1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58dimensions for cutter arbors Metric seriesICS 25.100.20Milling cutters with tenon drive Interchange
2、ability BRITISH STANDARDBS ISO 2780:2006BS ISO 2780:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2007 BSI 2007ISBN 978 0 580 50284 2Amendments issued since publicationAmd. No. Date Commentscontract. Users are responsible fo
3、r its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.National forewordThis British Standard was published by BSI. It is the UK implementation of ISO 2780:2006. It supersedes BS 122-5:1986 which is withdrawn. The UK participation in its preparatio
4、n was entrusted to Technical Committee MTE/5, Engineers rotary cutting tools of high speed steel.A list of organizations represented on MTE/5 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a INTERNATIONALSTANDARDISO2780Third e
5、dition2006-12-01Reference numberISO 2780:2006(E)Milling cutters with tenon drive Interchangeability dimensions for cutter arbors Metric seriesFraises mtaux entranement par tenons Dimensions dinterchangeabilit avec les mandrins porte-fraise Srie mtriqueBS ISO 2780:2006iiiiiForewordISO (the Internatio
6、nal 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 ISOtechnical committees. Each member body interested in a subject for which a technical committee has beenest
7、ablished has the right to be represented on that committee. International organizations, governmental andnon-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the InternationalElectrotechnical Commission (IEC) on all matters of electrotechnical standardizat
8、ion.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 International Standardsadopted by the technical committees are circulated to the member bodies for voting. P
9、ublication as anInternational 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 may be the subject of patentrights. ISO shall not be held responsible for identifying any or all such patent
10、rights.ISO 2780 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 2, High speed steelcutting tools and their attachments.This third edition cancels and replaces the second edition (ISO 2780:1986), Table 2 of which has beentechnically revised.BS ISO 2780:2006blank1Milling cu
11、tters with tenon drive Interchangeability dimensions for cutter arbors Metric series1ScopeThis International Standard specifies the dimensions for interchangeability between milling cutters with tenondrive and the cutter seating of cutter arbors.It is applicable only to milling cutters of the metric
12、 series.It gives the interchangeability dimensions for: the milling cutters; the cutter seating on the arbor; the cutter retaining screw on the cutter arbor.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For datedreferences, only the
13、edition cited applies. For undated references, the latest edition of the referenced document(including any amendments) applies.ISO 240:1994, Milling cutters Interchangeability dimensions for cutter arbors or cutter mandrelsISO 2768-1, General tolerances Part 1: Tolerances for linear and angular dime
14、nsions without individualtolerance indications3 Dimensions3.1 GeneralAll dimensions and tolerances are given in millimetres. Tolerances not specified shall be of tolerance class m, inaccordance with ISO 2768-1.BS ISO 2780:200623.2 General layoutSee Figure 1.Key1 tenon drive cutter2 cutter retaining
15、screw on cutter arbor3 arbor spigotFigure 1 General layoutBS ISO 2780:200633.3 Interchangeability dimensions of cutterThe dimensions for the interchangeability of the cutter are shown in Figure 2 and given in Table 1.The tenon seatings shall be in accordance with ISO 240.aFor dimension , see ISO 240
16、.Figure 2 CutterTable 1 Interchangeability dimensions of cutteraH7 min min16 23 33 1822 30 41 2027 38 49 2232 45 59 2540 56 71 2850 67 91 31aRelief with diameter on the back face of the body is optional.r1d1d2d5l1+10d5BS ISO 2780:200643.4 Interchangeability dimensions of seating of cutter on arborTh
17、e dimensions for the interchangeability of the seating of the cutter on the arbor are shown in Figure 3 andgiven in Table 2.The tenon seatings shall be in accordance with the metric series of ISO 240.aFor dimension , see ISO 240.Figure 3 Arbor spigotTable 2 Interchangeability dimensions of the seati
18、ngh6 min. min.16 M8 32 20 172 M104022197 282623 658302440M07034275 24904030rd3d4d6l2l301BS ISO 2780:200653.5 Interchangeability dimensions of the cutter retaining screw on the cutter arborThe dimensions for the interchangeability of the cutter retaining screw on the cutter arbor are shown in Figure
19、4and given in Table 3.The shape of the retaining screw head is at the option of the manufacturer, only the overall dimensions andhaving to be respected.Figure 4 Cutter retaining screw on cutter arborTable 3 Dimensions of cutter retaining screw on cutter arboramax. max.16 M8 20 16 622 M10 28 18 727 M
20、12 35 22 832 M16 42 26 940 M20 52 30 1050 M24 63 36 12aNominal diameter of spigot.d3d7d8l4e+30d8eBS ISO 2780:20066Bibliography1 ISO 2586:1985, Shell end mills with plain bore and tenon drive Metric seriesBS ISO 2780:2006blankBS ISO BSI389 Chiswick High RoadLondonW4 4AL2780:2006BSI British Standards
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