DIN 316-2016 Fasteners - Wing screws - Rounded wings《紧固件 圆形翼的蝶形螺钉》.pdf

1、December 2016 English price group 6No 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 21.060.10!%cl“2642973www.din.deD

2、IN 316Fasteners Wing screws Rounded wings,English translation of DIN 316:2016-12Mechanische Verbindungselemente Flgelschrauben Runde Flgelform,Englische bersetzung von DIN 316:2016-12Fixations Vis oreilles Oreilles arrondies,Traduction anglaise de DIN 316:2016-12SupersedesDIN 316:1998-07www.beuth.de

3、Document comprises 7 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.03.17 DIN 316:2016-12 2 A comma is used as the decimal marker. Contents Page Foreword . 3 1 Scope 4 2 Normative references 4 3 Dimensions 4 4 Technical delive

4、ry conditions . 6 5 Designation 6 Bibliography . 7 DIN 316:2016-12 3 Foreword This standard has been prepared by Working Committee NA 067-00-08 AA Verbindungselemente mit Sonderformen und aus Kunststoff of DIN-Normenausschuss Mechanische Verbindungselemente (DIN Standards Committee Fasteners). DIN E

5、N 318 applies to wing screws with edged wings. The DIN 4000-160-4 tabular layout of product properties applies to wing screws covered in this standard. 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 shall not be he

6、ld responsible for identifying any or all such patent rights. Amendments This standard differs from DIN 316:1998-07 as follows: a) the standard has been editorially revised; b) normative references have been updated; c) thread ends according to DIN EN ISO 4753 have been specified in Figure 1; d) in

7、Table 2, thread tolerances have been changed from 6g to 8g according to DIN EN ISO 4759-1 and reference has been made to DIN ISO 965-1; e) the content of Annex A (tabular layout of article characteristics) has been transferred to the Foreword and updated; f) Annex B has been converted to a Bibliogra

8、phy. Previous editions DIN 316: 1920-10, 1925-04, 1943-10, 1956-01, 1970-11, 1983-06, 1998-07 DIN 316:2016-12 4 1 Scope This standard specifies requirements for M4 to M24 wing screws with rounded wings, of product grade C and made of malleable cast iron, steel, austenitic steel or copper-zinc alloy.

9、 2 Normative references The 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 references, the latest edition of the referenced document (including any amen

10、dments) applies. DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 4753, Fasteners Ends of parts with external ISO metric thread DIN EN ISO 4759-

11、1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C DIN ISO 965-1, ISO general purpose metric screw threads Tolerances Part 1: Principles and basic data DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts 3 Dimensions See Figure 1 an

12、d Table 1. Symbols and their descriptions are specified in DIN EN ISO 225. aThread end according to DIN EN ISO 4753 Type RL or end chamfered (CH) at the manufacturers discretion Figure 1 Dimensions DIN 316:2016-12 5 Table 1 Dimensions Dimensions in millimetres Thread, d1M4 M5 M6 M8 M10 M12 M16 M20 M

13、24 Pa0,7 0,8 1 1,25 1,5 1,75 2 2,5 3 a max. 2,1 2,4 3 4 4,5 5,3 6 7,5 9 d2max. 8 11 13 16 20 23 29 35 44 min. 6 8 10 13 17 20 26 32 41 d3max. 7 9 11 12,5 16,5 19,5 23 29 37,5 min. 5,5 7,5 9 10,5 14,5 17,5 21 27 35 e max. 20 26 33 39 51 65 73 90 110 min. 18 24 30 36 48 62 70 86 106 g1max. 1,9 2,3 2,3

14、 2,8 4,4 4,9 6,4 6,9 9,4 min. 1,1 1,5 1,5 2 3,6 4,1 5,6 6,1 8,6 g2max. 2,3 2,8 3,3 4,4 5,4 6,4 7,5 8 10,5 min. 1,7 2,3 2,7 3,6 4,6 5,6 6,5 7 9,5 h max. 10,5 13 17 20 25 33,5 37,5 46,5 56,5 min. 8,5 11 15 18 23 31 35 44 53,5 m max. 4,6 6,5 8 10 12 14 17 21 25 min. 3,2 4 5 6,5 8 10 13 16 20 r1 3 4 5 6

15、 8 10 11 14 18 r2 Rounded 1 1 1,2 1,6 2,5 r3 0,5 1 1 1 1,2 1,2 1,6 2 2,5 r4 2 2,5 3 3 5 6 7 8 9 lbNom. size min. max. 6 5,40 6,60 8 7,25 8,75 10 9,25 10,75 12 11,10 12,90 (14) 13,10 14,90 Range of 16 15,10 16,90 (18) 17,10 18,90 20 18,95 21,05 commercially available 25 23,95 26,05 30 28,95 31,05 35

16、33,75 36,25 lengths 40 38,75 41,25 50 48,75 51,25 60 58,50 61,50 aP = Thread pitch bBracketed sizes should be avoided if possible. DIN 316:2016-12 6 4 Technical delivery conditions See Table 2. Table 2 Technical delivery conditions and reference standards Material Malleable cast iron Steel Copper-zi

17、nc alloy Austenitic steel GT St CuZn A GT: GTS or GTW at the manufacturers discretion St: Steel, forged or cold worked at the manufacturers discretion CuZn: Copper-zinc alloy, malleable or casting alloy at the manufacturers discretion A: Austenitic steel at the manufacturers discretion General requi

18、rements Standard DIN ISO 8992 Thread Tolerance class 8gaStandard DIN ISO 965-1 Limit deviations, geometrical tolerances Product grade C Standard DIN EN ISO 4759-1 Surface finish Coating As processed. Bearing face unmachined. DIN EN ISO 4042 applies with regard to electroplating. Acceptance inspectio

19、n DIN EN ISO 3269 aDepending on the surface finish, another tolerance position prior to the application of the coating is necessary; see DIN EN ISO 4042, for example. Wing screws according to this standard may be made from two pieces, with a combination of malleable cast iron (GT) and steel (St) bei

20、ng permissible. They shall be joined in such a manner that their perfomance is equal to that of one-piece screws. 5 Designation Designation of an M6 wing screw with rounded wings, made of malleable cast iron (GT), with a nominal length, l, of 20 mm: Wing screw DIN 316 M6 null 20 GT DIN 316:2016-12 7 Bibliography 1 DIN 318, Fasteners Wing screws Edged wings 2 DIN 4000-160, Tabular layout of product properties Part 160: Fasteners with external thread