CB 1340-1998 General specification for chassis and cabinets of shipboard electronic equipment

CB 1340-1998 General Specification for Shipboard Electronic Equipment Chassis and Cabinets CB1340-1998 Standard download decompression password: www.bzxz.net

China State Shipbuilding Corporation Department Standard
CB1340-98
General specification for cases and enclosures of shipborne electronic equipment equipment1998—03—20Released
1998-08-01Implementation
1 Scope·
1.1 Subject content·
Scope of application·
Referenced documents
Qualification appraisal
First article·
Material·
Design and structure
Thermal design
Vibration and shock resistance design
Electromagnetic compatibility design
Maintainability design:
Safety design
Environmental adaptability
Component requirements
Installation requirements
Quality assurance regulations
Inspection responsibility·
Inspection classification
Inspection conditions.||t t||Identification inspection (type inspection)
Quality consistency inspection.…
Inspection method
Delivery preparation
5.3 Transportation and storage
5.4 Marking
6 Notes
6.1 Intended use;
6.2 Contents of order documents
Appendix A (reference) Defect classification
1 Scope
China State Shipbuilding Corporation Department Standard
General specification for shipboard electronic equipment cabinet CB1340-98
Classification number: U60
General Specification for cases and enclosrues of shipborne electronic equipment1.1 Subject content
This specification specifies the general requirements for the design, manufacture, inspection, packaging, transportation, storage and installation of shipborne electronic equipment cases and cabinets. 1.2 Scope of application
This specification applies to the cases and cabinets (hereinafter referred to as cases and cabinets) of electronic equipment such as radar, sonar, command and control, electronic countermeasures, navigation, and communication on board ships.
1.3 Classification
1.3.1 Cases of shipborne electronic equipment can be divided into wall-mounted and desktop types according to their structural forms. 1.3.2 Cabinets of shipborne electronic equipment can be divided into vertical cabinet type and console type according to their structural forms. 2 Reference documents
GB152.188
3 Fasteners
GB152.2-88
GB152.3-88
GB152.4-88
Through holes for rivets
Fasteners
Countersunk holes for countersunk heads
Fasteners
Countersunk holes for cylindrical heads
FastenersCountersunk holes for hexagonal bolts and hexagonal nutsGB191-90
Pictorial symbols for packaging, storage and transportation
GB/T1184 1996 Tolerances of shape and position without tolerance value GB2894—88 Safety signs
GB3047.4-—86
Basic dimension series of plug-in boxes and plug-ins with a height of 44.45 mm GB3047.6-86
Basic dimension series of electronic equipment desktop chassis GB/T3181—95
Coating color standard
GB5277—85
5 Fasteners Bolts and screws through holes
GB9438—88
GJB 4.8--83
GJB 22.1—84
GJB100---86
Technical conditions for aluminum alloy castings
Environmental test for ship electronic equipmentExhibition testGeneral technical conditions for ship-borne sonar equipment
Basic dimension series for panels, racks and cabinetsGJB 150.186
GJB150.3--86
GJB 150.486
GJB 150.986
GJB150.10—86
GJB150.11—86
GJB150.16—86
General Principles of Environmental Test Methods for Military Equipment
Environmental Test Methods for Military Equipment
Environmental Test Methods for Military Equipment
Environmental Test Methods for Military Equipment
Environmental Test Methods for Military Equipment
Environmental Test Methods for Military Equipment
China State Shipbuilding Corporation 199 8-0320 approved high temperature test
low temperature test
humid heat test
streptomycin test
salt spray test
vibration test
implemented on 1998-08-01
CB1340-98
GJB150.18-86 environmental test method for military equipment impact test
GJB179A-96 counting sampling inspection procedures and tables GJB367--87 general technical conditions for military communication equipment GJB403A-98
GJB 440.1--88
GJB 440.2—88
General specification for shipborne radar
Classification and severity level of environmental parameters for ship equipment for climatic, biological, chemically active substances and mechanically active substances Machinery
Classification and severity level of environmental parameters for ship equipment GJB 747-89
Basic technical requirements for shells of ship electrical equipment GJB1070--91
GJB 1182-91
GJB1210-91
General specification for ship command and control system
Protective packaging and packing level
Implementation of grounding, bonding and shielding design
Ship system interface requirements Mechanical environment Weight, size and shape of ship equipment and components GJB1446.61—92
GJB1448—92
General specification for ship electronic countermeasure equipment
GJB 17654-93
Military material packaging mark
GJB2230--94
General specification for ship inertial navigation system
GJB2476—95
General specification for display and control console of ship electronic equipment
GJB/Z 27-92
Reliability Thermal Design Manual for Electronic Equipment
Technical Requirements for Paint Coating of Electrical Appliances, Instruments and Armaments CB/T765—1997
CB/T3764-1996
3 Requirements
3.1 Qualification
Thickness series and quality requirements for metal coatings and chemical coatings Products submitted in accordance with this specification shall be products that have been qualified or approved for finalization. 3.2 First Article
When specified in the contract or order, first article inspection shall be carried out. 3.3 Materials
3.3.1 Basic Requirements
3.3.1.1 Generally, materials that meet national standards, national military standards, industry standards and enterprise standards shall be selected. 3.3.1.2 All selected materials shall have inspection certificates. 3.3.1.3 Except for prototypes, new materials that have not been certified for trial production shall generally not be used. 3.3.2 Commonly used materials
3.3.2.1 The main materials of chassis and cabinets should be high-strength materials such as high-quality steel plates, aluminum alloy plates, cast aluminum alloys, steel profiles, aluminum profiles, etc.
Material.
Materials whose physical properties change little with temperature should be preferred. For insulating materials, light alloys with a maximum allowable temperature greater than 130C should be preferred, but their strength and corrosion resistance should be fully considered. 3.3.2.4 Metal materials with good corrosion resistance or materials that have undergone corrosion resistance treatment should be selected. 3.3.2.5 Metals that may produce incompatible metal electrochemical pairs should not be contacted with each other. When it is necessary to use, metals with a small potential difference in the electrochemical series should be selected as much as possible.
