QJ 3199-2004 in English

General specification for chamber case of solid rocket motor

1 Scope

This specification specifies the requirements, quality assurance provisions and delivery preparation of chamber case of solid rocket motor made of metallic materials and filament-wound composite materials (hereinafter referred to as case).

This specification is applicable to the development, production, inspection (or test) and acceptance of cases.

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this code. For dated reference, subsequent amendments to (excluding any corrigendum), or revisions of, any of these publications do not apply. However, parties to agreements based on this specification are encouraged to investigate the possibility of applying the most recent editions of the documents indicated below. For undated references, the latest edition of the normative document referred to applies.

GBn 223-1984 Aluminium alloy forgings
GB/T 224-1987 Determination of depth of decarburization of steels
GB/T 228-1987 Metallic materials - Tensile testing at ambient temperature
GB/T 2577-1989 Test method for resin content of glass fiber reinforced plastics
GB/T 2649-1989 Methods of sampling for mechanical properties tests of welded joint
GB/T 2651-1989 Method of tensile test for welded joint
GB/T 2653-1989 Methods of bend and compression tests for welded joint
GB/T 3362-1982 Test method for tensile properties of carbon fiber strands
GJB 83-1986 High strength fibreglass yarn (S fibreglass yarn)
GJB 348-1987 Test method of tension properties of aromatic polyamide strands by impregnated method
GJB 1202-1991 Specification for 9621 asbestos and silica-filled butadiene-acrylonitrile rubber insulating material
GJB 1718-1993 Specification for electron beam welding
GJB 2057-1994 Specification for aluminium alloy LY19 forgings for aerospace
GJB 2909-1997 Specification for carbon fiber reinforced phenolic-NBR materials
GJB 3323-1998 Specification for welding wires of ultra-high strength steel for aerospace solid rocket motor
GJB 3324-1998 Specification for ultra-high strength steel plates and sheets for aerospace solid rocket motor

GJB 3325-1998 Specification for ultra-high strength steel forgings for aerospace solid rocket motor
QJ 175-1993 General technical requirements for fusion welding of ultra-high strength steel
QJ 262-1994 General technical requirements for sheet-metal pressing part
QJ 500A-1998 Specification for carbon steel forgings and alloy structural steel forgings
QJ 916-1985 Tensile test method for thermal insulation and lining materials in chamber of solid motor
QJ 972-1986 Technical specifications for electron beam welding
QJ 977A-1995 Provisions on re-inspection of nonmetallic materials
QJ 1367-1988 Bending test method for the chamber case of solid rocket motor
QJ 1368-1988 External-pressure test method for the chamber case of solid rocket motor
QJ 1386A-1995 Provisions on re-inspection of metallic materials
QJ 1392-1988 Internal-pressure test method for the chamber case of solid rocket motor
QJ 1412-1988 Axial compression test method for the chamber case of solid rocket motor
QJ 1488A-2004 General specification for chamber insulation, liner and stress release boot of solid rocket motor
QJ 1658A-1996 Methods of air tightness test for solid rocket motor
QJ 1842-1995 Technical specification for fusion welding of structural steel and stainless steel
QJ 2039-1991 Internal-pressure test method for the filament-wound chamber case of solid rocket motor
QJ 2142-1991 Heat treatment of ultra-high strength steel
QJ 3197.1-2004 Non-destructive detection method for filament-wound chamber case of solid rocket motor - Part 1: X ray detection
QJ 3197.2-2004 Non-destructive detection method for filament-wound chamber case of solid rocket motor - Part 2: Ultrasonic detection
QJ/Z 127-1984 Heat treatment of wrought aluminium alloy
JC/T 777-1985 Test method for tensile strength of preimpregnated roving

3 Requirements

3.1 General

The case shall meet all requirements specified in this specification and corresponding detailed specifications. If the requirements of this specification are inconsistent with the detailed specifications, the detailed specifications shall prevail.

 
3.2 Dimensions

3.2.1 The structural dimension (including the overall dimension, assembly dimension, interface dimension, etc.) and geometric tolerance shall meet the requirements of design documents.

3.2.2 The thickness distribution, dimension and deviation of each part of the insulation and stress release boot of the filament-wound composite case shall meet the requirements of design documents.

Foreword i
1 Scope
2 Normative references
3 Requirements
4 Quality assurance provisions
5 Delivery preparation
Annex A (Normative) Technical requirements for the manufacturing acceptance of spinning parts for chamber case of solid rocket motor