BS-ISO-7388-3-2007.pdf
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1、BRITISH STANDARD BS ISO 7388-3:2007 Tool shanks with 7/24 taper for automatic tool changers Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF ICS 25.060.20 ? Licensed Copy: London South Bank University, London South Bank University, Fri Oct 05 02:30:40 GMT+00:00 2007, Unc
2、ontrolled Copy, (c) BSI BS ISO 7388-3:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 September 2007 BSI 2007 ISBN 978 0 580 56724 7 National foreword This British Standard is the UK implementation of ISO 7388-3:2007. The UK participa
3、tion in its preparation was entrusted to Technical Committee MTE/1, Machine tools. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its
4、 correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Oct 05 02:30:40 GMT+00:00 2007, Uncontrolled Copy, (c) BSI
5、Reference number ISO 7388-3:2007(E) INTERNATIONAL STANDARD ISO 7388-3 First edition 2007-08-01 Tool shanks with 7/24 taper for automatic tool changers Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF Queues doutils conicit 7/24 pour changement automatique doutils Partie
6、3: Tirettes pour queues de formes AC, AD, AF, UC, UD, UF, JD et JF BS ISO 7388-3:2007 Licensed Copy: London South Bank University, London South Bank University, Fri Oct 05 02:30:40 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ii Licensed Copy: London South Bank University, London South Bank University
7、, Fri Oct 05 02:30:40 GMT+00:00 2007, Uncontrolled Copy, (c) BSI iii 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 technic
8、al 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 organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely wi
9、th the International 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 2. The main task of technical committees is to prepare International Standards. Draft Inte
10、rnational 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 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document ma
11、y be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 7388-3 was prepared by Technical Committee ISO/TC 29, Small tools. ISO 7388 consists of the following parts, under the general title Tool shanks with 7/24 taper for automatic tool
12、changers: Part 1: Dimensions and designation of shanks of forms A, AD, AF, U, UD and UF Part 2: Dimensions and designation of shanks of forms J, JD and JF Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF BS ISO 7388-3:2007 Licensed Copy: London South Bank University, Lon
13、don South Bank University, Fri Oct 05 02:30:40 GMT+00:00 2007, Uncontrolled Copy, (c) BSI iv Introduction The aim of ISO 7388 is to integrate existing standards which are most commonly used as an industrial standard. In addition, the different developments for cooling and data chip have been taken i
14、nto account. BS ISO 7388-3:2007 Licensed Copy: London South Bank University, London South Bank University, Fri Oct 05 02:30:40 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 1 Tool shanks with 7/24 taper for automatic tool changers Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD a
15、nd JF 1 Scope This part of ISO 7388 specifies the dimensions of retention knobs for tool shanks with a 7/24 taper of shank forms A, AD, AF, UC, UD, UF, JD and JF, for automatic tool changers, used on machines having an automatic gripping system for feeding tools from the magazine to the spindle and
16、vice-versa. These tools are designed with the most important dimensions for use in spindle noses according to ISO 9270. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated
17、references, the latest edition of the referenced document (including any amendments) applies. ISO 1629, Rubber and latices Nomenclature ISO 2768-1, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications ISO 2768-2, General tolerances Part 2:
18、Geometrical tolerances for features without individual tolerance indications ISO 8015, Technical drawings Fundamental tolerancing principle 3 Dimensions 3.1 General All dimensions and tolerances are given in millimetres; tolerancing is according to ISO 8015. Tolerances not specified shall be of tole
19、rance class “m” in accordance with ISO 2768-1 and of class “k” in accordance with ISO 2768-2. 3.2 Retention knobs, shank form AD, for centric inner cooling lubricant supply See Figure 1 and Table 1. BS ISO 7388-3:2007 Licensed Copy: London South Bank University, London South Bank University, Fri Oct
20、 05 02:30:40 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 2 a Thread undercut, at the manufacturers discretion. b Chamfered end (CH), according to ISO 4753. Figure 1 Retention knob Form AD Centric inner cooling supply Table 1 Retention knobs Form AD Dimensions Dimension d1 d2 d3 d4 d5 d7 l1 l2 l3 l4 l
21、5 l6 l12 s Shank no. f7 f7 0 0,2 0 0,1 0,1 0 + 0,1 0,1 0,5 0 + min. 0 0,1 30 13 13 17 9 M12 44 24 19 20 4 5 10 14 40 19 17 23 14 7 M16 54 26 20 28 4 7 13 19 45 23 21 30 17 9,5 M20 65 30 23 35 5 8 16 24 50 28 25 36 21 11,5 M24 74 34 25 40 5 10 19 30 60 40 32 52 30 14 M30 90 40 30 50 6 12 24 46 BS ISO
22、 7388-3:2007 Licensed Copy: London South Bank University, London South Bank University, Fri Oct 05 02:30:40 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 3 3.3 Retention knobs, shank form AF, without cooling lubricant supply See Figure 2 and Table 2. Other dimensions are as for shank form AD. Figure 2
23、Retention knob Form AF Without cooling lubricant supply Table 2 Retention knobs Form AF Dimensions Dimension Shank no. d1 f7 d6 h11 l7 0 0,1 l8 0,2 0 + l9 1 0 + O-ring 30 13 11,5 2,3 1,4 11 1,0 40 19 14,6 3,0 1,9 27 14 1,5 45 23 17,8 3,3 2,5 33 17 2,0 50 28 20,8 4,5 3,0 37 20 2,5 60 40 27,8 5,5 3,0
24、45 27 2,5 BS ISO 7388-3:2007 Licensed Copy: London South Bank University, London South Bank University, Fri Oct 05 02:30:40 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 4 3.4 Retention knobs, shank form UD, for centric inner cooling lubricant supply See Figure 3 and Table 3. a Thread undercut, at the
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