Some standard content:
National Standard of the People's Republic of China
1 Subject content and scope of application
Sewing machine packing
GB/T 16469--1996
This standard specifies the packaging classification, technical requirements, test methods, inspection rules and marking, transportation and storage of sewing machine heads, table tops, frames and motors.
This standard applies to sewing machine packaging with double corrugated paper boxes (hereinafter referred to as cartons) as the outer packaging. 2 Reference standards
Packaging storage and transportation pictorial marking
GB 462
Determination of moisture content of paper and paperboard
GB2679.7Determination of puncture strength of paperboardGB 2828
GB 2829
GB 4456
Batch inspection counting sampling procedure and sampling table (applicable to inspection of continuous batches) Periodic inspection counting sampling procedure and sampling table (applicable to inspection of production process stability) Polyethylene blown film for packaging
GB/T 4857.3
GB/T 4857. 4
GB/T 4857.5
GB/T 4857.7
GB 6388
GB6543
GB6544
GB6545
GB6546
GB 6547
GB6548
GB8166
GB12023
Transport packaging
Transport packaging
Static load stacking test method
Pressure test method
Drop test method
Transport packaging
Transport packaging
Sine fixed frequency vibration test method
Transport packaging delivery and receipt mark
Corrugated box
Corrugated board
Corrugated board
Corrugated board
Corrugated board
Matched corrugated board
Determination method of bursting strength
Edge compression strength Determination method of
Determination method of thickness
Determination method of adhesive strength
Design method of cushioning packaging
Plastic strapping
Neutral packaging paper
Neutral paraffin paper
Vapor phase anti-rust paper
ZBY32014 kraft paper
Polystyrene foam plastic packaging material
Approved by the State Bureau of Technical Supervision on July 9, 1996 and implemented on January 1, 1997www.bzxz.net
Packaging classification
GB/T16469
Packaging is divided into two levels according to the characteristics, precision, packaging technical requirements, transportation distance, storage period and user objects of the packaging.
Grade A: The outer packaging adopts a double corrugated carton of type ·, and the inner packaging accessories and cushioning parts should have good shock and breakage resistance, and the storage period is not less than years.
Grade B: The outer packaging adopts Class II double corrugated paper boxes, and the inner packaging accessories and buffer parts should have good shock and breakage resistance, and the storage period is not less than six months.
4 Technical requirements
4.1 Packaging preparation
4.1.1 Packaging environment
Packaging should be carried out in a clean and non-corrosive indoor environment, with a relative humidity of no more than 80%. 4.1.2 Product preparation
4.1.2.1 The product should have a certificate of conformity, random accessories, spare parts and documents before packaging. 4.1.2.2 Before packaging the product, dust removal must be done, and anti-rust oil should be applied to rust-prone parts. 4.1.2.3 The cartons, pads, plastic film bags, accessory boxes, etc. used for product packaging should be dry and free of damage. 4.1.2.4 Accessories and spare parts should be wrapped separately and packed in plastic bags or cartons as needed. 4.1.3 Packaging materials
Corrugated cardboard should comply with the provisions of GB6544. Physical and mechanical properties should comply with the provisions of Table 1, Table 1
Technical indicators
Product weight
10 above ~ 20
20 above ~ 30
30 above ~ 45
15 above ~ 60
Burst strength
Edge pressure strength
4.1.3.2 Padding (edge protection, lining, sheath, cover, tray, etc.) Puncture strength
Moisture content
Cardboard thickness
The pad used to protect the product should be structurally designed according to the buffer design method specified in GB8166. The materials are corrugated cardboard and polystyrene foam plastics or equivalent buffer materials, and the quality requirements are as follows: a. Corrugated cardboard should comply with the provisions of GB6544. b. The physical and mechanical properties of polystyrene foam plastics should comply with the provisions of SG233. 4.1.3.3 Sealing tape
Sealing tape should be made of kraft paper tape or pressed adhesive tape with a weight of not less than 65g/m. The width of the tape should be not less than 60mm. The length is determined by the length of the carton plus the sum of the lengths of both ends.
4.1.3.4 Box nails
4.1.3.4.1 Box nails are made of galvanized low-carbon flat steel wire, and their specifications should comply with the following provisions: 152
Nail nails for nailing are 16 to 18;
b. The box nails for sealing are 35×9 type.
