1、BRITISH STANDARD BS122-4:1980 Incorporating Amendment No.1 Specification for Milling cutters Part 4: Screwed shank end mills and slot drillsBS122-4:1980 This British Standard, having been prepared under the directionof the Mechanical Engineering Standards Committee, was published underthe authority
2、of the Executive Board and comes intoeffect on 30September1980 BSI 10-1999 First published May1975 First revision September1980 The following BSI references relate to the work on this standard: Committee reference MEE/75 Draft for comment79/77051 DC ISBN 0 580 11582 8 Cooperating organizations The M
3、echanical Engineering Standards Committee, under whose direction this British Standard was prepared, consists of representatives from the following Government departments and scientific and industrial organizations: Associated Offices Technical Committee Department of Trade (Marine Division) Associa
4、tion 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 Engineers Federation of Manufacturers of Construction British
5、 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 Manufacturers Association Institution of Plant Engineers Brit
6、ish 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 Research Association* British Steel Industry Ministry of Defence
7、* British Valve Manufacturers Association Ltd National Coal Board Cbmpe Oil Companies Materials Association Chartered Institution of Building Services Process Plant Association Crown Agents for Oversea Governments and Society of Motor Manufacturers and Traders Administrations Limited Department of t
8、he Environment (PSA) Telecommunication Engineering and Department of Industry (Mechanical Manufacturing Association (TEMA) Engineering) Water-tube Boilermakers Association Department of Industry (National Engineering Laboratory) The organizations marked with an asterisk in the above list, together w
9、ith the following, were directly represented on the committee entrusted with the preparation of this British Standard: Gauge and Tool Makers Association Society of British Aerospace Companies Milling Cutter Association Limited Amendments issued since publication Amd. No. Date of issue Comments 3665
10、June1981 Indicated by a sideline in the marginBS122-4:1980 BSI 10-1999 i Contents Page Cooperating organizations Inside front cover 1 Scope 1 2 Dimensions and tolerances 1 Appendix A Dimensions and tolerances of end mills and slot drills in imperial units 14 Figure 1 Screwed shank 1 Figure 2 Screwed
11、 shank end mill: normal series 2 Figure 3 Screwed shank end mill: long series 4 Figure 4 Screwed shank slot drill: normal series 6 Figure 5 Screwed shank slot drill: long series 8 Figure 6 Screwed shank slot drill: ball nosed: normal series 10 Figure 7 Screwed shank slot drill: ball nosed: long seri
12、es 12 Figure 8 Screwed shank 14 Figure 9 Screwed shank end mill: normal series 15 Figure 10 Screwed shank end mill: long series 17 Figure 11 Screwed shank slot drill: normal series 19 Figure 12 Screwed shank slot drill: long series 21 Figure 13 Screwed shank slot drill: ball nosed: normal series 23
