GB/T 42181-2022 English PDF

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GB/T 42181-2022: Test method for locking torque of aviation blind fasteners, threaded type, self-locking
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42181-2022	199	Add to Cart	3 days	Test method for locking torque of aviation blind fasteners, threaded type, self-locking	Valid

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Basic data

Standard ID: GB/T 42181-2022 (GB/T42181-2022)
Description (Translated English): Test method for locking torque of aviation blind fasteners, threaded type, self-locking
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V20
Classification of International Standard: 49.030.99
Word Count Estimation: 10,151
Date of Issue: 2022-12-30
Date of Implementation: 2023-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42181-2022: Test method for locking torque of aviation blind fasteners, threaded type, self-locking

---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 49.030.99 CCSV20 National Standards of People's Republic of China Test method for tightening torque of threaded blind rivets used in aviation threaded type, self-locking Posted on 2022-12-30 2023-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Aircraft Standardization Technical Committee (SAC/TC435). This document is drafted by. China Aviation Comprehensive Technology Research Institute, China Aviation Industry Corporation Chengdu Aircraft Design Institute, China Aviation Industry Corporation Air Industry Standard Parts Manufacturing Co., Ltd., Aerospace Seiko Co., Ltd. The main drafters of this document. Miao Shengpei, Wang Shanling, Zhang Hui, Yin Zhenbo, Xu Hao, Liang Hua. Test method for tightening torque of threaded blind rivets used in aviation

1 Scope

This document describes a test method for the tightening torque of threaded blind rivets for aerospace applications. This document applies to threaded extractors with at least four parts (nail body, nail sleeve, mandrel and drive nut) with a cross recess on the head of the nail body. Tightening torque test for core rivets.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 1800.2 Geometric Product Specifications (GPS) Limits and Fits Part 2.Standard Tolerance Classes and Limit Deviations of Holes and Shafts Bad table JJG269 Verification Regulations for Torsion Testing Machine

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Locking torque locking torque After the threaded blind rivet is installed, the torque of the relative rotation of the mandrel and the nail body without axial load.

4 General requirements

4.1 Test piece Threaded blind rivets using this document to measure the tightening torque shall contain at least four parts. nail body, nail sleeve, mandrel and drive nut. screw See Figure 1 for a schematic diagram of a threaded blind rivet. ......

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