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GB/T 42861-2023: General specification for blind bulbed rivet
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| GB/T 42861-2023 | English | 419 |
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General specification for blind bulbed rivet
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GB/T 42861-2023
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Basic data | Standard ID | GB/T 42861-2023 (GB/T42861-2023) | | Description (Translated English) | General specification for blind bulbed rivet | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | V20 | | Classification of International Standard | 49.030.60 | | Word Count Estimation | 22,296 | | Date of Issue | 2023-08-06 | | Date of Implementation | 2024-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42861-2023: General specification for blind bulbed rivet---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 49.030.60
CCSV20
National Standards of People's Republic of China
General specifications for bulging blind rivets
Published on 2023-08-06
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
Preface III
1 Scope 1
2 Normative reference documents 1
3 Requirements 1
3.1 Size 1
3.2 Structure 1
3.3 Head concentricity 1
3.4 Installation 2
3.5 Flag 2
3.6 Material 3
3.7 Heat treatment 3
3.8 Surface treatment 3
3.9 Lubrication 3
3.10 Surface discontinuities3
3.11 Core rod ejection force 3
3.12 Shear force 4
3.13 Tensile force 4
3.14 Thin plate pull-off force 5
3.15 Fatigue strength5
3.16 Plate clamping force 5
3.17 Tensile force after installation on 10° inclined plane 5
3.18 Rod expansion 5
4 Inspection Rules 5
4.1 Inspection Category 5
4.2 Inspection conditions 6
4.3 Appraisal and inspection 6
4.4 Quality consistency inspection 7
4.5 Qualification criteria 8
5 Inspection methods 8
5.1 Size 8
5.2 Structure 8
5.3 Head concentricity 8
5.4 Installation 8
5.5 Flag 9
5.6 Surface treatment 9
5.7 Lubrication 9
5.8 Surface discontinuities 9
5.9 Core rod ejection force 9
5.10 Shear force10
5.11 Tensile force11
5.12 Thin plate pull-off force11
5.13 Fatigue strength12
5.14 Plate clamping force 13
5.15 Tensile force after installation on 10° inclined plane 14
5.16 Rod expansion15
6 Delivery requirements 16
6.1 Logo and packaging16
6.2 Certificate16
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed and coordinated by the National Aircraft Standardization Technical Committee (SAC/TC435).
This document was drafted by. China Aviation Technology Research Institute, Commercial Aircraft Corporation of China, Shanghai Aircraft Design and Research Institute,
China Aviation Industry Standard Parts Manufacturing Co., Ltd.
The main drafters of this document are. Hou Kun, Zheng Jianfeng, and Zhou Lei.
General specifications for bulging blind rivets
1 Scope
This document specifies the technical requirements, inspection rules, inspection methods and delivery of bulging blind rivets (hereinafter referred to as "blind rivets")
Require.
This document applies to the design, manufacturing, procurement and acceptance of bulging blind rivets.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 90.2 Fastener marking and packaging
GB/T 228.1 Tensile testing of metallic materials Part 1.Room temperature test methods
GB/T 3075 Axial force control method for fatigue testing of metallic materials
GB/T 6400 Shear test method for metallic materials, wires and rivets
HB/Z61 Penetration Inspection
HB/Z72 Magnetic Particle Inspection
3 requirements
3.1 Dimensions
Dimensions and tolerances are as specified in the corresponding product standards.
3.2 Structure
The core blind rivet is an assembly, consisting of a nail sleeve, a core rod, a lock ring and a driving gasket. The lock ring is pre-installed on the groove of the core rod. During the riveting process
, the driving gasket presses the lock ring, and the lock ring squeezes into the head cavity of the nail sleeve to form a self-locking and lock the core rod.
3.3 Head concentricity
The concentricity requirements between the blind rivet head and the stem are shown in Table 1.
Table 1 Head concentricity
Diameter specification code d0 countersunk head/mm convex head/mm
-4 0.254 0.254
-5 0.254 0.381
-6 0.254 0.381
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