BS ISO 14278-2002 Aerospace - Gauges for internal offset cruciform ribbed or unribbed drives - Metric series《航空航天 内偏置十字槽加肋或无肋传动装置的量规 公制系列》.pdf

1、BRITISH STANDARD BS ISO 14278:2002 Aerospace Gauges, for internal offset cruciform ribbed or unribbed drives Metric series ICS 49.030.20 BS ISO 14278:2002 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the

2、authority of the Standards Policy and Strategy Committee on 6 August 2002 BSI 6 August 2002 ISBN 0 580 40196 0 National foreword This British Standard reproduces verbatim ISO 14278:2002 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical

3、Committee ACE/12/1, Aerospace fasteners, fastening systems, details and parts (International), which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publ

4、ications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the ne

5、cessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the in

6、terpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 8, an inside

7、 back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments Reference number ISO 14278:2002(E)INTERNATIONAL STANDARD ISO 14278 First edition 2002-06-15 Aerospace Gauges, for in

8、ternal offset cruciform ribbed or unribbed drives Metric series Aronautique et espace Calibres de contrle, pour empreintes cruciformes dportes avec ou sans saillies antidrapantes Srie mtrique BSISO14278:2002IS:87241 O2002(E) lcsid FDParemi ihTs PDF file mc yatnoaie nmt deddebyfepca.se Icca ncnadrow

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13、 av leT. 4 + 10 947 22 1 11 xaF0 947 22 14 + 9 74 E-mial coirypthgis.oc h Web ww.wiso.ch ii ISO 2002 Allr ithgsr esedevrBSISO14278:2002iiIS:87241 O2002(E) I SO 2002 All irthgs ersedevr iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standard

14、s bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organiz

15、ations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in

16、the ISO/IEC Directives, Part 3. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % o

17、f the member bodies casting a vote. ISO 14278 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 4, Aerospace fastener systems. BSISO14278:2002iiiIS:87241 O2002(E) vi I SO 2002 All irthgs ersedevrIntroduction The International Organization for Standardization

18、 (ISO) draws attention to the fact that it is claimed that compliance with this International Standard may involve the use of a patent concerning gauges specified in this International Standard. Patent rights are held by the Phillips Screw Company worldwide. ISO takes no position concerning the evid

19、ence, validity and scope of this patent right. The holder of this patent right has assured the ISO that he is willing to negotiate licences under reasonable and non-discriminatory terms and conditions with applicants throughout the world. In this respect, the statement of the holder of this patent r

20、ight is registered with the ISO. Information may be obtained from: Phillips Screw Company 508 Edgewater Drive Wakefield, MA 01880 USA Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights other than those identified above.

21、ISO shall not be held responsible for identifying any or all such patent rights. BSISO14278:2002ivINTENRATIONAL TSANDADR IS:87241 O2002(E)I SO 2002 All irthgs ersedevr 1Aerospace Gauges, for internal offset cruciform ribbed or unribbed drives Metric series 1 Scope This International Standard specifi

22、es the dimensions of metric gauges which check internal offset cruciform drives, ribbed or unribbed, used in metric screws in the nominal thread diameter range of 1,6 mm to 20 mm. The internal offset cruciform drives, ribbed drives and unribbed, respectively are defined in ISO 14275 and ISO 14276. 2

23、 Configuration and dimensions See Figures 1, 2 and 3 and Tables 1 and 2. Dimensions and tolerances are expressed in millimetres. The presentation of surface-profile, perpendicularity, location and run-out tolerances conforms to ISO 1101. 3 Designation The GO and NOT GO gauge designation shall be as

24、follows: The component part designation shall be as follows: The drive penetration gauge assembly (see Figure 3) shall be identified by the gauge body designation. BSISO14278:20021IS:87241 O2002(E) 2 I SO 2002 All irthgs ersedevrGauges made from heat-treatable corrosion-resisting steel and heat-trea

25、ted to a hardness of 58 HRC to 62 HRC. Figure 1 Configuration Drive GO (A) and NOT GO (C) gauges BSISO14278:20022IS:87241 O2002(E) I SO 2002 All irthgs ersedevr 3Table 1 Dimensions Drive GO and NOT GO gauges B F G H R S T Y Drive GO and NOT GO gauge code Gauge type A ref. max. 0 0,003 0,03 0,25 max.

26、 0 0,05 0,03 0 +0,05 0 +Drive GO and NOT GO gauge code inches aR1,6A GO 0,81 0,406 0,96 6,35 0A R1,6C NOT GO 0,917 0,46 1,65 7,92 0C R2A GO 0,81 0,406 1,14 6,35 1A R2C NOT GO 0,917 0,46 1,96 7,92 1C R2,5A GO 0,912 0,457 1,52 6,35 3A R2,5C NOT GO 1,069 0,1 0,536 2,64 9,52 0,13 3C R3A GO 1,013 0,508 1

27、,73 6,35 4A R3C NOT GO 1,171 0,587 3,05 9,52 0,18 0,74 1,12 4C R3,5A GO 1,318 0,66 2,11 6,35 6A R3,5C NOT GO 1,476 0,15 0,739 3,4 11,12 0,86 1,37 6C R4A GO 1,572 0,787 2,46 6,35 8A R4C NOT GO 1,73 0,866 4,04 11,12 0,38 1,07 1,57 8C R5A GO 1,826 0,914 2,84 6,35 10A R5C NOT GO 1,984 0,23 0,993 4,34 1,