13、Figure 14 Screwed shank slot drill: ball nosed: long series 25 Figure 15 Screwed shank slot drill: straight flute 26 Table 1 Interchangeability dimensions for screwed shanks 1 Table 2 Dimensions of screwed shank end mills: normal series 3 Table 3 Dimensions of screwed shank end mills: long series 5
14、Table 4 Dimensions of screwed shank slot drills: normal series 7 Table 5 Dimensions of screwed shank slot drills: long series 9 Table 6 Dimensions of screwed shank slot drills: ball nosed: normal series 11 Table 7 Dimensions of screwed shank slot drills: ball nosed: long series 13 Table 8 Interchang
15、eability dimensions for screwed shanks 14 Table 9 Dimensions of screwed shank end mills: normal series 16 Table 10 Dimensions of screwed shank end mills: long series 18 Table 11 Dimensions of screwed shank slot drills: normal series 20 Table 12 Dimensions of screwed shank slot drills: long series 22
16、 Table 13 Dimensions of screwed shank slot drills: ball nosed: normal series 24 Table 14 Dimensions of screwed shank slot drills: ball nosed: long series 25 Table 15 Dimensions of screwed shank slot drills: straight flute 26BS122-4:1980 ii BSI 10-1999 A British Standard does not purport to include a
17、ll the necessary provisions of a contract. Users of British Standards are responsible for their correct 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 and
18、ii, pages1 to26 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS122-4:1980 BSI 10-1999 1 1 Scope This Part of BS122 specifies the dimensions and tolerances for sc
19、rewed shank end mills and slot drills. 2 Dimensions and tolerances 1) The dimensions and tolerances of screwed shank end mills, normal and long series and screwed shank slot drills, normal and long series, shall be as given in Table 1 to Table 7 and as illustrated in Figure 1 to Figure 7 respectivel
20、y. The dimensions and tolerances of screwed shank end mills, normal and long series, in imperial (inch) units and screwed shank slot drills, normal and long series, in imperial (inch) units are given in Appendix A, Table 8 to Table 15 and illustrated in Appendix A, Figure 8 to Figure 15, respectivel
21、y. Table 1 Interchangeability dimensions for screwed shanks 1) The cutter diameter tolerances in this Part of BS122 are not identical with those in Part3 of BS122. Figure 1 Screwed shank All dimensions are in millimetres. Shank diameter Minimum shank length Minimum thread length d 1 l 4 l 3 6 10 12
22、16 25 32 37.5 38 38 39 52.5 54 9.5 9.5 9.5 9.5 15 15BS122-4:1980 2 BSI 10-1999 NOTE 1Tolerances on d: up to38mm+0.063 0.013 over38mm+0.125 0 Figure 2 Screwed shank end mill: normal seriesBS122-4:1980 BSI 10-1999 3 Table 2 Dimensions of screwed shank end mills: normal series All dimensions are in mil
23、limetres. Cutter diameter Cut length Shank diameter Nominal length below chuck Overall length Thread length Cutter diameter Cut length Shank diameter Nominal length below chuck Overall length Thread length d l 1 d 1 l 2 L l 3 d l 1 d 1 l 2 L l 3 2.5 6.5 6 13.5 51 9.5 21 38 25 42.5 95 15 3 9.5 6 16.5
