structural parts, and in accordance with GB349, steel nails for nailing boxes should be used reasonably; b.
Wooden box and box rails use serrated cloth nails (see Figure 1) Box boards
Figure 1 Cloth nail pattern
Note: A, B, C, D, E, and F are nailing positions. Box rails
The nailing angle should be 90° to the board surface. After nailing, the nail head, nail tip, or bending in the middle should not be exposed. Nails should not be nailed in c.
The joints of box boards or frames; the nail tip should not deviate to the inside or outside of the box; d. Nails should be driven from thin materials to thick materials. When driving nails on wood that is easy to crack, small holes smaller than the diameter of the nails should be drilled in advance before driving: When nailing when the components overlap, more than 2/3 of the nail length should be driven into the thicker component. If the thickness of the component is more than 2 times the thickness of the board, the nail tip should be exposed for bending by more than 3mm. 4.2.3 Requirements for wooden boxes after forming
The box shape is square, the four corners are upright, there is no looseness, and the box cover is flush; a.
b No surface damage (small cracks that do not affect transportation or use after reinforcement can be ignored) Good joints, neatly arranged nails, uniform nail spacing, no protruding nail tips, nail heads or warped nails, etc.; The box is clean and dry, without any dirt marks.
4.2.4 The material, forming, nailing and other related requirements of other types of packaging boxes should comply with the corresponding standards. 5 Packing requirements
5.1 Product placement and packaging
a.When placing the product, the center of gravity should be centered and lowered as much as possible to increase stability. Products with a higher center of gravity should be placed horizontally. Products with a more obvious center of gravity deviation from the center should take corresponding balancing measures; b. The product or inner packaging box should be padded, clamped, and fixed in the outer packaging box. The product should not shift or loosen in the packaging box; the fixing methods include plugging with shockproof materials, positioning and tightening with wooden blocks, and tightening with bolts. The shockproof cushioning material together with the bottom plate of the box shall not be less than 10mm; c. Without affecting the accuracy, the movable parts on the product should be moved to the position where the product has the smallest external dimensions and fixed. The protruding parts on the product should be removed as much as possible, marked and packaged separately according to their characteristics, and fixed in the same box. d. The total weight of the carton packaging shall not exceed 25kg, and the total weight of the wooden box packaging shall not exceed 40kg. (Special circumstances shall be agreed upon by both the supply and demand parties). 5.2 Reinforcement of packaging boxes
5.2.1 Corrugated paper boxes
Corrugated paper boxes should be sealed only after they are full. After sealing, the flaps should be flat and free of bumps; a.
When packaging, the interfaces of the inner and outer flaps should be sealed with pressure-sensitive tape or strong kraft paper. The width of the pressure-sensitive tape should not be less than 60mm, and the width of the kraft paper should not be less than 70mm. b.
The marks and writings on the box surface should not be covered. If nails are used to seal, the distance between the nails should not be greater than 70mm, and the nails should be nailed through and firmly.
c. Packing with plastic strapping tape: Strap in parallel at 510cm from the edge of the box, and select the number of strapping tapes according to the product weight and box size; if the box side length exceeds 30cm, there shall be no less than 2 strapping tapes in the same direction, and they shall generally be tied in a shape of even or parallel; d. The materials, specifications and technical requirements of strapping tapes shall comply with the provisions of SG234; e. Packages strapped with plastic strapping tapes shall be subjected to the strapping tensile test in Article 7.2. After the test, the plastic strapping tape shall not be loose, and the package joint shall not be loose.
5.2.2 Wooden boxes
a. Wooden boxes shall be reinforced with appropriate box guards and strapping steel belts according to the product weight and box size. For each wooden box, there shall generally be no less than 2 strapping steel belts in the same direction, and their width shall not be less than 15mm. There are no less than 2 bundling directions. Try to use a baler to tightly bundle the wooden box so that it cuts into the wood at the corners of the wooden box.
b. The strapping steel belt should comply with the provisions of GB4173. When reinforcing the wooden box, edge-wrapped steel belts or edge-wrapped angle irons should be used at the joints of the box rails, as shown in Figure 2. c.
Edge-wrapped angle irons
Figure 2 Reinforcement of this box
5.3 The packing requirements and reinforcement of other types of packaging boxes should comply with the relevant standards. 6 Basic requirements for product packaging protection
6.1 Moisture-proof requirements
6.1.1 Products that need to be moisture-proof should be packaged according to the grade regulations of GB5048. Edged steel strip
8. When corrugated paper boxes are used for outer packaging, moisture-proof coatings such as varnish and white wax should be applied to the outer surface of the paper boxes (except for paper sheets that have been treated for moisture-proof and wood pulp kraft paperboard). Moisture-proof pads should be selected in the box according to the characteristics of the product. When sealing the box, pressure-sensitive tape or strong kraft paper should be used to seal the joints of the upper and lower openings and the seams at both ends: b.: When wooden box ears are used for outer packaging, if there is no moisture-proof packaging in the inner packaging, the top of the box should be covered with linoleum felt, asphalt paper, wax paper or equivalent moisture-proof materials Packaging,
C·The selection, dosage and treatment of moisture-proof materials and desiccants in the package shall be considered according to the product characteristics, storage and transportation conditions, packaging methods and packaging expiration date, and shall comply with the relevant provisions of Appendix A of GB5048;d. For products coated with coatings, measures shall be taken to prevent them from direct contact with the paint layer when they are covered or wrapped with polyvinyl fluoride plastic film;e. When there is no moisture-proof measure on the outer packaging and the sawdust and paper scraps themselves are not dried, sawdust and paper scraps shall not be used as product cushions. 6.1.2 After the moisture-proof package is subjected to the damp heat test in Article 7.3, the product appearance quality and related performance shall meet the requirements specified in the product standard, and there shall be no condensation in the box.