28、27 1,78 10C R6A GO 2,436 1,219 3,76 11,12 1/4A R6C NOT GO 2,593 1,298 5,72 15,88 0,56 1,75 2,26 1/4C R8A GO 3,096 1,549 4,72 11,12 5/16A R8C NOT GO 3,254 1,628 7,16 15,88 2,31 2,95 5/16C R10A GO 3,706 1,854 5,64 11,12 3/8A R10C NOT GO 3,863 0,36 1,933 8,58 0,76 2,84 0,1 3,48 3/8C R12A GO 4,976 2,489

29、 7,47 15,88 1/2A R12C NOT GO 5,184 2,593 11,43 19,05 3,89 0,11 4,52 1/2C R14A GO 5,636 2,819 8,38 17,48 9/16A R14C NOT GO 5,844 2,924 12,85 19,05 4,34 5,1 9/16C R16A GO 6,246 3,124 9,32 17,48 5/8A R16C NOT GO 6,454 3,228 14,27 19,05 4,85 0,14 5,61 5/8C R18A GO 7,516 3,759 11,12 25,4 3/4A R18C NOT GO

30、 7,724 0,51 3,863 17,14 31,75 1,02 5,92 0,18 6,68 3/4C aFor information and comparison purposes only. BSISO14278:20023IS:87241 O2002(E) 4 I SO 2002 All irthgs ersedevrBreak sharp edges 0,1 to 0,4. a) Gauge body bb) Gauge holder bBSISO14278:20024IS:87241 O2002(E) I SO 2002 All irthgs ersedevr 5c) Gau

31、ge point assembly bd) Gauge collar bKey 1 Gauge point 2 Gauge holder aShape at manufacturers option. bThe body, holder and collar, but not gauge point, shall be made from corrosion-resistant steel 440C and heat-treated to a hardness of 30 HRC to 35 HRC. cConfiguration of gauge point in conformity wi

32、th Figure 1, drive gauge type GO (A) machined to dimension F. dSecure the gauge point to the holder using adhesive Eastman 910 or equivalent. (Eastman 910 is the trade name of a suitable product available commercially. This information is given for the convenience of users of this International Stan

33、dard and does not constitute an endorsement by ISO of this product.) Figure 2 Configuration Drive penetration gauge component parts BSISO14278:20025IS:87241 O2002(E) 6 I SO 2002 All irthgs ersedevr Table 2 Dimensions Drive penetration gauge component parts A B C E F G H J K M N P Q S T U Component p

34、art code 0 0,013 0,41 0,41 0,03 0,13 0,05 0 +0,41 0 + 0,41 0,03 0 + 0,41 0,13 0 +0,05 0 + 0,41 0,41 0 0,013 0,41 Component part code inches aR1,6 1,85 0 R2 0,86 2,21 0,84 1 R2,5 0,96 2,95 0,94 3 R3 1,07 3,33 1,04 4 R3,5 1,37 4,06 1,35 6 R4 1,62 4,83 1,60 8 R5 9,512 21,44 12,70 1,88 12,95 5,56 0,79 2

35、2,22 9,52 3,18 47,02 1,85 4,78 10 R6 2,49 7,26 2,46 1/4 R8 3,15 9,07 3,12 5/16 R10 3,76 10,85 6,35 3,73 3/8 R12 5,03 14,43 5,00 1/2 R14 5,69 16,21 5,66 9/16 R16 19,037 18,26 6,30 20,32 17,98 1,57 31,75 19,05 6,27 3,18 19,037 1,57 5/8 R18 28,562 15,88 9,52 7,57 21,59 21,56 2,77 50,80 28,58 3,18 44,45

36、 7,54 7,92 6,35 28,562 3,18 3/4 aFor information and comparison purposes only. BSISO14278:20026IS:87241 O2002(E) I SO 2002 All irthgs ersedevr 7a) Components b) Zero position determination Key 1 Dial indicator AMES Model 214-25J or equivalent Graduations: 0,01 Range: 25 Continuous dial reading count

37、er-clockwise with revolution counter 2 Gauge collar 3 Spring Material: corrosion-resisting steel Size: diameter 7,62 25,4 long Wire diameter: 0,66 Ends: squared and ground 4 Gauge point assembly 5 Setscrew M6-4g6g 8 long, hexagon socket, plain cup point 6 Gauge body 7 Gauge body identification marki

38、ng Figure 3 Configuration Drive penetration gauge assembly BSISO14278:20027IS:87241 O2002(E) 8 I SO 2002 All irthgs ersedevrBibliography 1 ISO 1101: 1) , Geometrical Product Specifications (GPS) Geometrical tolerancing Tolerances of form, orientation, location and run-out 2 ISO 14275:2002, Aerospace

39、 Drives, internal, offset cruciform, ribbed Metric series 3 ISO 14276:2002, Aerospace Drives, internal, offset cruciform Metric series 1) To be published. (Revision of ISO 1101:1983) BSISO14278:200282002:87241OSISB9BS ISO 14278:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Inst

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