1、March 2015 Translation by DIN-Sprachendienst.English price group 9No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 2
2、5.060.20!%V“2299751www.din.deDDIN ISO 7388-3Tool shanks with 7/24 taper for automatic tool changers Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JDand JF (ISO 7388-3:2013),English translation of DIN ISO 7388-3:2015-03Werkzeugschfte mit Kegel 7/24 fr automatischen Werkzeugwechs
3、el Teil 3: Anzugsbolzen fr Schfte der Formen AC, AD, AF, UC, UD, UF, JD und JF(ISO 7388-3:2013),Englische bersetzung von DIN ISO 7388-3:2015-03Queues doutils conicit 7/24 pour changement automatique doutils Partie 3: Tirettes pour queues de formes AC, AD, AF, UC, UD, UF, JD et JF(ISO 7388-3:2013),Tr
4、aduction anglaise de DIN ISO 7388-3:2015-03SupersedesDIN 69872:1988-07www.beuth.deDocument comprises 14 pagesIn case of doubt, the German-language original shall be considered authoritative.02.15 Contents PageNational Annex(informative) Bibliographyx . 4Introduction . 51 Scope .62 Normative referenc
5、es 63 Dimensions .63.1 General . 63.2 Retention knobs, shank form AD, for centric inner cooling lubricant supply 63.3 Retention knobs, shank form AF, without cooling lubricant supply . 73.4 Retention knobs, shank form UD, for centric inner cooling lubricant supply 83.5 Retention knobs, shank form UF
6、, without cooling lubricant supply . 93.6 Retention knobs for shank form JD with centric inner cooling supply .103.7 Retention knobs, shank form JF, without cooling lubricant supply 113.8 Retention knobs with data medium, forms AC and UC . 124 Material .125 O-ring .136 Designation .13Bibliography .1
7、4A comma is used as the decimal marker. DIN ISO 7388-3:2015-03 2National Foreword .3National foreword This document (ISO 7388-3:2013) has been prepared by Technical Committee ISO/TC 29 “Small tools” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the DIN-Nor
8、menausschuss Werkzeuge und Spannzeuge (DIN Standards Committee Tools and Clamping Devices), Working Committee NA 121-02-05 AA Werkzeugaufnahmen und Schnittstelle Maschine/Werkzeuge. DIN ISO 7388 consists of the following parts, under the general title Tool shanks with 7/24 taper for automatic tool c
9、hangers: 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 The DIN Standards corresponding to the International Standards ref
10、erred to in this document are as follows: ISO 1629 DIN ISO 1629 ISO 2768-1 DIN ISO 2768-1 ISO 2768-2 DIN ISO 2768-2 ISO 4753 DIN EN ISO 4753 ISO 8015 DIN EN ISO 8015 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN and/or DKE s
11、hall not be held responsible for identifying any or all such patent rights. Amendments This standard differs from DIN 69872:1988-07 as follows: a) retention knobs for shanks of form A has been replaced by retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF; b) designations and dime
12、nsions of retention knobs have been modified; c) Clause 5 on the O-ring to be included as part of the delivery has been added; d) the designation of a retention knob has been changed. Previous editions DIN 69872: 1982-06, 1985-11, 1988-07 DIN ISO 7388-3:2015-03 3 National Annex NA (informative) Bibl
13、iography DIN ISO 1629, Rubber and latices Nomenclature DIN ISO 2768-1, General tolerances Tolerances for linear and angular dimensions without individual tolerance indications DIN ISO 2768-2, General tolerances Geometrical tolerances for features without individual tolerances indications DIN EN ISO
14、4753, Fasteners Ends of parts with external ISO metric thread DIN EN ISO 8015, Geometrical product specifications (GPS) Fundamentals Concepts, principles and rules DIN ISO 7388-3:2015-03 4 IntroductionThe aim of ISO 7388 is to integrate existing standards which are most commonly used as an industria