GB/T 16469—1996
4.1.3.4.2 The surface color of the box nails should be uniform, and there should be no defects such as rust, peeling, cracking and unplated. 4.1.3.5 Adhesive
Corn starch adhesive or adhesive with the same adhesive effect should be used, and caustic soda adhesive should not be used. 4.1.3.6 Packing tape
Packaging tape should be made of polypropylene (PP) or polyethylene (PE), with a width of not less than 13.5mm and a thickness of not less than 0.7mm. Its physical and mechanical properties should comply with the provisions of GB12023.
4.1.3.7 Plastic film bags
The physical and mechanical properties of plastic film bags should comply with the requirements of first-class products specified in GB4456. 4.1.3.8 Packaging paper
4.1.3.8.1 For packaging paper for general products, the weight of No. 2 kraft paper or neutral packaging paper shall be no less than 60g/m2, and shall comply with the provisions of ZBY32014 and QB601.
4.1.3.8.2 For packaging paper for products and parts with anti-rust requirements, the weight of vapor phase anti-rust paper or neutral paraffin paper shall be no less than 60g/m2, and shall comply with the provisions of QB868 and QB693. 4.1.4 Carton size and appearance
4.1.4.1 Carton size shall comply with the requirements of the drawings, and other requirements shall comply with the provisions of GB6543. 4.1.4.2 Double rows of nails shall be used for nailing of cartons, and the angle between the nails and the edge of the carton shall be 45°. There shall be no overlapping nails, bent nails, warped nails, etc. 4.1.4.3 The carton type should be selected according to the packaging needs: a.
02 slotted carton (see Figure 1);
03 nested carton (see Figure 2).
4.1.4.4 Dimensions and specifications
4.1.4.4.1 According to the shape and weight of the product inside, the internal and external dimensions of the carton should be designed comprehensively and expressed as length (1), width (B), and height (H1), see Figures 1 and 2.
4.1.4.4.2 The ratio of the length, width, and height of the carton is recommended to be selected according to the following requirements: a. The ratio of length to width should not exceed 2.5:1;
b. The ratio of height to width should not exceed F2:1 and should not be less than 0.15:1. 4.1.4.5 The text, patterns, and logos on the surface of the carton should be clear and complete, correctly positioned, and consistent in color. 4.7.4.6 The carton should not be debonded or exposed. 4.1.5 The carton pressure resistance P should not be less than the value calculated by the following formula: 153
Wherein: P——-Carton pressure resistance, N;
K——Compression resistance insurance coefficient;
GB/T16469
P=KGl-h.
G——The mass of the goods in the carton, kg;H——The maximum height allowed for stacking in the storage warehouse, m: h-—Carton height, m.
Note: The compression resistance insurance coefficient K in the formula should be selected according to the carton grade: Grade A-2.5; Grade B-2. 4.2 Packaging requirements
4.2.1 Product packaging should follow the procedure to put product accessories, spare parts, cushions, plastic film bags, packing lists, certificates of conformity, instructions, installation drawings and other documents into the box in sequence, and no missing or wrong packaging is allowed. One machine head is packed in each box, and other parts are packed in one piece, multiple pieces or combination as needed. 4.2.2 Packing requirements
4.2.2.1 The products should be packed firmly and tightly, and all accessories should be correctly placed in the specified position and should not be loose. 4.2.2.2 Packing
Gluing: The adhesive should be applied evenly and in an appropriate amount, and too much adhesive should not overflow inside or outside the box. The flap should be firmly glued and should not be lifted; a.
b. Nailing: The nails of the box should be nailed through and firmly, without any defects such as empty nails and bent nails. 4.2.2.3 Sealing
Use pressure-sensitive tape or other similar adhesive tape to seal the box. The adhesion should be firm. The joints of the flap seal should be flat and not warped. The two ends of the tape should be at least 60mm longer than the carton.
4.2.2.4 Bundling
4.2.2.4.1 After sealing the box, use plastic strapping tape to tighten it according to the bundling pattern specified in the packaging process. When bundling, each strapping tape should be in the correct position and have equal spacing.
