JB/T 7663.1-1995 Technical requirements for packaging of positive displacement compressors
Some standard content:
Mechanical Industry Standard of the People's Republic of China
JB/T7663.1-95
Positive Displacement Compressor
Published on June 16, 1995
Technical Conditions for Packaging
Implementation on July 1, 1996
Ministry of Machinery Industry of the People's Republic of China
Mechanical Industry Standard of the People's Republic of China
Positive Displacement Compressor
1 Subject Content and Scope of Application
Technical Conditions for Packaging
JB/T 7663.1-95
This standard specifies the packaging method, technical requirements, test methods, inspection regulations, etc. for the packaging of positive displacement compressors (hereinafter referred to as compressors).
This standard applies to the transport packaging of compressors. 2 Reference standards
GB1931
GB4823
GB/T 4857.1
GB/T 4857.3
GB/T 4857.5
GB5398
GB6388
GB7284
GB12626
GB13041
GB13123
GB/T 13384
JB2536
3 General
Defects of coniferous wood
Pictorial markings for packaging, storage and transportation
Petroleum asphalt paper-based felt, oiled paper
General purpose round steel nails
Method for determining moisture content of wood
Defects of eucalyptus wood
Method for marking various parts during testing of packaging for transport
Static load stacking test method
Transportation package
Drop test method for packaging for transport package||tt| |Testing methods for large transport packages
Marks for receiving and delivering transport packages
Frame wooden boxes
General technical conditions for plywood
Packaging containers
Bamboo plywood
General technical conditions for packaging of electromechanical products
Painting, packaging and transportation of pressure vessels
Technical standards for highway engineering
3.1 The packaging should be scientific, economical, beautiful, firm, and suitable for long-distance transportation and multiple loading and unloading. Special requirements shall be implemented according to the agreement between the supply and demand parties. 3.2 The packaging should ensure that the compressor will not rust or be damaged due to poor packaging within one year from the date of shipment (two years for exported compressors) under normal storage, transportation, loading and unloading conditions. 3.3 The overall dimensions and weight of the packaging box shall comply with the relevant regulations on overweight and overlimit in domestic (foreign) transportation. The packaging of products transported in containers shall comply with the requirements of containers.
3.4 The compressor must be inspected and protected before it can be packaged, and the accompanying documents should be complete. 3.5
The packaging environment should be clean, dry, and free of harmful gases. Approved by the Ministry of Machinery Industry on June 16, 1995
Implemented on July 1, 1996
4 Packaging method
JB/T 7663. 195
4.1 Compressors are generally packed in boxes, with a flat top, and a sloping top is also allowed: mobile compressors are allowed to be packed naked. 4.2 Large compressors are allowed to be disassembled and packaged separately according to their structural characteristics. 4.3 The packaging method of the auxiliary equipment of the compressor should comply with the relevant provisions of GB/T13384 and JB2536. 4.4 According to the agreement between the supply and demand parties, the compressor can be packed in bulk or other packaging methods. 5 Technical requirements
5.1 Packing
5.1.1 General requirements
5.1.1.1 The packing box shall meet the requirements of this standard and be manufactured in accordance with the packing box design drawings and technical documents approved by the prescribed procedures. 5.1.1.2 The compressor can be packed in wooden boxes or magnesia concrete boxes. The exported compressor shall be packed in wooden boxes. 5.1.2 Material requirements
5.1.2.1 Wood
The main load-bearing components of the packing box shall be made of larch, masson pine, purple spruce, white pine, wood and other wood. Other materials with similar physical and mechanical properties to the above materials may also be used. Other components shall be selected from appropriate materials according to the requirements of reasonable material use while ensuring the shear strength of the packaging.
b. The outer surface of the box board of the same packing box shall be flat, without obvious burrs and wormholes (except those that have been repaired). The allowable defects of various parts of the wood used for box making shall comply with the provisions of Table 1 in GB/T13384. The explanation and calculation methods of various defects in wood shall be in accordance with the provisions of GB155 and GB4823. d. When making boxes, the moisture content of the wood of the box board and box rails of the closed box shall not exceed 20%, and the moisture content of the slide, sleeper and frame wood shall not exceed 25%.