15、l standard. In addition, the different developments for cooling and data chip have been taken into account.DIN ISO 7388-3:2015-03 5Tool 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 JF1 ScopeThis part of ISO 7388 specifi
16、es 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 vice-versa. These tools are designed with th
17、e most important dimensions for use in spindle noses according to ISO 9270.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated refe
18、rences, the latest edition of the referenced document (including any amendments) applies.ISO 1629, Rubber and latices NomenclatureISO 2768-1, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indicationsISO 2768-2, General tolerances Part 2: Geometr
19、ical tolerances for features without individual tolerance indicationsISO 8015, Geometrical product specifications (GPS) Fundamentals Concepts, principles and rules3 Dimensions3.1 GeneralAll dimensions and tolerances are given in millimetres; tolerancing is according to ISO 8015. Tolerances not speci
20、fied shall be of tolerance 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 supplyThe dimensions of retention knobs for shanks of form AD shall be in accordance with the dimensions shown in
21、Figure 1 and given in Table 1.DIN ISO 7388-3:2015-03 6 KeyaThread undercut, at the manufacturers discretion.bChamfered end (CH), according to ISO 4753.Figure 1 Retention knob Form AD Centric inner cooling supplyTable 1 Retention knobs Form AD DimensionsShank no.Dimensiond1d2d3d4d5d7l1l2l3l4l5l6l12sf
22、7 f7020, 010, 001+ ,0,1 0,1005+ ,min.010,30 13 13 17 9 M12 44 24 19 20 4 5 10 1440 19 17 23 14 7 M16 54 26 20 28 4 7 13 1945 23 21 30 17 9,5 M20 65 30 23 35 5 8 16 2450 28 25 36 21 11,5 M24 74 34 25 40 5 10 19 3060 40 32 52 30 14 M30 90 40 30 50 6 12 24 463.3 Retention knobs, shank form AF, without
23、cooling lubricant supplyThe dimensions of retention knobs for shanks of form AF shall be in accordance with the dimensions shown in Figure 2 and given in Table 2. Other dimensions are the same as that of shank form AD.DIN ISO 7388-3:2015-03 7 Figure 2 Retention knob Form AF Without cooling lubricant
24、 supplyTable 2 Retention knobs Form AF DimensionsShank no.DimensionO-ringd1f7d6h11l7010,l8002+ ,l901+30 13 11,5 2,3 1,4 11 1,040 19 14,6 3,0 1,9 27 14 1,545 23 17,8 3,3 2,5 33 17 2,050 28 20,8 4,5 3,0 37 20 2,560 40 27,8 5,5 3,0 45 27 2,53.4 Retention knobs, shank form UD, for centric inner cooling
25、lubricant supplyThe dimensions of retention knobs for shanks of form UD shall be in accordance with the dimensions shown in Figure 3 and given in Table 3.DIN ISO 7388-3:2015-03 8 KeyaThread undercut, at the manufacturers discretion.bChamfered end (CH), according to ISO 4753.Figure 3 Retention knob F
26、orm UD Centric inner cooling lubricant supplyTable 3 Retention knobs Form UD DimensionsShank no.Dimensiond1d2d3d4d5d7l1l2l3l4l5l6l10s030,h6 nom. tol.030, 001+ ,020, 030, 050, 050, 050,nom. tol.30 13,35 13 16,5050,9,3 4,15 M12 31,8 11,8 8,15 20 2,75 5 2,4 130270,40 18,95 17 22,51012,95 7,35 M16 44,4
27、16,4 11,15 28 3,25 7 3,5 180330,45 24,05 21 302016,3 9,25 M20 55,95 20,95 14,85 35 4,25 8 3,85 240390,50 29,1 25 37 19,6 11,55 M24 65,55 25,55 17,95 40 5,25 10 4,85 300650,60 37,25 32 50 24,95 13,85 M30 88,15 38,15 27,65 50 7,75 12 6,75 360750,3.5 Retention knobs, shank form UF, without cooling lubr