3.3.3 Restricted materials
3.3.3.1 The following materials are restricted in the design of chassis and cabinets: magnesium or magnesium alloys, organic fiber materials, wood, plastics filled with cotton or linen, etc. 3.3.3.2 Generally, cast iron, hard rubber, ceramics and other similar brittle and fragile materials should not be used. 3.3.3.3 Generally, flammable materials should not be used. If necessary, the flammability of the material should be determined by testing. 2
CB1340-98
3.3.3.4 Generally, materials that are prone to cats should not be used. When they must be used, their exposed surfaces should be treated with anti-fungus and should pass the anti-fungus test. The anti-fungus treatment of materials should not cause the reduction of the electrical properties, mechanical properties, optical properties and other related properties of the materials. 3.3.4 Prohibited materials
It is prohibited to use materials that are harmful to human health and materials that emit toxic gases or corrosive substances when the equipment is working under any environmental conditions.
3.4 ​​Design and structure
3.4.1 In the design of chassis and cabinets, modular structures should be used as much as possible for replaceable units and components. 3.4.2 The individual requirements of chassis and cabinets used for ship radar, sonar, command and control, electronic countermeasures, navigation, and communication equipment should also comply with the relevant requirements of GJB403A, GJB22.1, GJB1070, GJB1448, GJB2230, GJB367, etc. 3.4.3 The verticality of the chassis and cabinet frames to the bottom reference plane and the parallelism between the frame columns shall comply with GB/T1184, with an accuracy of not less than Class 12.
3.4.4 The outer surfaces of the panels, covers and side panels of the chassis and cabinets shall be flat, and the flatness of the surfaces shall comply with GB/T1184, with an accuracy of not less than Class H. The verticality of the adjacent edges (surfaces) and the parallelism of the opposite edges (surfaces) of the panels shall comply with GB/T1184, with an accuracy of not less than Class 12. 3.4.5 The openings or countersunk holes for fasteners on the chassis and cabinets shall comply with the provisions of GB152.1, GB152.2, GB152.3, GB152.4 and GB5277.
3.4.6 The design of aluminum alloy castings shall comply with the provisions of GB9438. 3.4.7 The design of chassis and cabinets should take ventilation and heat dissipation into consideration, and should also consider dust prevention, insect prevention, rodent prevention, shielding, grounding, vibration isolation, and internal wiring. 3.4.8 The quick locks, limiters, flip mechanisms, movable guides, etc. in the chassis and cabinets should be firm and reliable, easy to operate, and should not collide, get stuck, get loose, or shift.
3.4.9 For cabinets of the same type and model, their structural accessories and plug-in units should ensure corresponding size matching and interchangeability. 3.4.10 The chassis and cabinets should select the corresponding waterproof level according to GJB747 based on the different installation locations. 3.5 Dimensions
3.5.1 See Figure 1 for the basic dimensions of the cabinet.
3.5.1.1 See Table 1 for the dimension series of the cabinet height H. D
7777777777777777777
Inner opening height
CB134098
(1800)
Note: ①H refers to the dimension from the bottom of the isolator mounting plate to the top of the cabinet (excluding the dimensions of accessories such as the top hook and the top cable connector). ?U=44.45mm.
③The dimensions in brackets are used with restrictions (the same below). 3.5.1.2 The dimension series of cabinet depth D: (380), 450, 500, 550, 600mm. 3.5.1.3 The dimension series of cabinet panel width B: (360.0), (440.0), 482.6, (508.0), 540.0, 609.6, 762.0mm. 3.5.1.4 The installation dimensions of the panel and rack (or cabinet) in the width direction are shown in Figure 2 and Table 2. b
Latch panel
Installation columns on cabinet (or rack》
CB1340-98
3.5.2 The main structural dimensions of the control console (including display console) cabinet shall comply with Article 3.5.1, and the other relevant dimensions shall comply with GJB2476. 3.5.3 The basic dimensions of the wall-mounted cabinet are shown in Figure 3 and Table 3. Figure 3
Note: There can be 6 mounting holes.
3.5.4 The basic dimensions of the desktop cabinet shall comply with the requirements of GB3047.6. B
3.5.5 The dimensions not specified in this specification shall comply with the requirements of GB3047.4, GB3047.6 and GJB100 respectively. 3.6 Thermal design
3.6.1-General requirements| |tt||3.6.1.1The thermal design shall comply with the provisions of GJB/Z27. H
3.6.1.2The thermal design shall comprehensively consider the total power consumption, thermal power density, heat source distribution, thermal sensitivity, thermal environment, allowable operating temperature of components and volume weight, economy, etc. to select the best cooling method. 3.6.1.3The thermal design shall have the most basic cooling measures required in an emergency. When the cooling system is partially damaged or not working, the equipment shall be able to operate in an emergency.
3.6.1.4The cooling system shall operate reliably. Under the specified environmental conditions, the cooling system must be able to complete the specified functions in a repetitive and predetermined manner.
3.6.1.5The cooling system shall be equipped with safety protection and fault indication for key devices. The cooling of components should be equipped with interlocking protection devices. 5
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3.6.1.6 The air inlet and outlet of the cooling system should be equipped with dustproof, drip-proof and electromagnetic leakage-proof devices. 3.6.1.7 When special components cannot meet the low temperature requirements of relevant specifications, heating measures should be taken. 3.6.2 Natural cooling
3.6.2.1 Simple cooling methods such as conduction, radiation and convection should be used to the maximum extent. Make full use of the metal shell of the chassis and cabinet to dissipate heat and increase the blackness of the surface of the chassis and cabinet.
3.6.2.2 The heat flow channel should be as short as possible, with a large cross-section and made of materials with good thermal conductivity. 3.6.3 Strong pursuit cooling
3.6.3.1 The air path should be designed reasonably to prevent short circuit and open circuit of the air path. The air temperature difference between the inlet and outlet should generally not exceed 14°C. 3.6.3.2 The air duct design should make the forced air flow direction consistent with the natural convection air flow direction. 3.6.3.3 On ships that can supply fresh water below 25°C as cooling water, if the heat loss in the cabinet is large, a closed air-water mixed cooling method should be adopted.
3.6.3.4 The pipes for liquid cooling should have low resistance, and self-sealing joints should be used at the inlet and outlet of the liquid flow, and there should be no leakage at the joints. 3.6.3.5 If necessary, there should be temperature, flow, pressure and other indicating devices in the liquid pipeline. 3.6.4 Thermal installation
3.6.4.1 The thermal resistance of the installation surface should be minimized. 3.6.4.2 The arrangement and installation of components in the chassis and cabinet should be conducive to the convection heat exchange of the fluid. Avoid installing large components on the air duct to prevent blocking the airflow.