Note: The moisture content of this material can be measured according to the provisions of GB1931. 5.1.2.2 Plywood
Plywood used for box making shall comply with the provisions of GB9846.4, and export packaging boxes shall use Class 1 to Class Ⅱ boards. 5.1.2.3 Fiberboard
Fiberboard used for packaging shall comply with the provisions of GB12626, and fiberboard used for export packaging shall use Class 1 and Class 2 boards. 5.1.2.4 Bamboo plywood
Bamboo plywood is made of phenolic resin or other adhesives with equivalent performance. Bubbling and delamination are not allowed. There should be no obvious pollution on the surface. Its physical properties should comply with the provisions of GB13123. 5.1.2.5 Magnesium concrete
The compressive strength of magnesia concrete shall not be less than 980N/cm, and the shear strength shall not be less than 250N/cm*. a.
The allowable defects of various parts of magnesia concrete used for box making shall comply with the provisions of Table 2 in GB/T13384. b.
c Repaired magnesia concrete component boxes shall not be used. 5.1.2.6 Other materials
Packaging boxes can also be made of other materials with reliable performance proven by tests, or combined boxes made of two or more materials, but the strength of the packaging box must be guaranteed and meet the requirements of storage, transportation, loading and unloading. 5.1.3 Requirements for box making
5.1.3.1 Wooden box
The wooden box structure should be selected according to the weight of its contents and the provisions of Appendix A of GB/T13384. 5.1.3.1.1 Slide
According to: The cross-sectional dimensions of the slide shall be in accordance with the provisions of Table 4 in GB7284. The slide dimensions are allowed to be determined according to the material conditions. b. The slides should be arranged evenly as much as possible, but for the form of the bottom plate and pillow, if the compressor needs to be fixed to the slide with bolts, the position of the slide can be appropriately offset due to the position of the bolt 2
hole. JB/T 7663.1-95
c. The center spacing of the slide is generally not more than 1200mm. When a forklift is required to load and unload along the horizontal fork, the center spacing of the slide shall not be more than 1000mm (when the weight of the contents is less than 1500kg, it should not be more than 800mm). If it exceeds the limit, a slide with the same cross-section is added in the middle. d. The slide should be made of a whole piece of wood as much as possible. If the length is not enough, it should be butt-jointed according to the method shown in Figure 1 of GB/T13384. However, the butt-jointing position cannot be at the center of the length, and the butt-jointing positions of each slide should be staggered. When the width of the slide is less than 90mm, use M10 bolts for butt-jointing, and when it exceeds 90mm, use M12 bolts for butt-jointing.
e, the two ends of the slide should be made into a downward bevel angle of 55°~65° at about half the height of the slide from the bottom surface, and the end should not be exposed outside the box. f. When it is convenient to adjust the balance between the lifting point and the center of gravity of the packaging box, an auxiliary slide can be installed at the bottom of the slide. The auxiliary slide is nailed to the bottom of the slide with steel nails, and its position is determined according to the center of gravity of the compressor. When rollers are required for loading and unloading, the two ends of the auxiliary slide should be made into a 45* guide angle (see Figure 1). bZxz.net
55*~65*
When it is necessary to use a forklift to transport the goods horizontally, there should be forklift holes on the auxiliary slide, and the dimensions of each part should comply with the provisions of Figure 3 and Table 3 of GB/T13384.
