CB 1319-1998 Torpedo and Warship Assembly Inspection Procedure CB1319-1998 Standard download decompression password: www.bzxz.net

China State Shipbuilding Corporation Departmental Standard
CB1319—98
Inspection rules for the warshot torpedo assembly
Inspection rules for the warshot torpedo assembly1998-03-20Issued
China State Shipbuilding Corporation
Implementation 1998-0801
1 Scope
1.1 Subject content
China State Shipbuilding Corporation Departmental Standard
Inspection rules for the warshot torpedo assembly
Inspection rules for fhe warshot torpedo assemblyCB1319—98
Classification number: U74
This standard specifies the requirements for assembly, inspection and troubleshooting of torpedoes and warshot mines (hereinafter referred to as warshot mines) during final assembly. 1.2 Scope of application
This standard applies to the inspection of the process of assembling a complete war mine from each compartment and its subordinate parts that have been assembled and debugged. 2 Reference documents
GJB551--88 Terminology of pyrotechnics
CB1278--95 Safety operation procedures for assembly of torpedo exploders QJ2137--91
Safety technical specifications for production test of aerospace pyrotechnic devices 3 Definitions
The pyrotechnic terms used shall comply with the provisions of GJB551. 4 General requirements
4.1 Site and environment
4.1.1 Site
The assembly of war mines shall be carried out in a special assembly room. The assembly room shall meet the following requirements: a. The assembly room shall be clean, dustproof, ventilated and free of harmful gases. No irrelevant equipment and debris shall be piled up; b. The floor of the assembly room shall be flat and smooth. Conductive rubber shall be laid on the floor of the operating site and well grounded. The general assembly operation area sign should be set up around the operation site;bzxZ.net
C. There should be a grounding wire in the general assembly room, and the grounding resistance value should not be greater than 4Ω. A grounding drop connected to the electrostatic discharge grounding wire should be set at the entrance of the general assembly room and the operation area;
d. The general assembly room should be equipped with a lightning protection device. The lightning protection device grounding wire and the electrostatic discharge grounding wire should not be on the same line. The distance between the two should be no less than 3m.
The general assembly room should be equipped with 220V and 380V AC power supplies. The switch should be an arc extinguishing type. The insulation performance of the line and switch is good. There should be no leakage.
Electricity phenomenon:
f. There should be hoisting equipment in the general assembly room, and the hoisting load should be no less than 2000kg. The power supply of the hoisting equipment should be reliably grounded:g. The general assembly room should be equipped with tap water and explosion-proof lighting fixtures:h. The assembly room should be equipped with fire-fighting equipment and should be regularly inspected and qualified; i. The assembly room should be equipped with air source, which should meet the requirements of the corresponding technical specifications; j. Fireworks are strictly prohibited in the assembly room.
4.1.2 Environment
Approved by China State Shipbuilding Corporation on March 20, 1998 and implemented on August 1, 1998
War Thunder assembly should be carried out in the following environment: a. The temperature in the assembly room should be 10-35℃; CB1319-98
b. The relative humidity in the assembly room should be kept within the range of 50%-75%; c. The air pressure is the ground atmospheric pressure;
d. There is no strong electromagnetic radiation.
4.2 Instruments, equipment and tools
4.2.1 Instruments
The type and performance of the test instruments used in the War Thunder assembly should meet the requirements of the corresponding technical specifications, and should be inspected and calibrated by the metrology department and be within the validity period of metrology verification.