28、icant supplyThe dimensions of retention knobs for shanks of form UF shall be in accordance with the dimensions shown in Figure 4 and given in Table 4. Other dimensions are as for shank form UD.DIN ISO 7388-3:2015-03 9 Figure 4 Retention knob Form UF Without cooling lubricant supplyTable 4 Retention
29、knob Form UF DimensionsShank no.DimensionO-ringd1d6l7l8l9030,h11002+ ,30 13,35 11,5 2,3 1,4 11 1,040 18,95 14,6 3,0 1,9 27 14 1,545 24,05 17,8 3,3 2,5 33 17 2,050 29,1 20,8 4,5 3,0 37 20 2,560 37,25 27,8 5,5 3,0 45 27 2,53.6 Retention knobs for shank form JD with centric inner cooling supplyThe dime
30、nsions of retention knobs for shanks of form JD shall be in accordance with the dimensions shown in Figure 5 and given in Table 5.DIN ISO 7388-3:2015-03 10 KeyaThread undercut, at the manufacturers discretion.bChamfered end (CH), according to ISO 4753.c = 45 or = 60. This information should be given
31、 and taken over in the designation (see Clause 6).Figure 5 Retention knob Form JD Centric inner cooling supplyTable 5 Retention knobs Form JD DimensionsShank no.Dimensiond1d2d3d4d5d7l1l2l3l4l5l6l10l11l12r1s010,h7020, 010, 001+ ,6h010, 010, 010, 050, 0350,30 11 12,5 16,5 7 M12 43 23 18 20 5 4 2,5 3,5
32、 10 2 1340 15 17 23 10 M16 60 35 28 25 6 5 4 4 13 3 1945 19 21 31 14 7 M20 70 40 31 30 8 6 5 6 16 4 2450 23 25 38 17 8,5 M24 85 45 35 40 10 8 5 8 19 5 3060 32 31 56 24 12 M30 115 65 53 50 14 10 7 11 24 5 463.7 Retention knobs, shank form JF, without cooling lubricant supplyThe dimensions of retentio
33、n knobs for shanks of form JF shall be in accordance with the dimensions shown in Figure 6. Other dimensions are as for shank form JD.DIN ISO 7388-3:2015-03 11 Figure 6 Retention knob Form JF Without cooling lubricant supply3.8 Retention knobs with data medium, forms AC and UCFor shank forms AF and
34、UF without a hole, it is possible to install a data medium hole; AF then becomes AC and UF becomes UC.If a data medium hole is needed for form JF, the dimensions shall be defined by the manufacturer according to the data medium used. The location shall be as shown in Figure 7.See Figures 2 and 4 and
35、 Tables 2 and 4.The general dimensions are given in Table 6.Figure 7 Retention knob with data mediumTable 6 Fitting dimension of the data mediumbmax0,3 45 or R 0,3 ad8100009+ ,t4,6002+ ,aAt the manufacturers discretion.4 MaterialThe steel is chosen at the manufacturers discretion but shall have a te
36、nsile strength of at least 980 N/mm2and a hardness of from 55 HRC to 60 HRC.No area of the retention knob shall be through hardened.DIN ISO 7388-3:2015-03 12 5 O-ringThe O-ring shall be according to ISO 1629 and shall be included as part of the delivery.6 DesignationA retention knob in accordance wi
37、th this part of ISO 7388 shall be designated as follows:a) “Retention knob”;b) reference to this part of ISO 7388: “ISO 7388-3”;c) a dash;d) form AC, AD, AF, UC, UD, UF, JD, or JF;e) taper size;f) a dash;g) values, in degrees (45 or 60).NOTE f) and g) only apply for retention knobs for shank forms J
38、D and JF.EXAMPLE 1 Designation of a retention knob in accordance with ISO 7388-3, form AD, shank No. 40:Retention knob ISO 7388-3 AD40EXAMPLE 2 Designation of a retention knob in accordance with ISO 7388-3, form JD, shank No. 40 with an angle of 45:Retention knob ISO 7388-3 JD40 45DIN ISO 7388-3:201
39、5-03 13 Bibliography1 ISO 4753, Fasteners Ends of parts with external ISO metric thread2 ISO 9270-1, 7/24 tapers spindle noses for automatic tool changers Part 1: Dimensions and designation of spindle noses of forms S and SF3 ISO 9270-2, 7/24 tapers for spindle noses for automatic tool changers Part 2: Dimensions and designation of spindle noses of forms J and JFDIN ISO 7388-3:2015-03 14