5.1.3.1.2 Boxboard
Boxboard can be made of wood, plywood, fiberboard or bamboo plywood. a. The size of the wood boxboard should be selected according to the external dimensions of the packaging box and the weight of the contents. The boxboard should be laid vertically and the joints should be tight. The butt joint should be adopted.
b. The surface of plywood, fiberboard or bamboo plywood should be clean and tidy, without obvious oil stains, indentations and cracks, and the edges and corners should not have burrs or looseness. The joints should be in the center of the frame wood or beam support, and the joints should be tight. 5.1.3.1.3 Nail the box
a. When nailing wooden boxes, the nail heads and nail tips should not be exposed on the box board surface. The steel nails should not be bent in the middle or nailed in the joints of the box board and frame
b. According to the thickness of the box board and box rails, the size and material properties of the slides, sleepers and frame components, the steel nails should be selected in accordance with the provisions of GB349. Other types of steel nails can be selected as needed. c. When nailing the box, the distance between the steel nails should be reasonably determined according to the box size and the width of the box board. 5.1.3.1.4 Moisture-proof
a.The box panels and bottom panels around the packaging box should be covered with a layer of petroleum asphalt felt, and the petroleum asphalt felt used should comply with the provisions of GB326. Other waterproof materials such as oil paper, plastic film, etc. are allowed to be used according to actual conditions. b. The top cover of the packaging box should use a double-layer waterproof material structure, and the outer layer of waterproof material should extend out of the box edge by no less than 100mm, and be pressed with a pressure plate. The waterproof structure of large and medium-sized compressor packaging boxes is shown in Figure 2, and the waterproof structure of micro-small compressor packaging boxes (allowed to be stacked) is shown in Figure 3. Petroleum green felt should be used as a whole piece as much as possible; it can also be overlapped, but the overlap width should not be less than 100mm, and it should be pressed with a pressure plate C.
at the overlap. The overlapping method is: the top cover and bottom panels cover the side panels with the middle panel, and the upper panel of the surrounding box panels covers the lower panel. Oil frost
External plastic board
5.1.3.1.5 Ventilation
Plastic thin flag
Inner support
JB/T7663.1--95
External cover
Plastic film
Inner support
Ventilation holes should be set in the packaging box according to actual needs, and the structure of the ventilation holes should comply with the provisions of 3.2.1.4 of GB7284. 5.1.3.1.6 Reinforcement
a. After assembling the box, appropriate window measures should be taken at the joints of each component according to the size and weight of the package, such as box stops, oxidized steel strips, edge and corner guards, U-shaped nails, T-shaped irons or L-shaped irons, etc. b.
The sliding wood of large packaging boxes should be equipped with iron guards at the places where the lifting ropes pass (as shown in Figure 4). Figure 4
5.1.3.2 Magnesium concrete box
The structural type and assembly requirements of the magnesia concrete packaging box should comply with the provisions of GB13041. 5.1.3.3 Inner box space of the packaging box
The inner box space of the packaging box should ensure that the inner space of the packaging box is not less than 30mm from the inner wall after the contents are packed, and not less than 50mm from the top of the box.
5.1.3.4 Strength of the packaging box
The packaging box should have sufficient strength. According to the weight and characteristics of the package, after the test is carried out according to the test method specified in Chapter 6 of this standard, the compressor in the box should not have obvious displacement, the appearance and performance should not be damaged, the packaging box should not have obvious damage, and it should comply with the relevant requirements of this standard.
5.1.4 Packing requirements
5.1.4.1 The outer surface of the compressor should be cleaned and free of oil, rust, dust, etc. 5.1.4.2 All unpainted surfaces and exposed machined surfaces of parts should be treated with anti-rust treatment, and the anti-rust coating should be evenly coated without passive coating. 5.1.4.3 The exposed pipe openings of the compressor should be sealed to prevent dust from entering. 5.1.4.4 The rotating or movable parts of the compressor should be fixed; the protruding parts should be removed and packed together with the machine (or packed separately according to different characteristics) without affecting the accuracy or performance of the whole machine. 5.1.4.5 When packing, the compressor should be protected from magnetic exchange to avoid damaging the paint surface and anti-rust layer. 5.1.4.6 Fixed compressors should be fixed to the base of the packaging box with bolts and should not be loose. The center of gravity should be as low as possible in the middle. Mobile compressors (except vehicle-mounted compressors) should limit and clamp the wheels with modules, and take appropriate measures to fix the compressor to the base according to the actual situation to prevent movement or overturning.