4.2.2 Equipment
The equipment used in the final assembly of war torpedoes, such as torpedo vehicles, torpedo racks, pressurized or vacuum sealing test equipment and scales, shall all comply with the requirements specified in the corresponding technical specifications. They shall be calibrated or qualified and within the valid period of use. 4.2.3 Tools
Special tools for the final assembly of war torpedoes, such as torpedo compartment connection tools, connector disassembly and assembly tools and transfer tools, shall all be checked and in good condition. 4.3 Final assembly preparation
4.3.1 Personnel
4.3.1.1 Operators
The number of operators shall be 2 to 4 persons, one of whom shall be the main operator. All operators shall be trained and qualified. 4.3.1.2 Inspection and verification personnel
Special inspection and verification personnel shall be set up during the final assembly operation to check and verify that each operation step is correct. The inspection and verification personnel shall be familiar with the final assembly operating procedures of war torpedoes and shall be trained and qualified. 4.3.2 Documents
4.3.2.1 Assembly Operation Inspection and Verification Form
Before the assembly operation begins, the torpedo assembly inspection and verification form should be prepared. 4.3.2.2 Component Operation Inspection and Verification Form
Before the assembly operation begins, the operation inspection and verification forms for each compartment and each component of the torpedo to be installed should be checked to see if they are complete and filled out completely. Each operation inspection and verification form should have no missing items and should be signed completely. 4.3.3 Products
4.3.3.1 Component Integrity
According to the operation inspection and verification form for each compartment and each component of the torpedo, the actual number should match the number on the form. Each compartment and component should be assembled intact.
4.3.3.2 Interfaces
Check the integrity of pipe joints and cable connectors. The threads and sealing surfaces of pipe joints should be intact and free of rust, the cable connectors should be free of cracks, corrosion and damage, and the pins and sockets should be intact. 4.3.3.3 Appearance
The appearance of each compartment and each component of the torpedo should meet the requirements specified in the corresponding technical specifications. 4.4 Safety
4.4.1 Personnel
The assembly operator should wear anti-static work clothes, pure white gauze gloves, anti-static shoes, and protective glasses, and should be careful to touch the static discharge grounding wire or grounding rod with bare hands to discharge the static electricity at any time. 4.4.2 Products
4.4.2.1 Signs
The compartments equipped with explosives should be hung with a red sign with "×× installed". 2
4.4.2.2 Grounding
CB1319-98
Each compartment of the assembled war mines and the torpedoes with explosives and pyrotechnics before assembly should be connected to the static discharge grounding wire at the specified position. 4.4.2.3 Exploder
The exploder should be in a safe state before the war launch, and the exploder indicator window should display a full green background and a white "safe" character. 5 Detailed requirements
5.1 Assembly sequence and operation
5.1.1 Assembly sequence
The assembly of war mines must be carried out in the specified sequence. Two or more war mines should not be assembled at the same time in the same assembly room. 5.1.2 Assembly operation
5.1.2.1 Operation requirements
The operation of war mine assembly should be Follow the requirements and steps specified in the corresponding technical specifications. When performing the final assembly of the War Thunder, power supply equipment that is not related to the final assembly operation should be stopped. 5.1.2.2 Main operation items
5.1.2.2.1 Pipe and threaded connections
When tightening the compression nuts and threaded connectors with torque requirements, the tightening torque should meet the specified torque requirements. The position and direction of pipe joints and pipelines shall comply with the provisions of the corresponding technical specifications. The threaded connections of pyrotechnic parts shall be operated safely in accordance with the provisions of the corresponding technical specifications. 5.1.2.2.2 Cable connection
When connecting the cable plug and socket, the two fixing screws should be tightened alternately. When connecting plugs and sockets that are not connected by screws, pay attention to aligning the pins and sockets, and slowly press them tightly until they are connected. Fit. The cable position and direction shall comply with the provisions of the corresponding technical specifications. 5.1.2.2.3 Torpedo compartment section connection
When connecting the two compartment sections, the O-ring should be coated with 7057 lithium-based grease. The gap between the two sections and the radial unevenness of the two joint surfaces shall meet the requirements specified in the corresponding technical specifications.
5.2 Circuit inspection
If there are circuit inspection items. The circuit inspection shall be carried out in accordance with the provisions of the corresponding technical specifications, and the resistance value and voltage value of the circuit inspection shall meet the requirements specified in the corresponding technical specifications.
5.3 Functional inspection
If there are functional inspection items, the operation and inspection results of the functional inspection shall meet the requirements specified in the corresponding technical specifications. 5.4 Inspection of the circuit of the exploder mounting hole and installation of the exploder 5.4.1 Check the circuit of the explosion-proof installation socket
The circuit of the explosion-proof installation socket usually includes resistance, voltage and function inspection. The resistance value, voltage value and function inspection shall comply with the provisions of the corresponding technical specifications.