24、 54 22 41.5 25 46 98.5 3.5 12.5 6 19.5 57 23 4 24 4.5 25 44.5 25 49 101.5 5 16 6 23 60.5 26 43 5.5 28 46 25 52 104.5 6 30 6.5 16 10 22.5 60.5 32 49 25 55.5 108 7 15 34 7.5 18 10 25.5 63.5 35 52.5 25 58.5 111 8 36 8.5 21 10 28.5 66.5 38 55.5 25 62 114.5 9 40 58.5 25 65 117.5 9.5 42 60.5 10 44 63.5 25
25、 68 120.5 10.5 19 12 28.5 66.5 45 11 32 51 32 58.5 112.5 11.5 22.5 12 32 70 33 12 24 34 13 24.5 35 54 32 62 116 14 28.5 12 35 73 36 15 26.5 16 38 77 38 16 40 55.5 32 63.5 117.5 17 32 16 41 80 42 54 32 62 116 18 35 44 57 32 65 119 19 38 16 44.5 83.5 45 20 50 65 32 73 127 BS122-4:1980 4 BSI 10-1999 NO
26、TE 1Tolerances on d: up to38mm +0.063 0.013 over38mm +0.125 0 Figure 3 Screwed shank end mill: long seriesBS122-4:1980 BSI 10-1999 5 Table 3 Dimensions of screwed shank end mills: long series All dimensions are in millimetres. Cutter diameter Cut length Shank diameter Nominal length below chuck Over
27、all length Thread length Cutter diameter Cut length Shank diameter Nominal length below chuck Overall length Thread length d l 1 d 1 l 2 L l 3 d l 1 d 1 l 2 L l 3 3 19 6 26 63.5 9.5 22 85.5 25 90.5 143 15 3.5 25.5 6 32.5 70 24 92 25 96.5 149 4 25 100 25 104.5 157 4.5 26 98.5 25 104.5 157 5 31.5 6 38
28、.5 76 28 5.5 30 6 32 100 25 106.5 159 6.5 35 10 41.5 79.5 34 7 34 35 7.5 36 8 38 8.5 37 10 44.5 82.5 40 101.5 25 106.5 159 9 45 10 32 101.5 32 109.5 163.5 11 41.5 12 51 89 34 12 49.5 12 57 95 35 13 50 36 14 57 12 63.5 101.5 38 15 58.5 16 69.5 108.5 40 16 42 17 67 16 76 115 44 18 70 45 19 76 16 82.5
29、121.5 50 20 BS122-4:1980 6 BSI 10-1999 NOTE 1Tolerances on d: up to3mm 0.013 0.033 over3mm up to6mm 0.020 0.038 over6mm up to10mm 0.025 0.046 over10mm up to18mm 0.033 0.058 over18mm up to30mm 0.041 0.071 over30mm 0.051 0.089 Figure 4 Screwed shank slot drill: normal seriesBS122-4:1980 BSI 10-1999 7
30、Table 4 Dimensions of screwed shank slot drills: normal series All dimensions are in millimetres. Cutter diameter Cut length Shank diameter Nominal length below chuck Overall length Thread length Cutter diameter Cut length Shank diameter Nominal length below chuck Overall length Thread length d l 1
31、d 1 l 2 L l 3 d l 1 d 1 l 2 L l 3 1.5 2.5 6 11 48.5 9.5 21 25.5 25 46.0 98.5 15 2 3 6 11.5 49 22 25.5 25 47.5 100 2.5 4.5 6 13.5 51 23 25.5 25 49 101.5 3 7 24 25.5 25 50.5 103 3.5 7.5 6 15 52.5 25 27 25 42.5 95 4 9.5 26 4.5 27 28.5 25 41 93.5 5 28 30 25 42.5 95 5.5 11 6 18 55.5 29 30 25 41 93.5 6 19
32、 56.5 30 6.5 11 10 20.5 58.5 32 38 25 49 101.5 7 34 7.5 35 39.5 25 50.5 103 8 12.5 10 21.5 59.5 36 8.5 14.5 10 22.5 60.5 38 43 25 54 106.5 9 40 46 25 58.5 111 9.5 42 47.5 25 60 112.5 10 44 51 25 63.5 116 10.5 17.5 12 27 65 45 11 32 35 32 63.5 117.5 11.5 34 35 32 65 119 12 19 12 28.5 66.5 35 39.5 32
33、57 111 13 36 14 22 12 30.5 68.5 38 43 32 60.5 114.5 15 22 16 33 72 40 46 32 63.5 117.5 16 42 47.5 17 24 16 35 74 44 47.5 32 65 119 18 45 19 25.5 16 38 77 50 51 32 63.5 117.5 20 BS122-4:1980 8 BSI 10-1999 NOTE 1Tolerances on d: up to3mm 0.013 0.033 over3mm up to6mm 0.020 0.038 over6mm up to10mm 0.025