JB/T7663.1-95
5.1.4.7 Anti-rust paper, plastic film, rubber sheet and other materials should be used for padding of important metal parts of the compressor, such as the working surface, where they come into contact with the base of the packaging box or the fastening wood. The padding method is shown in Figure 5. Important metal processing surfaces
Anti-casting fine plates
Anti-rust for nail clothing
Plastic film
Rubber sheet
Stone edge green pad (oil reduction)
Bottom plate (or wood
Pressure bar wooden square
Edge rubber sheet
Plastic thin plate
Sodium benzoate anti-inducing paper
Anti-rust room
Metal processing surfaces
5.1.4.8 The vulnerable parts (spare parts) and special tools of the compressor should be treated with anti-rust treatment. The precision vulnerable parts (spare parts) should be wrapped with oil paper, plastic film and other materials, and wrapped with ordinary Box packaging, wearing parts (spare parts) boxes, tool boxes and compressor pulleys, etc., should be fixed in appropriate positions in the packaging box and must not be loose.
5.1.4.9 Purchased parts (detachable) are allowed to use the original packaging and can be fixed in appropriate positions in the packaging box or packaged independently. 5.1.4.10 Before sealing the box, the outside of the compressor should generally be covered with a whole ethylene, polyurethane sieve nylon composite film, and the accumulated surface should not be cracked or oily.
5.2 Bulk
The technical requirements for the base material and slides of the compressor should comply with the provisions of Articles 5.1.2.1 and 5.1.3.1.1 of this standard. The compressor should be fastened in On the base to prevent displacement during transportation, the parts that need local protection can be partially packaged. 6 Test methods
6.1 The test method for magnesia concrete box packaging shall comply with the provisions of Chapter 5 of GB13041. 6.2 Test method for wooden box packaging
6.2.1 Test items:
Lifting test:
Stacking test:
Spraying test:
Drop test:
Highway transportation test.
Preparation before the test
Before testing the packaging box, each part should be marked and numbered. The numbering method shall comply with GB/T485 According to the provisions of 7.1, the compressor should be placed in the packaging box. Alternatively, a simulant with similar weight, center of gravity and size can be used according to the characteristics of the compressor and the purpose of the test.
The drop, stacking and lifting tests should be carried out on a flat, solid concrete floor, or on a steel plate with sufficient area and rigidity. c.
dThe test site for the spray test should be at least 50% larger than the bottom area of the packaging box, and equipped with slats and drainage holes of sufficient capacity to allow the sprayed water to be automatically discharged.
6.2.3 Test steps
6.2.3.1 Lifting test
JB/T 7663.1-9S
Packages weighing more than 500kg shall be subjected to a lifting test. The lifting test shall be carried out in accordance with the provisions of Article 3.3.3 of GB5398. After the test, the box body shall not be damaged or deformed significantly.