3.7 Anti-vibration and anti-shock design
3.7.1 The chassis and cabinets should have sufficient rigidity and strength, and should meet the relevant requirements of GJB440.2 after being assembled into equipment. 3.7.2 The main structure and hierarchical structure should be designed according to the octave rule. Rigid connections should be used as much as possible between the main structure and the hierarchical structure. 3.7.3 When the chassis and cabinets cannot meet the environmental requirements specified in GJB440.2 after being assembled into equipment, vibration isolation and buffering measures should be taken. 3.7.4 The design of the vibration isolation system should avoid coupling in three directions, and the vibration isolators at the bottom and back should match. 3.7.5 The selected vibration isolators must meet the requirements of the ship's environmental conditions, and no resonance with a relative motion amplification factor greater than 3 should occur in the three directions within the rated load.
3.8 Electromagnetic compatibility design
3.8.1 The chassis and cabinets should have good shielding and grounding measures. 3.8.2 There should be good conductive contact between the panel, door, cover and cabinet shell, and conductive pads should be used when necessary. 3.8.3 Minimize the number of openings in the chassis and cabinet. The ventilation holes should be shielded with metal mesh. If the openings on the panel and door affect the shielding effectiveness, shielding measures should be taken.
3.8.4 A grounding system should be installed in the chassis and cabinet, and it can be conveniently and reliably connected to the ship's grounding system. The overlapping requirements should comply with the provisions of GJB1210.
3.9 Maintainability design
3.9.1 The design of the chassis and cabinet must meet the requirements of front maintenance. All parts that need to be inspected, maintained and repaired should have good accessibility and should be easy to install and disassemble. When inspecting and repairing any part, other parts should generally not be disassembled or moved. 3.9.2 Cables and wires installed in the chassis and cabinet should be marked with easy-to-identify, clear and firm signs. 3.9.3 General tools should be used preferentially, and the variety of tools should be reduced to minimize the use of special assembly, disassembly and maintenance tools. 3.10 Safety design
3.10.1 Wherever there are safety requirements, safety precautions and safety signs should be marked in eye-catching colors. Safety signs should comply with the provisions of GB2894.
3.10.2 All exposed metal parts, joysticks, sleeves, etc. on the chassis and cabinets should be well grounded. 3.10.3 The doors and plug-in boxes of the chassis and cabinets should have positioning and locking devices. 3.10.4 The exposed protruding parts, corners and edges of the chassis and cabinets should avoid sharp corners and sharp edges. 3.10.5 Cabinets that must be operated by standing personnel should be equipped with handrails for operators to grasp. 6
3.11 Environmental adaptability
3.11.1 Temperature
-40~65℃
3.11.2 Humidity
Temperature 30～60℃, relative humidity 95%
3.11.3 Berry fungus
CB1340-98
The product should have the ability to resist mold. After the test, the mold colonies on the surface of the sample spread intermittently or were loosely distributed on the surface of the substrate, and the growth of the fungus accounted for less than 30% of the total area, with moderate reproduction. 3.11.4 Salt spray
The product should have the ability to resist salt spray corrosion as specified in Article 4.1.1 of GJB440.1. 3.11.5 Impact
The product should be able to withstand the strong impact caused by the explosion, as required by Article 2.1 of GJB440.2. 3.11.6 Shock
The product should be able to withstand low-intensity repeated impacts caused by waves, in accordance with the requirements of Article 2.2 of GJB440.2. 3.11.7 Vibration
The product should be able to withstand the vibrations generated by ship power, in accordance with the requirements of Article 2.3 of GJB440.2. 3.12 Requirements for parts
3.12.1 The parts and accessories should be reasonably designed and selected to meet the requirements of ship environmental conditions. 3.12.2 Standard parts should be used to the maximum extent, and parts that meet national standards and national military standards should be given priority. 3.12.3 The selection of fasteners should implement the principle of consistency and minimize the variety and specifications. 3.12.4 In the design of parts, full consideration should be given to generalization and serialization, and the principle of optimized design should be implemented. 3.12.5 The accessories of the chassis and cabinets should be easy to install, and the use should be convenient, flexible and reliable. 3.12.6 Aluminum alloy and synthetic resin materials should avoid direct tapping as much as possible. 3.13 Installation requirements
3.13.1 The dimensions and shapes of the chassis and cabinets installed in the ship's cabin shall comply with the provisions of GJB1446.61. 3.13.2 When the dimensions of the cabinet manufactured in accordance with Article 3.5 of this specification exceed the provisions of GJB1446.61, the cabinet shall be able to be disassembled and reassembled in the cabin.
3.13.3 The cabinet shall be able to be installed against the wall and in parallel, and the structural design shall ensure front operation and maintenance. 3.13.4 The connecting bolts between the cabinet and the base on the ship shall be easy to install and disassemble, and the vibration isolator of the cabinet shall be equipped with a mounting plate. 3.13.5 The cable connector of the cabinet shall be set at the top or bottom of the cabinet. When it is set at the bottom, space for plugging and unplugging the cable and connector shall be left.
3.13.6 The cable connector of the desktop chassis shall be set at the back of the chassis, and shall not be set at the top, bottom or side. 3.13.7 Cable connectors for wall-mounted enclosures are not allowed to be set on the front and back of the enclosure. 3.13.8 The top of the cabinet should generally be equipped with eyebolts. 3.14 Appearance
3.14.1 Appearance quality
3.14.1.1 The outer surface should not have obvious bumps and distortions. 3.14.1.2 The outer surface should not have sharp edges and mechanical damage such as indentations, bumps, and scratches. 3.14.1.3 Rust, coating shedding, bubbles, and other defects are not allowed on the surface. 3.14.2 Marking
3.14.2.1 The enclosure and cabinet should have firm and clear markings, which should include the following: a. Model and name;
b. Production batch number and number;
c. Production date;
d. Manufacturing unit.