4.2.2.4.2 The tightness of the package should be appropriate. It should not be loose or cut into the carton. The vertical distance between the strapping tape and the box surface measured by the strapping pull-out test method should not exceed 35mm. 4.3 Requirements for packages
4.3.1 When stacking, the packages should be stacked according to the marking requirements. 4.3.2 Stacking performance
4.3.2.1 The stacking height of packages shall not exceed 3.5m. 4.3.2.2 After the stacking test, the cartons of the packages shall not have obvious deformation and damage. 4.3.3 Drop performance
4.3.3.1 The drop height shall be selected according to the gross weight of the packages in accordance with the provisions of Table 2. 4.3.3.2 After the drop test of the parallelepiped package marked with "not invertible" in accordance with the provisions of Table 2, the cartons shall not have obvious deformation and damage, and the parts in the box shall not leak out. The appearance and performance of the product shall comply with the provisions of the relevant standards. Table 2
Gross weight of package, kg
Height of drop, mm
4.3.4 Vibration performance
Above 10～20
Above 20～30
Above 30～40
Above 40～50
Above 50
After the package is subjected to a continuous vibration test for 15 minutes at the vibration frequency and acceleration specified in GB/T4857.7, the carton should not have obvious deformation and damage, and the product appearance and performance should comply with the provisions of the relevant standards. 5 Test method
5.1 Dimension inspection
When the dimensional tolerance of the carton and its auxiliary parts is less than 0.5mm, a vernier caliper should be used for measurement. When the tolerance is greater than 10.5mm, a steel 154
rule or tape measure can be used for measurement.
GB/T 16469—1996
When measuring the carton, first open the carton to form it so that the angle between the adjacent surfaces is 90°, and then measure the distance between the long and wide surfaces outside the overlapped edges as specified in the drawing! At the same time, measure the distance between the bottom of the box and the folding line of the small building. The height of the box is 115.2 Appearance quality inspection
Measure by hand and in natural light.
5.3 Test of physical and mechanical properties of corrugated cardboard
5.3.1 Burst strength: in accordance with GB6545. 5.3.2 Edge compression strength: in accordance with GB6546. 5.3.3 Puncture strength: in accordance with GB2679.7. 5.3.4 Adhesion strength: in accordance with GB6548. 5.3.5 Moisture content: in accordance with GB462. 5.3.6 Cardboard thickness: in accordance with GB6547. 5.4 The physical and mechanical properties test of polystyrene foam pad shall be carried out in accordance with the provisions of SG233.
5.5 The physical and mechanical properties test of strapping tape
shall be carried out in accordance with the provisions of GB12023.
5.6 The physical properties test of polyethylene blown film shall be carried out in accordance with the provisions of GB4456.
5.7 The compression test of carton
shall be carried out in accordance with the provisions of GB/T4857.4, and the test load shall be calculated according to the formula specified in Article 4.1.5. 5.8 Strapping pull-out test
At 200mm from the edge of the box along the strapping direction of the strapping tape (if the length of the strapping surface of the box is less than 400mm, take - part of the length), use a spring scale (secondary) to hook the strapping tape for a pull-out test. The direction of the force should be perpendicular to the box surface. When the pulling force is not less than 19.6N, use a steel ruler (accuracy 0.5mm) to measure the distance from the strapping tape to the box surface. 5.9 Stacking test
Perform according to GB/T4857.3 or direct stacking test method, the test load is calculated according to the formula specified in Article 4.1.5. The test time is 24h. If direct stacking test is used, it is also necessary to check that the height difference of the package after the test is not less than 1cm/m. 5.1G drop test
Perform according to GB/T4857.5, the package placement surface is 3, the drop height is as specified in Table 2, and it drops continuously for 6 times. 5.11 Vibration test
Perform according to GB/T4857.7 or perform transport vibration test on a car, use no less than three boxes of packages, place them on the car according to the packaging mark, and drive 200km on the ground of a =-level highway at a speed of 25-10km/h. At the same time, the packages should be prevented from jumping freely or colliding on the car.
