1、Ref. No. DIN 6307 : 2002-06English price group 06 Sales No. 010603.03DEUTSCHE NORM June 20026307Continued on pages 2 and 3. No part of this translation may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the e
2、xclusive right of sale for German Standards (DIN-Normen).Tommy nuts with movable barTranslation by DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.ICS 21.060.20Knebelmuttern mit losem KnebelIn keeping with current practice in standards
3、published by the International Organization for Standardization(ISO), a comma has been used throughout as the decimal marker.ForewordThis standard has been prepared by Technical Committee Bohrbuchsen, Spannzeuge und Vorrichtungen ofthe Normenausschuss Werkzeuge und Spannzeuge (Tools and Clamping Dev
4、ices Standards Committee).AmendmentsThis standard differs from the January 1997 edition in that it has been editorially revised and a finish has beenspecified.Previous editionsDIN 6307: 1931-12, 1967-08, 1997-01.All dimensions are in millimetres.1 ScopeThis standard specifies requirements for tommy
5、nuts with movable bar for use in jigs and fixtures, to fitscrews where the torque is relatively small.2 Normative referencesThis standard incorporates, by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and th
6、e titles of the publications arelisted below. For dated references, subsequent amendments to or revisions of any of these publicationsapply to this standard only when incorporated in it by amendment or revision. For undated references, thelatest edition of the publication referred to applies.DIN 209
7、8-1 Helical springs made of round wire Dimensions for cold coiled compression springswith wire diameters greater than or equal to 0,5 mmDIN 6306 Tommy screws with movable barDIN EN 20898-2 Mechanical properties of fasteners Part 2: Nuts with specified proof load values Coarse thread (ISO 898-2 : 199
8、2)DIN EN ISO 4759-1 Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A,B and C (ISO 4759-1 : 2000)DIN EN ISO 7091 Plain washers Normal series Product grade C (ISO 7091 : 2000)ISO 2768-1 : 1989 General tolerances Part 1: Tolerances for linear and angular dimensions withou
9、tindividual tolerance indicationsSupersedes January 1997edition.Page 2DIN 6307 : 2002-063 Dimensions and designationTommy nut dimensions shall be as given in figures 1 and 2 and table 1.Design details left unspecified shall be selected as appropriate.General tolerances shall be class m tolerances as
10、 in ISO 2768-1.Figure 1: Shank dimensions (notation)Key1 Shank2 Tommy bar as in DIN 63063 Collar as in DIN 63064 Compression spring as in DIN 2098-15 Washer as in DIN EN ISO 7091Figure 2: Tommy nut (assembly)Page 3DIN 6307 : 2002-06Designation of an M 16 tommy nut:Tommy nut DIN 6307 M 16Table 1: Tom
11、my nut dimensions4 Materials4.1 ShanksShanks shall be of property class 05 as specified in DIN EN 20898-2.The proof load test specified in DIN EN 20898-2 shall be carried out on nuts assembled on a test mandrel witha length of engagement equal to 0,5 d1to below 0,8 d1.4.2 Tommy bars and collarsTommy
12、 bars and collars shall be made of the material specified in DIN 6306.5 Product grade and finish5.1 ShanksShanks shall be manufactured in product grade A in accordance with DIN EN ISO 4759-1 and provided with ablack oxide coating.5.2 Tommy bars and collarsThe specifications given in DIN 6306 shall apply.Other relevant standardsDIN 6304 Tommy screws with fixed barDIN 6305 Tommy nuts with fixed bar