3.14.2.2 The characters of the marking should be complete and clear. 3.14.3 Surface protection
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3.14.3.1 All metal components of chassis and cabinets should generally be subjected to surface coating or chemical treatment. 3.14.3.2 The coating and chemical treatment layers should meet the requirements of the ship environment. 3.14.3.3 The outer surface of chassis and cabinets should generally use matte or semi-gloss paint, and matte spraying process can also be used. The color and grade of the coating layer should comply with the relevant regulations of the equipment.
3.14.3.4 The coating layer should comply with the requirements of CB/T765, the coating layer color should comply with the requirements of GB/T3181, and the paint brand should comply with the provisions of relevant standards.
3.14.3.5 The selection and quality requirements of metal plating and chemical coating shall comply with the provisions of CB/T3764. 4 Quality Assurance Provisions
4.1 Inspection Responsibility
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection item described in the specification. 4.1.1 Conformity Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality assurance program. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
Inspection classification specified in this specification:
a. Appraisal inspection (type inspection);
b. Quality consistency inspection.
4.3 Test conditions
4.3.1 Unless otherwise specified, the standard atmospheric conditions for the test shall comply with the provisions of Article 3.1 of GJB150.1. 4.3.2 Unless otherwise specified, the allowable error of the test conditions shall comply with the provisions of Article 3.2 of GJB150.1. 4.3.3 Unless otherwise specified, the instruments and meters used for the test shall comply with the provisions of Articles 3.2 and 3.3 of GJB150.1. 4.3.4 The identification test shall be carried out in an approved laboratory. The samples used shall be products extracted from normal production. 4.4 Appraisal inspection (type test)
4.4.1 Appraisal inspection items are shown in Table 4
Inspection or test items
Appearance quality
Required clause number
Inspection or test method
Legal clause number
Appraisal inspection
Quality consistency inspection
Inspection or test items
Design and structure
Required clause number
3.7, 3.11.5
3.7, 3.11.7
3.7, 3.11.6
Note: ①● represents mandatory items,
CB1340-98
Continued Table 4
Inspection or test method
Legal clause number
4. 6.2、4.6.3
②○ represents optional items (agreed by the contractor and the ordering party). 4.4.2
Qualification criteria shall be in accordance with the requirements of product specifications.
Qualification inspection
Quality consistency inspection
4.4.3 The contractor shall submit test data in accordance with the provisions of the contract (or product specifications) to maintain the qualification for qualification. 4.5 Quality consistency inspection
Quality consistency inspection is generally divided into Group A and Group C inspection. 4.5.1 Sampling plan
4.5.1.1 In the quality consistency inspection, the inspection items of Group A shall be inspected one by one. nm
4.5.1.2 Samples for Group C inspection shall be drawn from products that have passed the Group A inspection, and the sampling plan shall be carried out in accordance with the provisions of General Inspection Level I in GJB179A (see Table 5).
Batch range
Sample size
4.5.2 Acceptable quality level
Acceptable quality level AQL shall be specified in the corresponding product specifications or contracts. 4.5.3 Handling of defects in quality consistency inspection 26~90
a. If minor defects occur in the quality consistency inspection, the test can be continued after repair. For defect classification, see Appendix A (reference); b. If major defects occur in the quality consistency inspection, the contractor shall conduct a comprehensive analysis of the defects, find out the causes, take effective technical measures to improve them, and then re-conduct the test after consultation between the contractor and the ordering party. After re-inspection, if major defects occur again, the batch of products shall be judged as unqualified. 4.5.4 Unqualified
If the C group inspection fails, acceptance and delivery shall be stopped, and the contractor shall notify the qualified appraisal unit of the unqualified situation. After taking corrective measures, the contractor shall notify the qualified appraisal unit of the unqualified situation.1 requirement. 3.11.6 Shock
The product should be able to withstand low-intensity repeated impacts caused by waves, in accordance with the requirements of Article 2.2 of GJB440.2. 3.11.7 Vibration
The product should be able to withstand the vibration generated by ship power, in accordance with the requirements of Article 2.3 of GJB440.2. 3.12 Requirements for parts
3.12.1 Parts and accessories should be reasonably designed and selected to meet the requirements of ship environmental conditions. 3.12.2 Standard parts should be used to the maximum extent, and parts that meet national standards and national military standards should be given priority. 3.12.3 The selection of fasteners should implement the principle of consistency and minimize the variety and specifications. 3.12.4 In the design of parts, full consideration should be given to generalization and serialization, and the principle of optimized design should be implemented. 3.12.5 The accessories of chassis and cabinets should be easy to install, and the use should be convenient, flexible and reliable. 3.12.6 Aluminum alloy and synthetic resin materials should avoid direct tapping as much as possible. 3.13 Installation requirements
3.13.1 The dimensions and shapes of the chassis and cabinets installed in the ship's cabin shall comply with the provisions of GJB1446.61. 3.13.2 When the dimensions of the cabinet manufactured in accordance with Article 3.5 of this specification exceed the provisions of GJB1446.61, the cabinet shall be able to be disassembled and reassembled in the cabin.
3.13.3 The cabinet shall be able to be installed against the wall and in parallel, and the structural design shall ensure front operation and maintenance. 3.13.4 The connecting bolts between the cabinet and the base on the ship shall be easy to install and disassemble, and the vibration isolator of the cabinet shall be equipped with a mounting plate. 3.13.5 The cable connector of the cabinet shall be set at the top or bottom of the cabinet. When it is set at the bottom, space for plugging and unplugging the cable and connector shall be left.
3.13.6 The cable connector of the desktop chassis shall be set at the back of the chassis, and shall not be set at the top, bottom or side. 3.13.7 Cable connectors for wall-mounted enclosures are not allowed to be set on the front and back of the enclosure. 3.13.8 The top of the cabinet should generally be equipped with eyebolts. 3.14 Appearance
3.14.1 Appearance quality
3.14.1.1 The outer surface should not have obvious bumps and distortions. 3.14.1.2 The outer surface should not have sharp edges and mechanical damage such as indentations, bumps, and scratches. 3.14.1.3 Rust, coating shedding, bubbles, and other defects are not allowed on the surface. 3.14.2 Marking
3.14.2.1 The enclosure and cabinet should have firm and clear markings, which should include the following: a. Model and name;
b. Production batch number and number;
c. Production date;
d. Manufacturing unit.