34、 0.046 over10mm up to18mm 0.033 0.058 over18mm up to30mm 0.041 0.071 over30mm 0.051 0.089 Figure 5 Screwed shank slot drill: long seriesBS122-4:1980 BSI 10-1999 9 Table 5 Dimensions of screwed shank slot drills: long series All dimensions are in millimetres. Cutter diameter Cut length Shank diameter
35、 Nominal length below chuck Overall length Thread length Cutter diameter Cut length Shank diameter Nominal length below chuck Overall length Thread length d l 1 d 1 l 2 L l 3 d l 1 d 1 l 2 L l 3 2 4 6 13.5 51 9.5 28 47.5 25 106.5 159 15 2.5 6.5 6 16.5 54 30 51 3 11 6 23 60.5 32 3.5 12.5 6 29 66.5 34
36、 4 35 54 4.5 36 5 12.5 6 32.5 70 38 57 5.5 16 6 38.5 76 40 6 45 6.5 16 10 38 32 51 32 105 7 34 7.5 35 54 8 19 10 41.5 79.5 36 8.5 22 10 44.5 82.5 38 57 9 40 63.5 10 42 11 22 12 51 89 44 12 25.5 12 57 95 45 13 50 14 28.5 12 63.5 101.5 15 31.5 16 69 108 16 17 35 16 75.5 114.5 18 19 38 16 81.5 120.5 20
37、 22 41.5 25 87.5 140 15 24 41.5 25 100 152.5 25 44.5 25 106.5 159 26 BS122-4:1980 10 BSI 10-1999 NOTE 1Tolerances on d: up to 3 mm over 3 mm up to 6 mm over 6 mm up to 10 mm over 10 mm up to 18 mm over 18 mm up to 30 mm over 30 mm 0.013 0.033 0.020 0.038 0.025 0.046 0.033 0.058 0.041 0.071 0.051 0.0
38、89 Figure 6 Screwed shank slot drill: ball nosed: normal seriesBS122-4:1980 BSI 10-1999 11 Table 6 Dimensions of screwed shank slot drills: ball nosed: normal series All dimensions are in millimetres. Cutter diameter Cut length Shank diameter Nominal length below chuck Overall length Thread length d
39、 l 1 d 1 l 2 L l 3 2 3 6 11.5 49 9.5 2.5 4.5 6 13.5 51 3 7 4 9.5 6 15 52.5 5 6 11 6 19 56.5 7 11 10 20.5 58.5 8 12.5 10 21.5 59.5 9 14.5 10 20.5 58.5 10 14.5 10 22.5 60.5 11 17.5 12 27 65 12 19 12 28.5 66.5 13 14 22 12 30.5 68.5 15 22 16 33 72 16 17 24 16 34 73 18 24 16 35 74 19 25.5 16 38 77 20 22
40、25.5 25 47.5 100 15 24 25.5 25 50.5 103 25 28.5 25 44.5 97 26 28 30 25 42.5 95 30 30 25 41 93.5 32 36.5 25 47.5 100 BS122-4:1980 12 BSI 10-1999 NOTE 1Tolerances on d: up to 3 mm over 3 mm up to 6 mm over 6 mm up to 10 mm over 10 mm up to 18 mm over 18 mm up to 30 mm over 30 mm 0.013 0.033 0.020 0.03
41、8 0.025 0.046 0.033 0.058 0.041 0.071 0.051 0.089 Figure 7 Screwed shank slot drill: ball nosed: long seriesBS122-4:1980 BSI 10-1999 13 Table 7 Dimensions of screwed shank slot drills: ball nosed: long series All dimensions are in millimetres. Cutter diameter Cut length Shank diameter Nominal length
42、 below chuck Overall length Thread length d l 1 d 1 l 2 L l 3 3 11 6 23 60.5 9.5 4 12.5 6 29 66.5 5 12.5 6 32.5 70 6 16 6 38.5 76 7 16 10 38 76 8 19 10 41.5 79.5 9 22 10 44.5 82.5 10 11 22 12 51 89 12 25.5 12 57 95 13 14 28.5 12 63.5 101.5 15 31.5 16 69 108 16 17 35 16 75.5 114.5 18 19 38 16 81.5 12
43、0.5 20 22 41.5 25 87.5 140 15 24 41.5 25 100 152.5 25 44.5 25 106.5 159 26 28 47.5 30 51 BS122-4:1980 14 BSI 10-1999 Appendix A Dimensions and tolerances of end mills and slot drills in imperial units Table 8 Interchangeability dimensions for screwed shanks (in imperial units) Figure 8 Screwed shank (in imperial units) All dimensions are in inches. Shank d
