BS-AU-50-3.4A-1980 ISO-4570-3-1980.pdf
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1、BRITISH STANDARD AUTOMOBILE SERIES BS AU 50-3.4a:1980 ISO 4570-3: 1980 Incorporating Amendment No. 1 Specification for Tyres and wheels Part 3: Valves Section 4a: Tyre valve threads 8V2, 10V1, 11V1, 13V2, 15V1, 16V1, 17V1, 17V2, 17V3, 19V1 and 20V1 UDC 629.113.012.551 396.2:621.882.082 Licensed Copy
2、: London South Bank University, London South Bank University, Sat Dec 09 01:52:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-3.4a:1980 This British Standard, having been prepared under the direction of the Automobile Standards Committee, was published under the authority of the Executive Bo
3、ard and comes into effect on 29 August 1980 BSI 02-2000 The following BSI references relate to the work on this standard: Committee reference AUE/4 Draft for comment 79/72787 DC ISBN 0 580 11574 7 Amendments issued since publication Amd. No.Date of issueComments 4122November 1982 Indicated by a side
4、line in the margin Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:52:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-3.4a:1980 BSI 02-2000i Contents Page National forewordii 1Scope and field of application1 2References1 3Designation1 4Profile2 5Thread
5、 gauging2 Table 1 Designation1 Table 2 Limit dimensions2 Table 2 Limiting dimensions3 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:52:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-3.4a:1980 ii BSI 02-2000 National foreword This Section of this Par
6、t of BS AU 50, prepared under the direction of the Automobile Standards Committee, is identical with ISO 4570-3:1980 “Tyre valve threads Part 3: Threads 8V2, 10V1, 11V1, 13V2, 15V1, 16V1, 17V1, 17V2, 17V3, 19V1, 20V1” published by the International Organization for Standardization (ISO). Sections 1,
7、 2 and 3 of this Part deal with valve dimensions. Other Parts of the standard are: Part 1: Tyres; Part 2: Wheels and rims. ISO 4570-3:1980 (E)/Erratum was implemented as Amendment No. 1 to this standard. Terminology and conventions. The text of the International Standard has been approved as suitabl
8、e for publication, without deviation, as a British Standard. Some terminology and certain conventions are not identical with those used in British Standards; attention is especially drawn to the following. Where the words “International Standard” appear, referring to this standard, they should be re
9、ad as “British Standard”. The comma has been used throughout as a decimal marker. In British Standards it is current practice to use a full point on the baseline as the decimal marker. The corresponding British Standard for ANSI Standard B1.2 is BS 919 “Screw gauge limits and tolerances” Part 4:1964
10、 “Limits of size for gauges for screw threads of Unified form, diameters ! in and larger”. It is technically equivalent to the ANSI Standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct applic
11、ation. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-reference International StandardCorresponding British Standard ISO 1502:1978BS 919 Screw gauge limits and tolerances Part 3:1968 Gauges for ISO metric screw threads (Technically equivalent) Sum
12、mary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 3 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed C
13、opy: London South Bank University, London South Bank University, Sat Dec 09 01:52:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-3.4a:1980 BSI 02-20001 1 Scope and field of application This International Standard specifies limit dimensions and tolerances for tyre valve threads 8V2, 10V1, 11V
14、1, 13V2, 15V1, 16V1, 17V1,17V2, 17V3, 19V1 et 20V1. 2 References ISO 1502, ISO general purpose metric threads Gauging. ANSI B1.2, Gauges and gauging for unified inch screw threads. 3 Designation The designations shall be as given in Table 1. Table 1 Designation Nominal dimension, mmDesignation 7,9 1
15、,0588V2 9,6 1,0010V1 11,1 1,27011V1 12,7 0,79413V2 15 1,0015V1 15,8 0,94116V1 17 1,0017V1 17,5 1,05817V2 17,5 1,58817V3 19 1,58819V1 20,5 1,0020V1 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:52:22 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-3.4a:1
16、980 2 BSI 02-2000 4 Profile Table 2 Limit dimensions (see Table 2) 5 Thread gauging 5.1 Threads 10V1, 15V1, 17V1 and 20V1 should be verified according to the specifications given below. The minimum and maximum values have been calculated to make it possible to apply the limit gauge inspection princi
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