3.14.2.2 The characters of the marking should be complete and clear. 3.14.3 Surface protection
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3.14.3.1 All metal components of chassis and cabinets should generally be subjected to surface coating or chemical treatment. 3.14.3.2 The coating and chemical treatment layers should meet the requirements of the ship environment. 3.14.3.3 The outer surface of chassis and cabinets should generally use matte or semi-gloss paint, and matte spraying process can also be used. The color and grade of the coating layer should comply with the relevant regulations of the equipment.
3.14.3.4 The coating layer should comply with the requirements of CB/T765, the coating layer color should comply with the requirements of GB/T3181, and the paint brand should comply with the provisions of relevant standards.
3.14.3.5 The selection and quality requirements of metal plating and chemical coating shall comply with the provisions of CB/T3764. 4 Quality Assurance Provisions
4.1 Inspection Responsibility
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection item described in the specification. 4.1.1 Conformity Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality assurance program. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
Inspection classification specified in this specification:
a. Appraisal inspection (type inspection);
b. Quality consistency inspection.
4.3 Test conditions
4.3.1 Unless otherwise specified, the standard atmospheric conditions for the test shall comply with the provisions of Article 3.1 of GJB150.1. 4.3.2 Unless otherwise specified, the allowable error of the test conditions shall comply with the provisions of Article 3.2 of GJB150.1. 4.3.3 Unless otherwise specified, the instruments and meters used for the test shall comply with the provisions of Articles 3.2 and 3.3 of GJB150.1. 4.3.4 The identification test shall be carried out in an approved laboratory. The samples used shall be products extracted from normal production. 4.4 Appraisal inspection (type test)
4.4.1 Appraisal inspection items are shown in Table 4
Inspection or test items
Appearance quality
Required clause number
Inspection or test method
Legal clause number
Appraisal inspection
Quality consistency inspection
Inspection or test items
Design and structure
Required clause number
3.7, 3.11.5
3.7, 3.11.7
3.7, 3.11.6
Note: ①● represents mandatory items,
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Continued Table 4
Inspection or test method
Legal clause number
4. 6.2、4.6.3
②○ represents optional items (agreed by the contractor and the ordering party). 4.4.2
Qualification criteria shall be in accordance with the requirements of product specifications.
Qualification inspection
Quality consistency inspection
4.4.3 The contractor shall submit test data in accordance with the provisions of the contract (or product specifications) to maintain the qualification for qualification. 4.5 Quality consistency inspection
Quality consistency inspection is generally divided into Group A and Group C inspection. 4.5.1 Sampling plan
4.5.1.1 In the quality consistency inspection, the inspection items of Group A shall be inspected one by one. nm
4.5.1.2 Samples for Group C inspection shall be drawn from products that have passed the Group A inspection, and the sampling plan shall be carried out in accordance with the provisions of General Inspection Level I in GJB179A (see Table 5).
Batch range
Sample size
4.5.2 Acceptable quality level
Acceptable quality level AQL shall be specified in the corresponding product specifications or contracts. 4.5.3 Handling of defects in quality consistency inspection 26~90
a. If minor defects occur in the quality consistency inspection, the test can be continued after repair. For defect classification, see Appendix A (reference); b. If major defects occur in the quality consistency inspection, the contractor shall conduct a comprehensive analysis of the defects, find out the causes, take effective technical measures to improve them, and then re-conduct the test after consultation between the contractor and the ordering party. After re-inspection, if major defects occur again, the batch of products shall be judged as unqualified. 4.5.4 Unqualified
If the C group inspection fails, acceptance and delivery shall be stopped, and the contractor shall notify the qualified appraisal unit of the unqualified situation. After taking corrective measures, the contractor shall notify the qualified appraisal unit of the unqualified situation.1 requirement. 3.11.6 Shock
The product should be able to withstand low-intensity repeated impacts caused by waves, in accordance with the requirements of Article 2.2 of GJB440.2. 3.11.7 Vibration
The product should be able to withstand the vibration generated by ship power, in accordance with the requirements of Article 2.3 of GJB440.2. 3.12 Requirements for parts
3.12.1 Parts and accessories should be reasonably designed and selected to meet the requirements of ship environmental conditions. 3.12.2 Standard parts should be used to the maximum extent, and parts that meet national standards and national military standards should be given priority. 3.12.3 The selection of fasteners should implement the principle of consistency and minimize the variety and specifications. 3.12.4 In the design of parts, full consideration should be given to generalization and serialization, and the principle of optimized design should be implemented. 3.12.5 The accessories of chassis and cabinets should be easy to install, and the use should be convenient, flexible and reliable. 3.12.6 Aluminum alloy and synthetic resin materials should avoid direct tapping as much as possible. 3.13 Installation requirements
3.13.1 The dimensions and shapes of the chassis and cabinets installed in the ship's cabin shall comply with the provisions of GJB1446.61. 3.13.2 When the dimensions of the cabinet manufactured in accordance with Article 3.5 of this specification exceed the provisions of GJB1446.61, the cabinet shall be able to be disassembled and reassembled in the cabin. bzxZ.net
3.13.3 The cabinet shall be able to be installed against the wall and in parallel, and the structural design shall ensure front operation and maintenance. 3.13.4 The connecting bolts between the cabinet and the base on the ship shall be easy to install and disassemble, and the vibration isolator of the cabinet shall be equipped with a mounting plate. 3.13.5 The cable connector of the cabinet shall be set at the top or bottom of the cabinet. When it is set at the bottom, space for plugging and unplugging the cable and connector shall be left.
3.13.6 The cable connector of the desktop chassis shall be set at the back of the chassis, and shall not be set at the top, bottom or side. 3.13.7 Cable connectors for wall-mounted enclosures are not allowed to be set on the front and back of the enclosure. 3.13.8 The top of the cabinet should generally be equipped with eyebolts. 3.14 Appearance
3.14.1 Appearance quality
3.14.1.1 The outer surface should not have obvious bumps and distortions. 3.14.1.2 The outer surface should not have sharp edges and mechanical damage such as indentations, bumps, and scratches. 3.14.1.3 Rust, coating shedding, bubbles, and other defects are not allowed on the surface. 3.14.2 Marking
3.14.2.1 The enclosure and cabinet should have firm and clear markings, which should include the following: a. Model and name;
b. Production batch number and number;
c. Production date;
d. Manufacturing unit.