5.4.2 Installation of the explosion-proof device
a. The installation sequence and operation of the explosion-proof device shall comply with the requirements of the corresponding technical specifications, and the installation sequence shall not be reversed. b. The installation of the explosion-proof device shall comply with Article 5.2 of CB1278. 5.5 Inspection and operation after installation of the explosion-proof device
5.5.1 Requirements
a. After the explosion-proof device is installed, no power-on inspection or debugging of any project shall be carried out. b. After the explosion-proof device is installed, the operation safety shall comply with the provisions of Chapter 6 of QJ2137. 5.5.2 Full lightning insulation resistance and interconnection function inspection 5.5.2.1 Insulation resistance
The full lightning insulation resistance value shall meet the requirements specified in the corresponding technical specifications. 3
5.5.2.2 Connectivity
CB1319-98
The interconnection inspection results shall meet the requirements specified in the corresponding technical specifications. 5.5.3 Airtightness inspection
5.5.3.1 Inspection method
It is allowed to use vacuum or internal pressure for airtightness inspection. And it shall meet the requirements specified in the corresponding technical specifications. 5.5.3.2 Airtightness inspection requirements
5.5.3.2.1 Airtightness inspection by vacuum
The vacuum degree and holding time of the airtightness inspection by vacuum shall meet the requirements specified in the corresponding technical specifications. 5.5.3.2.2 Airtightness inspection by internal pressure
The pressure value and holding time of the airtightness inspection by internal pressure shall meet the requirements specified in the corresponding technical specifications. 5.5.4 Fueling
Thermodynamic torpedoes that need to be refueled after final assembly should be refueled in accordance with the relevant technical specifications. 5.5.5 Anti-corrosion treatment
Anti-corrosion treatment should be carried out in the final assembly room. During the anti-corrosion treatment, the torpedo is connected to the ground wire in the air. The procedure specified in the relevant technical specifications should be followed.
5.5.6 Installation of additional devices
The installation of additional devices such as the separation deceleration system of air-dropped torpedoes and the onboard release mechanism of wire-guided torpedoes should be carried out in accordance with the relevant technical specifications.
5.6 Fault isolation and elimination
5.6.1 Circuit fault
If any item in the circuit inspection fails, first check whether the test circuit connection is correct and whether the grounding is good. If it cannot be eliminated, replace the unqualified part and repeat the circuit inspection steps. 5.6.2 Fault of circuit of explosive installation hole socket
When the circuit of explosive installation hole socket fails to be inspected, the relevant components shall be inspected and eliminated separately, or new components shall be replaced. And the inspection procedure of the circuit of explosive installation hole socket shall be repeated. 5.6.3 Fault of insulation resistance and connectivity
If the insulation resistance fails to be qualified, the torpedo shall be disassembled according to the provisions of the corresponding technical specifications. The fault shall be found and eliminated or replaced with new parts. All assembly inspection procedures shall be carried out according to the provisions of the corresponding technical specifications. When the resistance of the connectivity inspection does not meet the requirements, the socket shall be cleaned first. And the connector shall be connected in place. If it cannot be eliminated, the cable connectors of each compartment shall be checked step by step to see if they are well connected and if there is any fault in the cable. Eliminate the fault or replace the parts. After the above faults are eliminated or new parts are replaced, the corresponding operation inspection procedures shall be repeated. 5.6.4 Fault of airtightness
When the airtightness inspection fails to be qualified, the sealing of each mounting hole and the tail shaft and the external connection part of the torpedo shall be checked to see if they are good. After eliminating the fault or replacing the new seal, the airtightness inspection shall be carried out again. Additional Notes:
This standard was proposed by the 61st Institute of China State Shipbuilding Corporation and drafted by the 75th Institute of China State Shipbuilding Corporation. The main drafters of this standard are Gu Changqing, Huang Zhengyi, Ma Jun, Jiang Shengfu, 4
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