DIN EN 27435-1992 Slotted set screws with long dog point (ISO 7435 1983) german version EN 27435 1992《长圆柱末端的槽头止动螺钉》.pdf

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1、lewindeFrart 1 te DIN 4OU-2-5 txb-ularlayout off aEticlei characteristca appiie-s ?or smews a6 covered here-. iam5 DIN EN-20: 225 DIN IC0 32Vr/sg,GmbH Berlin, has:tmexc!uaiw right ohsale for German Standards (D/ referred ta (wrdinat-inchcid in ffefemrrrces) DIR 49C60iPirft T Tabular Iay,outi ccf-art

2、ide. chracteriz Ihelbnd, Inelkin-d, Ita+, Luxamhaurgr NMhedands, Narway, Partugai, Spain, Sweden, Swi Germany, Greece, Icelarrdil ie14nd,. ItGrly, Luxembourg, Nethsrlarrds, Naway, Rartugald, Sgaim, Swden, W.iheiiliaad amid Unit= Q64- Q72 11 Oi8 I 0,s 1/12 1,28: 1,s 2 2.4- 28 mas. 0,74 03% ,S 11 1,B5

3、 I ,Zl Il, 1,63. 2 2, s 3 36 mire. O, 1,s 1,751 1 2 2,25 1, 2,755. 3;z 4,s 53: 623 I Z- IS%. 3) nom- i mim. I rnax 1% Sizgs: in brackets should, k avoided ifi possiblk 2) P= pitchofithe thfiead. 31 Min. andl rnax. value%accorrdirrg to 1512 4759Yr1, but nourrdedj toi ont7 decimal1 place RagE 5: EN 27

4、 dN5: 1962 Thrwdi 1 Tolerance Internazional Standards Finish ISU Bl, ISQ I Plain Requiremtsfm electmpliWing, are covered irr EU W, If difkenti electroplating, requirements aredesired. or if; requiremmtsare n symbols and designations for dimensioning Previous editions DIN 417: 10.22, 10.23, 06.38x, 0

5、2.53, 02.72, 09.86. Amendments In comparison with DIN 41 7, September 1986 edition, the following amendments have been made. a) Guideline values for the mass of set screws have been given in a National appendix. b) Property class 22H set screws need not be thermally blackened any longer. c) The spec

6、ifications for surface roughness have been dropped. d) The standard designation has been changed. International Patent Classification F 16 B 035/00 F 16 B 023/00 EUROPEAN STANDARD NORME EUROPENNE EUROPAISCHE NORM EN 27435 July 1992 UDC 621.882.219.71.092.4 Descriptors: Fasteners, screws, set screws,

7、 dimensions, specifications, dimensional tolerances, designation. English version Slotted set screws with long dog point (IS0 7435 : 1983) Vis sans tte, fendues, tton long (IS0 7435 : 1983) Gewindestifte mit Schlitz und Zapfen (IS0 7435 : 1983) This European Standard was approved by CEN on 1992-07-1

8、7 and is identical to the IS0 Standard as referred to. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references c

9、oncerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its

10、own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerl

11、and and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Centrai Secretariat: rue de Stassart 36, B-1050 Brussels O 1992. Copyright reserved to all CEN members. Ref. No. EN 27 435 : 1992 E Page 2 EN 27 435 : 1992 Foreword In 199

12、2, CEN/TC 185 Threaded and unthreaded fasteners and accessories, the Secretariat of which is held by DIN, decided to submit International Standard IS0 7435 : 1983 Slotted set screws with long dog point to Formal Vote. The result was positive. In the countries bound to implement this European Standar

13、d, a national standard identical to this European Standard shall be published, and conflicting national standards withdrawn, by 1993-01-31 at the latest. In accordance with the CENKENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, D

14、enmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of the International Standard IS0 7435 : 1983 was approved by CEN as a European Standard without any modifi- cation

15、. Page 3 EN 27 435 : 1992 1 Scope and field of application This International Standard specifies the Characteristics of dotted set screws with long dog point and thread sizes from M 1,6 to M 12 inclusive and product grade A. If other specifications are required, it is recommended that they should be

16、 selected from existing International Standards, for example IS0 261, IS0 888, IS0 898, IS0 965, IS0 3506, IS0 4759/1. 2 References IS0 225, Fasteners - Bolts, screws, studs and nuts - Symbols and designations of dimensions. IS0 261, IS0 general purpose metric screw threads - General plan. IS0 888,

17、Bolts, screws and studs - Nomind lengths, and thread lengths for generat purpose bolts. IS0 898, Mechanical properties of fasteners. IS0 966, IS0 general purpose metric screw threads - Toierances. IS0 3269, Fasteners - Acceptance inspection. 1) IS0 3506, Corrosion-resistant stainless sted fasteners

18、- Specifications. IS0 4042, Threaded components - Electroplated coatings components. 1) IS0 4753, Fasteners - Ends of parts with external metric IS0 thread. IS0 475911, Tolerances for fasteners - Part I: Bolts, screws and nuts with thread diameters 1,6 and 150 mm and product grades A, B and C. 1) At

19、 present at the stage of draft. Page 4 EN 27 435 : 1992 P2) Thread size d df - 3 Dimensions M 1,6 M 2 M 2.5 M 3 (M 3.511) M 4 M 5 M 6 M 8 M 10 M 12 0.35 0,4 0.45 0,5 0,6 0,7 o,a 1 1,25 1,5 1,75 Minor thread diameter radius .I min. max. dP The 120 angle is mandatory for short length screws above the

20、dotted stepped line. * The 45O angle applies only to the portion of the point below the root diameter of the thread. 0,E 0,75 1,25 1.75 1.95 2,25 3,2 1 3,7 I 5.2 I 6.64 8.14 0,s 1 1 I 1.5 I 2 I 2,2 I 2.5 I 33 I 4 I 5,5 I 7 I 85 Il. 31 nom. I min. I max. 2s 24.6 25.4 30 29,6 30.4 I 35 I 34.5 I 35.5 I

21、 1) Sizes in brackets should be avoided if possible. 2) P = pitch of the thread. 3) Min. and max. values according to IS0 4759/1, but rounded to one decimal place. Page 5 EN 27 435 : 1992 Steel 4 Specifications and reference International Standards I Non-ferrous metal Stainless steel Material Thread

22、 Tolerance International Standards 14H, 22H Property class I International Standards Mechanical properties Al -50 1) Tolerances r IS0 898/5 Product grade IS0 3506 International Standard Finish Acceptability A IS0 4759/1 Plain Requirements for electroplating are covered in IS0 4042 If different elect

23、roplating requirements are desired or if requirements are needed for other finishes, they should be negotiated between supplier and customer. The acceptance procedure is covered in IS0 3269. 1) Will be covered in a future International Standard. 5 Designation Example for the designation of a slotted

24、 set screw with long dog point, thread size d = M5, nominal length I = 12 mm and property class 14H: Set screw IS0 7435 - M5 x 12 - 14H National appendix Mass of set screws The values given are guideline values. (informative) Approximate mass (7,851 kg/dms), in kg per 1000 units 2 I 12 I 14 I I 456 I 16 I t 20 25 I i 30 35 40 45 50 55 60 1