3.14.2.2 The characters of the marking should be complete and clear. 3.14.3 Surface protection
CB1340-98
3.14.3.1 All metal components of chassis and cabinets should generally be subjected to surface coating or chemical treatment. 3.14.3.2 The coating and chemical treatment layers should meet the requirements of the ship environment. 3.14.3.3 The outer surface of chassis and cabinets should generally use matte or semi-gloss paint, and matte spraying process can also be used. The color and grade of the coating layer should comply with the relevant regulations of the equipment.
3.14.3.4 The coating layer should comply with the requirements of CB/T765, the coating layer color should comply with the requirements of GB/T3181, and the paint brand should comply with the provisions of relevant standards.
3.14.3.5 The selection and quality requirements of metal plating and chemical coating shall comply with the provisions of CB/T3764. 4 Quality Assurance Provisions
4.1 Inspection Responsibility
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection item described in the specification. 4.1.1 Conformity Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality assurance program. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
Inspection classification specified in this specification:
a. Appraisal inspection (type inspection);
b. Quality consistency inspection.
4.3 Test conditions
4.3.1 Unless otherwise specified, the standard atmospheric conditions for the test shall comply with the provisions of Article 3.1 of GJB150.1. 4.3.2 Unless otherwise specified, the allowable error of the test conditions shall comply with the provisions of Article 3.2 of GJB150.1. 4.3.3 Unless otherwise specified, the instruments and meters used for the test shall comply with the provisions of Articles 3.2 and 3.3 of GJB150.1. 4.3.4 The identification test shall be carried out in an approved laboratory. The samples used shall be products extracted from normal production. 4.4 Appraisal inspection (type test)
4.4.1 Appraisal inspection items are shown in Table 4
Inspection or test items
Appearance quality
Required clause number
Inspection or test method
Legal clause number
Appraisal inspection
Quality consistency inspection
Inspection or test items
Design and structure
Required clause number
3.7, 3.11.5
3.7, 3.11.7
3.7, 3.11.6
Note: ①● represents mandatory items,
CB1340-98
Continued Table 4
Inspection or test method
Legal clause number
4. 6.2、4.6.3
②○ represents optional items (agreed by the contractor and the ordering party). 4.4.2
Qualification criteria shall be in accordance with the requirements of product specifications.
Qualification inspection
Quality consistency inspection
4.4.3 The contractor shall submit test data in accordance with the provisions of the contract (or product specifications) to maintain the qualification for qualification. 4.5 Quality consistency inspection
Quality consistency inspection is generally divided into Group A and Group C inspection. 4.5.1 Sampling plan
4.5.1.1 In the quality consistency inspection, the inspection items of Group A shall be inspected one by one. nm
4.5.1.2 Samples for Group C inspection shall be drawn from products that have passed the Group A inspection, and the sampling plan shall be carried out in accordance with the provisions of General Inspection Level I in GJB179A (see Table 5).
Batch range
Sample size
4.5.2 Acceptable quality level
Acceptable quality level AQL shall be specified in the corresponding product specifications or contracts. 4.5.3 Handling of defects in quality consistency inspection 26~90
a. If minor defects occur in the quality consistency inspection, the test can be continued after repair. For defect classification, see Appendix A (reference); b. If major defects occur in the quality consistency inspection, the contractor shall conduct a comprehensive analysis of the defects, find out the causes, take effective technical measures to improve them, and then re-conduct the test after consultation between the contractor and the ordering party. After re-inspection, if major defects occur again, the batch of products shall be judged as unqualified. 4.5.4 Unqualified
If the C group inspection fails, acceptance and delivery shall be stopped, and the contractor shall notify the qualified appraisal unit of the unqualified situation. After taking corrective measures, the contractor shall notify the qualified appraisal unit of the unqualified situation.3 The cabinet should be able to be installed against the wall and in parallel, and the structural design should ensure front operation and maintenance. 3.13.4 The connecting bolts between the cabinet and the base on the ship should be easy to install and remove, and the cabinet's vibration isolator should be equipped with a mounting plate. 3.13.5 The cable connector of the cabinet should be set at its top or bottom. When it is set at its bottom, there should be space for plugging and unplugging cables and connectors.
3.13.6 The cable connector of the desktop chassis should be set at the back of the chassis, and it is not allowed to be set at its top, bottom and side. 3.13.7 The cable connector of the wall-mounted chassis is not allowed to be set at the front and back of the chassis. 3.13.8 The top of the cabinet should generally be equipped with eye screws. 3.14 Appearance
3.14.1 Appearance quality
3.14.1.1 The outer surface should not have obvious bumps and distortions. 3.14.1.2 The outer surface should not have sharp edges and mechanical damage such as indentations, bumps, scratches, etc. 3.14.1.3 Surface defects such as rust, coating shedding, and bubbles are not allowed. 3.14.2 Marking
3.14.2.1 The chassis and cabinets should have firm and clear markings, which should include the following: a. Model and name;
b. Production batch number and serial number;
c. Production date;
d. Manufacturing unit.
3.14.2.2 The characters of the marking should be complete and clear. 3.14.3 Surface protection
CB1340-98
3.14.3.1 All metal components of chassis and cabinets should generally be surface coated or chemically treated. 3.14.3.2 The coating and chemical treatment layers should meet the requirements of the ship environment. 3.14.3.3 The outer surface of the chassis and cabinets should generally use matte or semi-gloss paint, and matte spraying process can also be used. The color and grade of the coating layer shall comply with the relevant provisions of the equipment.
3.14.3.4 The coating layer shall comply with the requirements of CB/T765, the color of the coating layer shall comply with the requirements of GB/T3181, and the paint brand shall comply with the provisions of relevant standards.
3.14.3.5 The selection and quality requirements of metal plating and chemical coating shall comply with the provisions of CB/T3764. 4 Quality Assurance Provisions
4.1 Inspection Responsibility
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection item described in the specification. 4.1.1 Qualification Responsibility
All products must comply with all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality assurance program. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection categories
Inspection categories specified in this specification:
a. Identification inspection (type inspection);
b. Quality consistency inspection.