6.2.3.2 Stacking test
For packages weighing more than 500kg, the stacking test shall be carried out in accordance with the provisions of Article 3.3.2 of GB5398. After the test, the maximum deflection of the box top shall not be greater than 30mm, and the box wall shall not be damaged or deformed significantly: For packages weighing less than or equal to 500kg, the stacking test shall be carried out in accordance with the provisions of GB/T4857.3. After the test, the packaging box shall not be damaged or deformed significantly. 6.2.3.3 Spray test
a. For packages that need to be subjected to a lifting test, the spray test must be carried out after the lifting test. b. Place the package at the center of the test site. The distance between the spray device and the top of the box should be no less than 2000mm. Spray downward evenly and vertically at a spray rate of 100±20L/(m*·h> for 1h. e. After the spray test, clean the outside and then open the box for inspection. There should be no water leakage inside the box. 6.2.3.4 Drop test
Packages weighing more than 100kg should be subjected to edge drop test. The test method shall be in accordance with the provisions of Article 3.3.1.2 of GB5398. Packages weighing less than or equal to 100kg should be subjected to free fall test. Drop test, the test method shall be in accordance with the provisions of GB/T4857.5. After the test, the packaging box should not be obviously damaged, and the appearance and performance parameters of the product should comply with the product standard. 6.2.3.5 Highway transport test
Place the package in the middle and rear part of the truck and fix it, then drive at a speed of 25-40km/h on the intermediate road of the third-class highway, and the driving distance should not be less than 200km. During the driving process, no less than three braking tests should be performed. After the test, unpack and inspect, the packaging box should not be damaged or deformed, and the compressor inside should not be damaged. Damage and obvious displacement, and its appearance and performance parameters should comply with the product standards. Note: The road pavement grade is in accordance with JTJ01: the intermediate road surface of the third-level highway is quartz, gravel road surface, irregular stone road surface, other granular road surface, etc. 7 Inspection rules
7.1 The inspection rules for magnesia concrete box packaging are in accordance with Chapter 6 of GB13041. 7.2. The inspection of compressor wooden box packaging is divided into factory inspection and finalization inspection. 7.2.1 During the batch production process, the packaging should be inspected at the factory. The factory inspection adopts sampling inspection, and the number of random inspections is No less than two pieces, the inspection items and requirements shall be in accordance with the provisions of Chapter 5 (except Article 5.1.3.4) of this standard. If the random inspection fails, the whole inspection shall be carried out, and the unqualified packages shall be repackaged.
7.2.2 In the following cases, the packages shall be subjected to sample finalization inspection: a. Newly designed product packaging boxes:
b. When there are major changes in the box making materials, packaging design and technology, the test items shall be determined according to the characteristics of the product and the conditions of loading, unloading, storage and transportation, and the test requirements shall be in accordance with Articles 5.1.3.4, 6.2.2 and 6.2.3. In the test, the reasons for the unqualified items should be analyzed, the design should be improved, and then re-inspection should be carried out until all the tested packages are qualified.
Packaging Marks and Random Documents
8.1 The packaging marks should include product marks, shipping marks and packaging storage and transportation pictorial marks. 8.1.1 Product marks and shipping marks should generally include the following: model and name of the compressor:
Box number (expressed as a fraction, the numerator is the box number, and the denominator is the total number of boxes); box body dimensions:
Gross weight:
Manufacturer name:
Receiving place and unit;
g, shipping place and unit:
h. Packing date.
JB/T 7663.1-95
8.1.2 The packaging storage and transportation pictorial marks should be selected according to the characteristics of the compressor and the provisions of GB191. Generally, there should be marks such as "upward", "from this product", and "afraid of moisture". For packages whose center of gravity is obviously off the center, the "center of gravity point" mark should be marked; when stacking is allowed, the "stacking limit" mark should be marked.
8.2 The packaging mark should be marked in a conspicuous and accurate position on the package according to the shape characteristics of the package and in accordance with the provisions of GB6388 and GB191. Use appropriate marking methods. 8.3 The product mark of export compressors is generally expressed in Chinese and English. If the size of the package is limited, except for the product name and manufacturer's name, which are in Chinese and English, the rest can be in English only; the packaging storage and transportation diagram mark only uses graphics, not words. 8.4 Random documents generally include product manuals, product certificates, and packing lists (general packing list and sub-packing list). Random documents should be packed in plastic bags. General packing The packing list is generally placed in the main box, and the sub-packing list is generally placed in the corresponding packaging box. 9 Transportation and storage of compressor packages
9.1 During loading, unloading and transportation, the compressor packages should be handled with care and should be lifted or placed in the direction marked on the packaging box to avoid collision and impact. It is strictly prohibited to transport them in the same vehicle with flammable and explosive items. 9.2 The compressor packages should be stored in a dry, ventilated and covered place. When stored for a long time, they should be inspected regularly and treated with rust prevention.
Additional notes:
This standard was proposed by the National Compressor Standardization Technical Committee. This standard is under the jurisdiction of the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. This standard was drafted by Weifang Shengjian Machinery Factory, Shandong Province. The main drafters of this standard are Sun Jianxin, Liu Jing'e, and Zhou Huoxian,
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