BS-A-332-1999 ISO-9152-1998.pdf
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1、BRITISH STANDARD AEROSPACE SERIES BS A 332:1999 ISO 9152:1998 Aerospace Bolts, with MJ threads, in titanium alloys, strength class 1 100 MPa Procurement specification ICS 49.030.20 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:36:54 GMT+00:00 2006, Uncontro
2、lled Copy, (c) BSI BS A 332:1999 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 January 1999 BSI 07-1999 ISBN 0 580 32045 6 National foreword This British St
3、andard reproduces verbatim ISO 9152:1998 and implements it as the UK national standard. The UK participation in its preparation was entrusted by Technical Committee ACE/12, Aerospace fasteners and fastening systems, to Subcommittee ACE/12/1, Aerospace fasteners and fastening systems (International),
4、 which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate
5、 them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the sect
6、ion entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application.
7、 Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the ISO title page, pages ii to iv, pages 1 to 22 and a back cover. This standard has been updated (see copyri
8、ght date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:36:54 GMT+00:00 2006, Uncontr
9、olled Copy, (c) BSI BS A 332:1999 BSI 07-1999i Contents Page National forewordInside front cover Forewordiii Text of ISO 91521 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:36:54 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: London Sout
10、h Bank University, London South Bank University, Sat Dec 09 03:36:54 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:36:54 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS A 332:1999 ii BSI 07-1999 Contents Page Forewor
11、diii 1Scope1 2Normative references1 3Terms and definitions1 4Quality assurance2 4.1General2 4.1.1Approval of manufacturers2 4.1.2Qualification of bolts2 4.1.3Acceptance of bolts2 4.2Qualification inspection conditions2 4.3Acceptance inspection conditions3 4.4Use of “Statistical process control (SPC)
12、”3 5Requirements3 Annex A (informative) Cross sectional areas and formulae for tensile and tension fatigue loads21 Annex B (informative) Cross sectional areas and formulae for double shear loads21 Figure 1 Distortion in head to shank fillet area17 Figure 2 Head to shank grain flow17 Figure 3 Metallu
13、rgical test pieces18 Figure 4 Grain flow in threads 18 Figure 5 Not permissible laps, seams and surface irregularities in threads19 Figure 6 Permissible laps and seams in threads 19 Figure 7 Permissible surface irregularities in threads 20 Figure 8 Thread discontinuities 20 Table 1 Requirements and
14、test methods4 Table 2 Summary of inspections for qualification and allocation of bolt samples10 Table 3 Classification of defects11 Table 4 Sampling plans for visual inspections and dimensional characteristics12 Table 5 Minimum loads for tensile and double shear tests13 Table 6 Sampling plans for th
15、e inspection of mechanical and metallurgical characteristics13 Table 7 Variable sampling for tensile and shear tests14 Table 8 Tension fatigue test loads15 Table 9 Recess wrenching torque15 Table 10 Discontinuities16 Table 11 Thread discontinuities16 Table A.121 Table B.121 Descriptors: Aircraft ind
16、ustry, fasteners, MJ threads, titanium alloys, bolts, procurements, specifications, characteristics, mechanical properties, tests, mechanical tests, quality assurance, qualification. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:36:54 GMT+00:00 2006, Uncont
17、rolled Copy, (c) BSI BS A 332:1999 BSI 07-1999iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each
18、 member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Internationa
19、l Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for
20、voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 9152 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 4, Aerospace fastener systems. Annex A and Annex B of t
21、his International Standard are for information only. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:36:54 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv blank Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:36:54 GMT+0
22、0:00 2006, Uncontrolled Copy, (c) BSI BS A 332:1999 BSI 07-19991 1 Scope This International Standard specifies the characteristics and quality assurance requirements for MJ threads bolts made in titanium alloy, of strength class 1 100 MPa, for aerospace construction. It is applicable whenever it is
23、referenced in a definition document. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do
24、not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Memb
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