4.3 Inspection conditions
4.3.1 Unless otherwise specified, the standard atmospheric conditions for the test shall comply with the provisions of Article 3.1 of GJB150.1. 4.3.2 Unless otherwise specified, the allowable error of the test conditions shall comply with the provisions of Article 3.2 of GJB150.1. 4.3.3 Unless otherwise specified, the instruments and meters used for the test shall comply with the provisions of Articles 3.2 and 3.3 of GJB150.1. 4.3.4 Identification inspection shall be carried out in an approved laboratory. The samples used shall be products drawn from normal production. 4.4 Appraisal inspection (type test)
4.4.1 Appraisal inspection items are shown in Table 4
Inspection or test items
Appearance quality
Required clause number
Inspection or test method
Legal clause number
Appraisal inspection
Quality consistency inspection
Inspection or test items
Design and structure
Required clause number
3.7, 3.11.5
3.7, 3.11.7
3.7, 3.11.6
Note: ①● represents mandatory items,
CB1340-98
Continued Table 4
Inspection or test method
Legal clause number
4. 6.2、4.6.3
②○ represents optional items (agreed by the contractor and the ordering party). 4.4.2
Qualification criteria shall be in accordance with the requirements of product specifications.
Qualification inspection
Quality consistency inspection
4.4.3 The contractor shall submit test data in accordance with the provisions of the contract (or product specifications) to maintain the qualification for qualification. 4.5 Quality consistency inspection
Quality consistency inspection is generally divided into Group A and Group C inspection. 4.5.1 Sampling plan
4.5.1.1 In the quality consistency inspection, the inspection items of Group A shall be inspected one by one. nm
4.5.1.2 Samples for Group C inspection shall be drawn from products that have passed the Group A inspection, and the sampling plan shall be carried out in accordance with the provisions of General Inspection Level I in GJB179A (see Table 5).
Batch range
Sample size
4.5.2 Acceptable quality level
Acceptable quality level AQL shall be specified in the corresponding product specifications or contracts. 4.5.3 Handling of defects in quality consistency inspection 26~90
a. If minor defects occur in the quality consistency inspection, the test can be continued after repair. For defect classification, see Appendix A (reference); b. If major defects occur in the quality consistency inspection, the contractor shall conduct a comprehensive analysis of the defects, find out the causes, take effective technical measures to improve them, and then re-conduct the test after consultation between the contractor and the ordering party. After re-inspection, if major defects occur again, the batch of products shall be judged as unqualified. 4.5.4 Unqualified
If the C group inspection fails, acceptance and delivery shall be stopped, and the contractor shall notify the qualified appraisal unit of the unqualified situation. After taking corrective measures, the contractor shall notify the qualified appraisal unit of the unqualified situation.3 The cabinet should be able to be installed against the wall and in parallel, and the structural design should ensure front operation and maintenance. 3.13.4 The connecting bolts between the cabinet and the base on the ship should be easy to install and remove, and the cabinet's vibration isolator should be equipped with a mounting plate. 3.13.5 The cable connector of the cabinet should be set at its top or bottom. When it is set at its bottom, there should be space for plugging and unplugging cables and connectors.
3.13.6 The cable connector of the desktop chassis should be set at the back of the chassis, and it is not allowed to be set at its top, bottom and side. 3.13.7 The cable connector of the wall-mounted chassis is not allowed to be set at the front and back of the chassis. 3.13.8 The top of the cabinet should generally be equipped with eye screws. 3.14 Appearance
3.14.1 Appearance quality
3.14.1.1 The outer surface should not have obvious bumps and distortions. 3.14.1.2 The outer surface should not have sharp edges and mechanical damage such as indentations, bumps, scratches, etc. 3.14.1.3 Surface defects such as rust, coating shedding, and bubbles are not allowed. 3.14.2 Marking
3.14.2.1 The chassis and cabinets should have firm and clear markings, which should include the following: a. Model and name;
b. Production batch number and serial number;
c. Production date;
d. Manufacturing unit.
3.14.2.2 The characters of the marking should be complete and clear. 3.14.3 Surface protection
CB1340-98
3.14.3.1 All metal components of chassis and cabinets should generally be surface coated or chemically treated. 3.14.3.2 The coating and chemical treatment layers should meet the requirements of the ship environment. 3.14.3.3 The outer surface of the chassis and cabinets should generally use matte or semi-gloss paint, and matte spraying process can also be used. The color and grade of the coating layer shall comply with the relevant provisions of the equipment.
3.14.3.4 The coating layer shall comply with the requirements of CB/T765, the color of the coating layer shall comply with the requirements of GB/T3181, and the paint brand shall comply with the provisions of relevant standards.
3.14.3.5 The selection and quality requirements of metal plating and chemical coating shall comply with the provisions of CB/T3764. 4 Quality Assurance Provisions
4.1 Inspection Responsibility
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection item described in the specification. 4.1.1 Qualification Responsibility
All products must comply with all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality assurance program. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection categories
Inspection categories specified in this specification:
a. Identification inspection (type inspection);
b. Quality consistency inspection.
4.3 Inspection conditions
4.3.1 Unless otherwise specified, the standard atmospheric conditions for the test shall comply with the provisions of Article 3.1 of GJB150.1. 4.3.2 Unless otherwise specified, the allowable error of the test conditions shall comply with the provisions of Article 3.2 of GJB150.1. 4.3.3 Unless otherwise specified, the instruments and meters used for the test shall comply with the provisions of Articles 3.2 and 3.3 of GJB150.1. 4.3.4 Identification inspection shall be carried out in an approved laboratory. The samples used shall be products drawn from normal production. 4.4 Appraisal inspection (type test)
4.4.1 Appraisal inspection items are shown in Table 4
Inspection or test items
Appearance quality
Required clause number
Inspection or test method
Legal clause number
Appraisal inspection
Quality consistency inspection
Inspection or test items
Design and structure
Required clause number
3.7, 3.11.5
3.7, 3.11.7
3.7, 3.11.6
Note: ①● represents mandatory items,
CB1340-98
Continued Table 4
Inspection or test method
Legal clause number
4. 6.2、4.6.3
②○ represents optional items (agreed by the contractor and the ordering party). 4.4.2
Qualification criteria shall be in accordance with the requirements of product specifications.
