1、BRITISH STANDARD BS5912:1980 ISO4203:1978 Specification for Dimensions of driving tenons and sockets for parallel shank drills and machine reamers ISO title: Parallel shank tools Driving tenons and sockets Dimensions UDC 621.951.452-229.211:621.9.042-233.12BS5912:1980 This BritishStandard, having be
2、en prepared under the directionof the Mechanical Engineering Standards Committee, was published underthe authority of the Executive Board and comes intoeffect on 30 April1980 BSI11-1999 The following BSI references relate to the work on this standard: Committee reference MEE/73 Draft for comment76/7
3、2748 DC ISBN 0 580 11223 3 Cooperating organizations The Mechanical Engineering Standards Committee, under whose direction this BritishStandard was prepared, consists of representatives from the following Government departments and scientific and industrial organizations: Associated Offices Technica
4、l Committee Department of Trade (Marine Division) Association of Consulting Engineers Department of Transport Association of Hydraulic Equipment Electricity Supply Industry in England and Manufacturers Wales Association of Mining, Electrical and Engineering Equipment Users Association Mechanical Eng
5、ineers Federation of Manufacturers of Construction British Compressed Air Society Equipment and Cranes British Electrical and Allied Manufacturers Health and Safety Executive Association (BEAMA) Institution of Gas Engineers British Gas Corporation Institution of Mechanical Engineers British Gear Man
6、ufacturers Association Institution of Plant Engineers British Internal Combustion Engine Institution of Production Engineers* Manufacturers Association Lloyds Register of Shipping British Pump Manufacturers Association London Transport Executive British Steel Corporation Machine Tool Industry Resear
7、ch Association* British Steel Industry Ministry of Defence* British Valve Manufacturers Association National Coal Board CBMPE Oil Companies Materials Association Chartered Institution of Building Services Process Plant Association Crown Agents for Oversea Governments and Railway Industry Association
8、 of Great Britain Administrations Society of Motor Manufacturers and Traders Department of Industry (Mechanical Limited Engineering) Telecommunications Engineering and Department of Industry (National Engineering Manufacturing Association (TEMA) Laboratory) Water-tube Boilermakers Association Depart
9、ment of the Environment (PSA) The organizations marked with an asterisk in the above list, together with the following, were directly represented on the committee entrusted with the preparation of this British Standard: Gauge and Tool Makers Association Twist Drill and Reamer Association Society of
10、British Aerospace Companies Limited Amendments issued since publication Amd. No. Date of issue CommentsBS5912:1980 BSI 11-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii 1 Scope and field application 1 2 Reference 1 3 Dimensions 1 4 Tolerance 1 Figure 1 1 Figur
11、e 2 2 Table 1 Dimensions of driving tenons for parallel shank tools 1 Table 2 Dimensions of sockets for parallel shank tools with driving tenons 2 Publications referred to Inside back coverBS5912:1980 ii BSI 11-1999 National foreword This BritishStandard, prepared under the direction of the Mechanic
12、al Engineering Standards Committee, is identical with ISO4203:1978 “Parallel shank tools Driving tenons and sockets Dimensions” published by the International Organization for Standardization (ISO). Terminology and conventions. The text of the International Standard has been approved as suitable for
13、 publication, without deviation, as a British Standard. Some terminology and certain conventions are not identical with those used in BritishStandards; attention is especially drawn to the following. The comma has been used as a decimal marker. In British Standards it is current practice to use a fu
14、ll point on the baseline as the decimal marker. Where the words “International Standard” appear, referring to this standard, they should be read as “BritishStandard”. Cross-reference. There is no BritishStandard corresponding exactly to ISO296:1974, to which reference is made in the text. For the pu
15、rposes of this standard the BritishStandard corresponding to ISO296 is BS1660, “Machine tapers, reduction sleeves and extension sockets”. For an explanation of the ISO system of limits and fits, including the meaning of the symbol h12 (see clause4), see BS4500 “ISO limits and fits” Part1 “General, t
16、olerances and deviations”. Typographical presentation. In preparing this standard for publication, the “rules” in Table 2 below the values of S and L under the heading No.2 and above the values of S and L under the heading No.4 have been positioned opposite the “rule” between the values11,80 and13,2
17、0in the left-hand column. (In the ISO publication, the “rules” under the headings No.2 and No.4 were printed slightly higher than their true positions.) A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their cor
18、rect 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, pagesi andii, pages1 and2, an inside back cover and a back cover. This standard has been updated (see copyrig
19、ht date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS5912:1980 BSI 11-1999 1 1 Scope and field of application This International Standard specifies the dimensions and tolerances of driving tenons and sockets for parallel shank d
20、rills and machine reamers. The illustrations are diagrammatic only and are not intended to indicate details of design. 2 Reference ISO296, Machine tools Self-holding tapers for tool shanks. 3 Dimensions 3.1 The dimensions for the driving tenons of parallel shank tools are given in Table 1. 3.2 The d
21、imensions for the sockets for parallel shank tools with driving tenons are given in Table 2. The external dimensions of the sockets shall be in accordance with ISO296 with the exception of the overall length and distance from the gauge plane, which shall be as shown in Table 2. The dimensions shown
22、in Table 1 and Table 2 are in metric units only, these being regarded as the only recommended dimensions in the future. 4 Tolerance The tolerance relating to width t of driving tenons for parallel shank tools is h12. Table 1 Dimensions of driving tenons for parallel shank tools Figure 1 Values in mi
23、llimetres Shank diameter range t l R max. above up to dimension tolerance (h12) 3,00 3,75 2,12 6,0 0,2 3,75 4,75 2,65 7,0 4,75 6,00 3,35 8,0 6,00 7,50 4,25 9,0 0,3 7,50 9,50 5,30 10,0 9,50 11,80 6,70 11,5 0,4 11,80 15,00 8,50 13,0 15,00 19,00 10,60 15,0 19,00 23,60 13,20 17,0 0,5 23,60 30,00 17,00 2
24、0,0 0 0,10 0 0,12 0 0,15 0 0,18BS5912:1980 2 BSI 11-1999 Table 2 Dimensions of sockets for parallel shank tools with driving tenons Figure 2 Values in millimetres Shank diameter range a 1min. l 1 l 2 Morse taper socket No.1 No.2 No.3 No.4 No.5 above up to S L S L S L S L S L 3,00 3,75 2,30 18 15 4,5
25、 66,5 3,75 4,75 2,90 20 16 4,75 6,00 3,60 22 17 6,0 81,0 6,00 7,50 4,50 25 19 7,50 9,50 5,60 28 21 6,0 100 9,50 11,80 7,00 32 23,5 11,80 13,20 8,90 35 25 13,20 15,00 9,5 127 15,00 19,00 11,00 40 28 19,00 23,60 13,60 45 31 11 160,5 23,60 30,00 17,50 50 33 BS5912:1980 BSI 11-1999 Publications referred
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