1、October 2011 Translation by DIN-Sprachendienst.English price group 7No 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、 25.060.10; 25.120.10!$ttg“1818168www.din.deDDIN ISO 11900-2Tools for pressing Ball-lock punch retainers Part 2: Types C and D, reduced for light duty (ISO 11900-2:2008)English translation of DIN ISO 11900-2:2011-10Werkzeuge der Stanztechnik Stempelhalteplatten mit Kugelsitz Teil 2: Formen C und D,
3、reduziert fr leichte Beanspruchung (ISO 11900-2:2008)Englische bersetzung von DIN ISO 11900-2:2011-10Outillage de presse Porte-poinons pour poinons bille Partie 2: Types C et D, rduits pour tles minces (ISO 11900-2:2008)Traduction anglaise de DIN ISO 11900-2:2011-10www.beuth.deDocument comprises pag
4、esIn case of doubt, the German-language original shall be considered authoritative.1009.11 A comma is used as the decimal marker. Contents Page National foreword .3 National Annex NA (informative) Bibliography. 1 Scope 6 2 Normative references 6 3 Dimensions.6 3.1 General tolerance.6 3.2 Type C redu
5、ced ball-lock punch retainer 7 3.3 Type D reduced ball-lock punch retainer 8 4 Material and corresponding hardness.10 5 Designation 10 DIN ISO 11900-2:2011-10 2 5National foreword This standard has been prepared by Technical Committee ISO/TC 29 “Small tools”, Subcommittee SC 8 “Tools for pressing an
6、d moulding”. The responsible German body involved in its preparation was the Normenausschuss Werkzeuge und Spann-zeuge (Tools and Clamping Devices Standards Committee), Working Committee NA 121-03-02 AA Werk-zeuge der Stanztechnik. The text of ISO 11900-2:2008 has been adopted in this standard witho
7、ut any modification. DIN ISO 11900 consists of the following parts, under the general title Tools for pressing Ball-lock punch retainers: Part 1: Types A and B, rectangular and square for light duty Part 2: Types C and D, reduced for light duty Part 3: Type E, reduced for heavy duty Attention is dra
8、wn to the possibility that some of the elements of this document may be the subject of patent rights. DIN shall not be held responsible for identifying any or all such patent rights. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 273 D
9、IN EN 20273 ISO 4762 DIN EN ISO 4762 ISO 8735 DIN EN ISO 8735 ISO 10071-1 DIN ISO 10071-1 Below is from the point of view of Technical Committee NA 121-03-02 AA an improved version of Figure 1, as it includes an additional hole for a dowel pin (see drawing bottom left). This provides an additional p
10、ossibility for making adjustments at the tool. DIN ISO 11900-2:2011-10 3 Figure N.1 Figure 1 with additional hole for dowel pin DIN ISO 11900-2:2011-10 4 National Annex NA (informative) Bibliography DIN EN 20273, Fasteners Clearance holes for bolts and screws DIN EN ISO 4762, Hexagon socket head cap
11、 screws DIN EN ISO 8735, Parallel pins with internal thread, of hardened and martensitic stainless steel DIN ISO 10071-1, Tools for pressing Ball-lock punches Part 1: Ball-lock punches for light duty DIN ISO 11900-2:2011-10 5 1 Scope This part of ISO 11900 specifies the dimensions and tolerances, in
12、 millimetres, of reduced ball-lock punch retainers, type C and type D, for light duty, and of their backing plug, the main use of which is the retention of ball-lock punches in accordance with ISO 10071-1, when punching holes in steel sheets. It also gives material guidelines and specifies the hardn
13、ess and designation of ball-lock punch retainers that are in accordance with its specifications. 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 references, the latest
14、edition of the referenced document (including any amendments) applies. ISO 273, Fasteners Clearance holes for bolts and screws ISO 4762, Hexagon socket head cap screws ISO 8735, Parallel pins with internal thread, of hardened steel and martensitic stainless steel ISO 10071-1, Tools for pressing Ball
15、-lock punches Part 1: Ball-lock punches for light duty 3 Dimensions 3.1 General tolerance The general tolerance for all dimensions not individually toleranced is 0,25 mm. Tools for pressing Ball-lock punch retainers Part 2: Types C and D, reduced for light duty DIN ISO 11900-2:2011-10 6 3.2 Type C r
16、educed ball-lock punch retainer The dimensions of type C reduced ball-lock punch retainers shall conform to the indications in Figure 1 and Table 1. Dimensions in millimetres aHole for parallel hardened pins (dowels pins) in accordance with ISO 8735. bVenting hole. cOptional. Figure 1 Type C reduced
17、 ball-lock punch retainer DIN ISO 11900-2:2011-10 7 Table 1 Dimensions of type C reduced ball-lock punch retainers Dimensions in millimetres D H6 W 05D2a 0,3 D4 0,3 L1 0,01 L2 0,01L3 0,1 L402W1 0,13W2 0,01T 0,3 E 0,02 R max. R1max. Screw10 45 26,92 7,5 36 11,1 9 10 13 13 51 29,97 6,5 39 14,3 12 13 1
18、6 16 54 9 15 31,75 6,5 41 15,9 13,5 9,5 15 17 M8 20 61 11 18 33,53 5 19 44 17,5 16,5 11,5 18 21 M10 25 70 13,5 20 40,64 7 23,8 49 19,8 22 13,5 23 25 M12 32 70 13,5 20 40,64 7 23,8 49 19,8 22 13,5 8,05 23 25 M12 aCounterbore in accordance with ISO 273 and M8, M10 and M12 head cap screws in accordance
19、 with ISO 4762. 3.3 Type D reduced ball-lock punch retainer The dimensions of type D reduced ball-lock punch retainers shall conform to the indications in Figure 2 and Table 2. DIN ISO 11900-2:2011-10 8 Dimensions in millimetres Surface roughness values in micrometres aVenting hole. bOptional. Figur
20、e 2 Type D reduced ball-lock punch retainer DIN ISO 11900-2:2011-10 9 Table 2 Dimensions of type D reduced ball-lock punch retainers Dimensions in millimetres D H6 L W D1a G6 D2b H12 L1L2L3W1W2T D3D4AcE 0,02 P R D5G6 10 44,5 38 29 9 21 10 10 12 5 9,5 13 50,5 47 9 32 11 23 13 13 9 16 13,5 6,5 12,516
21、53,5 52 6 12 26 12 13 7 15 7 14 6 20 60 55 11 34 11,5 27 14 17 11 18 17 8 17,525 69,5 63 13 39 12 30 15 21 13 20 19,5 9 22 32 69,5 63 8 13 39 12 30 15 21 13 9 20 19,5 8,05 9 22 8 aHole for parallel hardened pins (dowel pins) in accordance with ISO 8735. bCounterbore in accordance with ISO 273 and M8
22、, M10 and M12 head cap screws in accordance with ISO 4762. cTolerance on this dimension is left to the manufacturers discretion. 4 Material and corresponding hardness The choice of the material is left to the manufacturers discretion. The hardness should be (46 3) HRC for ball-lock punch retainers a
23、nd (55 5) HRC for backing plugs. 5 Designation Ball-lock punch retainers in accordance with this part of ISO 11900 shall be designated by the following: a) “Ball-lock retainer”; b) reference to this part of ISO 11900, i.e. 11900-2; c) the type; d) the diameter D, in millimetres. EXAMPLE A ball-lock punch retainer of type C with a diameter D = 10 mm is designated as follows: Ball-lock retainer ISO 11900-2 - C - 10 DIN ISO 11900-2:2011-10 10