Qualification inspection
Quality consistency inspection
4.4.3 The contractor shall submit test data in accordance with the provisions of the contract (or product specifications) to maintain the qualification for qualification. 4.5 Quality consistency inspection
Quality consistency inspection is generally divided into Group A and Group C inspection. 4.5.1 Sampling plan
4.5.1.1 In the quality consistency inspection, the inspection items of Group A shall be inspected one by one. nm
4.5.1.2 Samples for Group C inspection shall be drawn from products that have passed the Group A inspection, and the sampling plan shall be carried out in accordance with the provisions of General Inspection Level I in GJB179A (see Table 5).
Batch range
Sample size
4.5.2 Acceptable quality level
Acceptable quality level AQL shall be specified in the corresponding product specifications or contracts. 4.5.3 Handling of defects in quality consistency inspection 26~90
a. If minor defects occur in the quality consistency inspection, the test can be continued after repair. For defect classification, see Appendix A (reference); b. If major defects occur in the quality consistency inspection, the contractor shall conduct a comprehensive analysis of the defects, find out the causes, take effective technical measures to improve them, and then re-conduct the test after consultation between the contractor and the ordering party. After re-inspection, if major defects occur again, the batch of products shall be judged as unqualified. 4.5.4 Unqualified
If the C group inspection fails, acceptance and delivery shall be stopped, and the contractor shall notify the qualified appraisal unit of the unqualified situation. After taking corrective measures, the contractor shall notify the qualified appraisal unit of the unqualified situation.1 Responsibility for Conformity
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality assurance program. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection categories
The inspection categories specified in this specification are:
a. Identification inspection (type inspection);
b. Quality consistency inspection.
4.3 Inspection conditions
4.3.1 Unless otherwise specified, the standard atmospheric conditions for the test shall comply with the provisions of Article 3.1 of GJB150.1. 4.3.2 Unless otherwise specified, the allowable error of the test conditions shall comply with the provisions of Article 3.2 of GJB150.1. 4.3.3 Unless otherwise specified, the test instruments and meters shall comply with the provisions of Article 3.2 and Article 3.3 of GJB150.1. 4.3.4 The identification test shall be carried out in an approved laboratory. The samples used shall be products drawn from normal production. 4.4 Appraisal inspection (type test)
4.4.1 Appraisal inspection items are shown in Table 4
Inspection or test items
Appearance quality
Required clause number
Inspection or test method
Legal clause number
Appraisal inspection
Quality consistency inspection
Inspection or test items
Design and structure
Required clause number
3.7, 3.11.5
3.7, 3.11.7
3.7, 3.11.6
Note: ①● represents mandatory items,
CB1340-98
Continued Table 4
Inspection or test method
Legal clause number
4. 6.2、4.6.3
②○ represents optional items (agreed by the contractor and the ordering party). 4.4.2
Qualification criteria shall be in accordance with the requirements of product specifications.
Qualification inspection
Quality consistency inspection
4.4.3 The contractor shall submit test data in accordance with the provisions of the contract (or product specifications) to maintain the qualification for qualification. 4.5 Quality consistency inspection
Quality consistency inspection is generally divided into Group A and Group C inspection. 4.5.1 Sampling plan
4.5.1.1 In the quality consistency inspection, the inspection items of Group A shall be inspected one by one. nm
4.5.1.2 Samples for Group C inspection shall be drawn from products that have passed the Group A inspection, and the sampling plan shall be carried out in accordance with the provisions of General Inspection Level I in GJB179A (see Table 5).
Batch range
Sample size
4.5.2 Acceptable quality level
Acceptable quality level AQL shall be specified in the corresponding product specifications or contracts. 4.5.3 Handling of defects in quality consistency inspection 26~90
a. If minor defects occur in the quality consistency inspection, the test can be continued after repair. For defect classification, see Appendix A (reference); b. If major defects occur in the quality consistency inspection, the contractor shall conduct a comprehensive analysis of the defects, find out the causes, take effective technical measures to improve them, and then re-conduct the test after consultation between the contractor and the ordering party. After re-inspection, if major defects occur again, the batch of products shall be judged as unqualified. 4.5.4 Unqualified
If the C group inspection fails, acceptance and delivery shall be stopped, and the contractor shall notify the qualified appraisal unit of the unqualified situation. After taking corrective measures, the contractor shall notify the qualified appraisal unit of the unqualified situation.1 Responsibility for Conformity
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality assurance program. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection categories
The inspection categories specified in this specification are:
a. Identification inspection (type inspection);
b. Quality consistency inspection.
4.3 Inspection conditions
4.3.1 Unless otherwise specified, the standard atmospheric conditions for the test shall comply with the provisions of Article 3.1 of GJB150.1. 4.3.2 Unless otherwise specified, the allowable error of the test conditions shall comply with the provisions of Article 3.2 of GJB150.1. 4.3.3 Unless otherwise specified, the test instruments and meters shall comply with the provisions of Article 3.2 and Article 3.3 of GJB150.1. 4.3.4 The identification test shall be carried out in an approved laboratory. The samples used shall be products drawn from normal production. 4.4 Appraisal inspection (type test)
4.4.1 Appraisal inspection items are shown in Table 4
Inspection or test items
Appearance quality
Required clause number
Inspection or test method
Legal clause number
Appraisal inspection
Quality consistency inspection
Inspection or test items
Design and structure
Required clause number
3.7, 3.11.5
3.7, 3.11.7
3.7, 3.11.6
Note: ①● represents mandatory items,
CB1340-98
Continued Table 4
Inspection or test method
Legal clause number
4. 6.2、4.6.3
②○ represents optional items (agreed by the contractor and the ordering party). 4.4.2
Qualification criteria shall be in accordance with the requirements of product specifications.
Qualification inspection
Quality consistency inspection
4.4.3 The contractor shall submit test data in accordance with the provisions of the contract (or product specifications) to maintain the qualification for qualification. 4.5 Quality consistency inspection
Quality consistency inspection is generally divided into Group A and Group C inspection. 4.5.1 Sampling plan
4.5.1.1 In the quality consistency inspection, the inspection items of Group A shall be inspected one by one. nm
4.5.1.2 Samples for Group C inspection shall be drawn from products that have passed the Group A inspection, and the sampling plan shall be carried out in accordance with the provisions of General Inspection Level I in GJB179A (see Table 5).
Batch range
Sample size
4.5.2 Acceptable quality level
Acceptable quality level AQL shall be specified in the corresponding product specifications or contracts. 4.5.3 Handling of defects in quality consistency inspection 26~90
a. If minor defects occur in
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