BS-7568-7-1992 ISO-6752-1984.pdf
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1、BRITISH STANDARD BS 7568-7: 1992 ISO 6752:1984 Press tools Part 7: Round punches with 60 conical head and straight shank Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:35:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7568-7:1992 This British Standard, hav
2、ing been prepared under the direction of the Machine, Engineers and Hand Tools Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 1 May 1992 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference MT
3、E/12 Draft for comment 82/79515 DC ISBN 0 580 20773 0 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Machine, Engineers and Hand Tools Standards Policy Committee (MTE/-) to Technical Committee MTE/12, upon which the following bodies wer
4、e represented: Advanced Manufacturing Technology Research Institute Amalgamated Engineering Union Gauge and Tool Makers Association Coopted member Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:35:12 G
5、MT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7568-7:1992 BSI 10-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope and field of application1 2References1 3Dimensions2 4Material and hardness3 5Designation3 Publication(s) referred toInside back cover Licensed Copy:
6、 London South Bank University, London South Bank University, Fri Dec 08 11:35:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7568-7:1992 ii BSI 10-1999 National foreword This Part of BS 7568 has been prepared under the direction of the Machine, Engineers and Hand Tools Standards Policy Committee.
7、It is identical with ISO 6752:1984 “Round punches with 60 conical head and straight shank”, prepared by Technical Committee ISO/TC29, Small tools, and published by the International Organization for Standardization (ISO). Cross-references The Technical Committee has reviewed the provisions of ISO/R
8、80 and ISO 4957:1980 to which normative reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their c
9、orrect application. 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, pages 1 to 4, an inside back cover and a back cover. This standard has been updated (see co
10、pyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:35:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7568-7:1992 BSI 10-19991 1 Sco
11、pe and field of application This International Standard specifies the basic dimensions in millimetres of round punches with 60 conical head and straight shank in the diameter range of 0,5 to 15 mm. It gives as examples materials and hardness, and specifies designation of punches according to this In
12、ternational Standard. The main use of punches as defined in this International Standard is for punching holes in steel sheet. They may also be used when punching holes in other materials. 2 References ISO/R 80, Rockwell hardness test (B and C scales) for steel. ISO 4957, Tool steel. Licensed Copy: L
13、ondon South Bank University, London South Bank University, Fri Dec 08 11:35:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7568-7:1992 2 BSI 10-1999 3 Dimensions Dimensions in millimetres D1D2HD1D2HD1D2H h6h6h6 0,50,90,21,92,80,56,380,5 0,5510,2230,56,791 0,61,10,22,13,20,57,191 0,651,20,22,23,20,
14、57,5101 0,71,30,22,43,50,58101 0,751,30,22,53,50,58,5111 0,81,40,42,640,59111 0,851,40,42,840,59,5121 0,91,60,434,50,510121 0,951,60,43,24,50,510,5131 11,80,53,44,50,511131 1,051,80,53,650,512141 1,11,80,53,850,512,5151 1,220,545,50,513151 1,2520,54,25,50,514161,5 1,320,54,560,515171,5 1,42,20,54,86
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