6.2 Anti-rust requirements
6.2.1 For metal surfaces prone to rust on the product, dirt and oil stains shall be removed according to the requirements of GB4879 C level, with an anti-rust period of 1 to 2 years, and then cleaned, sealed and packaged.
6.2.2 Anti-rust materials should meet the following requirements: a. Have good adhesion and anti-rust ability to metal surfaces, be easy to remove, and be as thin and transparent as possible; anti-rust materials should be neutral and non-corrosive, such as neutral anti-rust paper, anti-rust grease, etc. b.
6.2.3 After the damp heat test in Article 7.3, the appearance of products with anti-rust packaging shall not have condensation, mildew, or rust, and the relevant technical performance shall meet the corresponding standards.
6.3 Shockproof requirements
6.3.1 Products should have shockproof packaging. For packages with inner and outer packaging, corresponding packaging measures should also be taken between the inner and outer packaging (see Article 5.1 of this standard).
6.3.2 The shockproof materials and fillers must be soft, not easy to be infested with insects, mold, fatigue deformation, and non-corrosive. Commonly used shockproof materials include: dry wood wool, dry paper scraps, sponge, rubber, corrugated cardboard, polystyrene, polyethylene foam plastic, high foam polyurethane plastic, metal springs, etc.
6.3.3 Paper that has been exposed to the sun shall not be used as shockproof cushions. 6.3.4
After the compression and shockproof test in Article 7.4, the packaging shall meet the following requirements: the packaging box shall not be obviously damaged or deformed, and the product in the box and the inner packaging shall not be obviously displaced; the product surface and parts shall not be mechanically damaged, loose, or falling off; the electrical safety and other technical performance and accuracy of the product shall meet the requirements of the product standard. 7 Test method
7.1 For the relevant requirements of Article 4.1 of this standard, except for 4.1.1, 4.1.3 and a in Article 4.2.1, and d and e in Article 4.2.1, appropriate measuring tools and visual inspection can be used for inspection. 7.2 Strapping strapping tensile test
Apply upward pulling force to the plastic strapping tape in the length and width directions of the package placed on the ground (the force application direction is shown in Figure 3). Starting from rest, lift the package 1m off the ground within 3s, then place it back on the ground after staying in the air for 5min, and inspect it according to the requirements of 5.2.1 e. A
Figure 3 Strapping strapping tensile test force application points
JD/IJOOU
Note: ①A and B are the force application points in the length direction; C and D are the force application points in the width direction; ②In addition to this legend, apply force in the length and width directions according to the original packaging strapping situation. 7.3 Wet heat test
Perform in accordance with GB2423.3. Test duration: 2 days for corrugated boxes and 4 days for wooden boxes. After the test, unpack and inspect the product after 2 hours of recovery at room temperature.
7.4 Compression and shock test
7.4.1 Compression test
7.4.1.1 Compression test for empty boxes: Perform in accordance with GB4857.4, Section 3.5.1, “Plane pressure test”. The empty boxes are not subjected to temperature and humidity adjustment. The pressure load is determined in accordance with Section 4.1.3 (1). 7.4.1.2 Compression test for packages: It can be performed by direct stacking test or pressure test. The height h (m) of the packages must be recorded before and after the test. The packages in direct stacking test are not subjected to temperature and humidity adjustment. The test is performed in accordance with GB4857.3. The test duration is 7 days. a.
b. The package to be tested for pressure should be treated with temperature and humidity adjustment first (placed at room temperature of 20±2℃ and relative humidity of 60%~70% for 48h, and then restored at room temperature for 24h) before the pressure test. The test time is 2d for cartons and 4d for wooden boxes. When conducting the compression test, the stress-bearing surface of the box is the "2" surface. The total load formula for direct stacking and pressure application is as follows: =2G (3.5-h) ×9.8(N)..
(H一h)
Where: F is the total load of stacking or pressure application, N; K-deterioration coefficient during transportation and storage, take 2; G-weight of package, kg;
H-maximum stacking height allowed for storage, 3.5m; h-height of the package itself, m.
After the direct stacking test, the height difference of the package before and after the test should be less than 1cm/m, and then inspected according to Article 6.3.4. After the pressure test, the height difference of the package before and after the test should be less than 1.5cm/m, and then inspected according to Article 6.3.4. 7.4.2 Vibration test
According to the provisions of GB4857.7, the horizontal vibration test is carried out first and then the vertical vibration test. The vibration frequency is 3~4Hz, and the acceleration is 0.5±0.1g, see Table 2. Table 2 Selection of vibration time
Transportation distance
Transportation time within 1h
Transportation time less than 3hwwW.bzxz.Net
Within 1000~1500
Within 3000~4500
More than 1500
More than 4500
Vibration time
Normal transportation conditions
Bad transportation conditions
Note: ①Normal transportation conditions: The transportation road is relatively flat, the environment and climate are normal, the loading and unloading conditions are good or average, and the number of operations on the way is small. (2)
②Bad transportation conditions: The transportation road is uneven, the environment and climate change greatly, the loading and unloading conditions are poor, and there is a possibility of rough loading and unloading operations, and the number of transfers on the way is large.
After vibration, inspect according to Article 6.3.4.
7.4.3 Free drop test
Perform according to the provisions of GB4857.5.
Turn the 3rd, 2nd, 5th, 4th, 6th and 1st sides of the package downwards in sequence, and suddenly release them from a static state as specified in Table 3 to perform a face drop test, with each side falling once.
Weight of package P
P≤25
25
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