6 Inspection rules
6.1 Products must be packaged in accordance with the requirements of this standard and can only be packaged and shipped after being inspected and qualified by the inspection department. 6.2 The consignee has the right to conduct inspections according to the factory inspection items specified in this standard within the acceptance period specified in the order contract. 6.3 Classification of non-conformities
Non-conformities are divided into two categories, B and C, according to quality characteristics (see Table 3). 6.4 Inspection classification
Packaging inspection is divided into factory inspection and type inspection. 6.4.1 Factory inspection
Factory inspection must be carried out for each batch of packaging delivered. 155
GB/T 16469-1996
6.4.1.1 Samples should be randomly selected from the inspection batch submitted. 6.4.1.2 Factory inspection shall be carried out in accordance with the provisions of GB2828, with IL-S-2, normal-time sampling plan, AQL: Class B-2.5, Class C 6.5.
6.4.1.3 Inspection strictness
Inspection strictness shall be in accordance with Article 4.6 of GB2828. Table 3
6. 4. 1. 4
Article number
4.1.3.3, 4.1.3.4, 4.1.3.5
4. 1. 3. 7, 4. 1. 3. 8
4. 1. 4. 3.4. 1. 4. 4
4. 1. 4. 5, 4. 1. 4. 6
Product preparation
Inspection items
Physical and mechanical properties of corrugated cardboard
Sealing materials
Strapping tape
Inner packaging materials
Carton dimensions
Carton stapling
Carton type and size specifications
Carton appearance
Carton pressure resistance
Variety and quantity of internal components
Sealing requirements
Stacking performance
Drop performance
Vibration performance
Batch inspection to determine whether it is qualified or not
The method for judging the inspection batch shall be in accordance with the provisions of Article 4.11.2a of GB2828. 6.4.1.5 Disposition after inspection
Disposition after inspection shall be in accordance with Article 4.12 of GB2828. 6.4.2 Type inspection
6.4.2.1 Sample extraction
Classification of quality characteristics
Samples shall be extracted from a batch or batches manufactured in this cycle and qualified by factory inspection. c
Classification of inspection
6.4.2.2 Type inspection shall be carried out in accordance with GB2829, taking DL=1, secondary sampling plan, RQLB-50C class=1206.4.2.3 Judgment of qualified or unqualified type inspection The method of judging qualified or unqualified type inspection shall be in accordance with Article 4.11 of GB2829. 6.4.2.4 Type inspection shall be conducted in any of the following circumstances: a. When a new product or old product is transferred to a new factory for trial production and identification; after formal production, if there are major changes in structure, materials, and processes that may affect product performance; at least once a year during normal production; when the product is resumed after a long period of suspension; when there is a significant difference between the factory inspection result and the last type inspection result; f. When the national quality supervision agency proposes a type inspection request. 7 Marking, transportation and storage
7.1 Packaging marking
7.1.1 The shipping and receiving markings of the transport packaging shall comply with the provisions of GB6388, and the following markings shall be on the packaging box: a.
Commodity classification diagram;
Product model, name, specification;
Supply number, article number:
Box size, volume;
Quantity;
Weight (net weight, gross weight):
Packing date;
Manufacturer;
Shipping station (port) and shipping unit, arrival station (port) and receiving unit. 2 Packaging storage and transportation markings shall be selected according to the characteristics of the package and the provisions of GB191. 7. 1.2
7.2 Transportation and storage
7.2.1 Packages shall be stacked according to the storage and transportation signs to avoid collision and knocking. 7.2.2 Packages shall not be transported together with corrosive items. 7.2.3 Packages shall be stored in a clean, ventilated warehouse with an ambient temperature of -5~35℃ and a relative humidity of no more than 80%, and shall not be stored together with corrosive items.
7.2.4 The storage period of the product from the date of production is one year for Class A packages and six months for Class B packages. Additional notes:
This standard was proposed by China National Packaging Corporation. This standard is under the jurisdiction of the National Technical Committee for Packaging Standardization. This standard was drafted by Shanghai Xiechang Sewing Machine Factory, Shanghai Sewing Machine Research Institute, Shanghai Packaging and Decoration Company, Shanghai Industrial Sewing Machine Factory, Shanghai Carton Factory and Shanghai Sewing Machine Factory.
The main drafters of this standard are Chen Jialian, Zhou Heming, Luo Xiaobao, Zhou Yuzhu, Yu Tierong and Wu Meifang. 157
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