1、CEN EN*Z2339 92 3YOY589 00339bb b7b EUROPEAN STANDARD EN 22339 NORME EUROPENNE EUROPISCHE NORM July 1992 UM: 621.886.114 Descriptors: Wteners, taper pins, dimensions, specification, designation English version %per pins, unhardened (IS0 2339 : 1986) Goupilles de position coniques non trempes (IS0 23
2、39 : 1986) . (IS0 2339 : 1986) Kegelstifte, ungehrtet This European Standard was approved by CEN on 1992-07-17. 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 alte
3、ration. Up-to-date lists and bibliographical references concerning 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 trans
4、lation under the responsibility of a CEN member into its 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, Luxembour
5、g, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1992 Copyright reserved to CEN members Ref. No. EN 2233
6、9 : 1992 E CEN EN+22339 92 3404589 00339b7 502 Page 2 EN 22339: 1992 Foreword In 1992, CEN Technical Committee CENTC 185 Threaded and non threaded mechanical fasteners and accessories the secretariat of which is held by DIN decided to submit the International Standard IS0 2339 : 1986 Exper pins, unh
7、ardened to the formal vote procedure. The result was positive. In the countries bound to implement this European Standard a national standard identical to this European Standard shall be published at the latest by 1993-01-31 and conflicting national standards shall be withdrawn at the latest by 1993
8、01-31. According to the CENCENELEC Common Rules the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Spain, Portugal, Sweden, Switzerland and I United Kingdom. CE
9、N ENW22339 92 = 3404589 0033968 449 = Page 3 EN 22339 : 1992 Taper pins, unhardened 1 Scope and field of application This International Standard specifies the characteristics of unhardened -Aper pins, with metric dimensions and nominal diameters, d, from 0,6 to 50 mm inclusive. 2 References IS0 2081
10、 Metallic coatings - Electroplated coatings of zinc on iron or steel. IS0 3269, Fasteners - Acceptance inspection. IS0 4520, Chromate conversion coatings on electroplated zinc and cadmium coatings. CEN ENx22339 92 3404589 0033969 385 Page 4 EN 22339: 1992 3 Dimensions Type A (ground pins) : Surface
11、 finish Ra = 0,8 prn Type B (turned pins) : Surface finish Ra = 3,2 prn P nom. I min. Dimensions in millimetres d h10” 0.6 0.8 1 1.2 1.5 2 2.5 3 4 5 6 8 10 12 16 a) 1 30 40 50 a = 0,08 0.1 0,12 0.16 0,2 0.25 0.3 0.4 0.5 0.3 0,8 1 1.2 1,6 2 2.5 3 4 5 6,3 ; 1 :3E 4 3,75 11.5 15,5 17.5 24 23,5 : I I: 5
12、9,25 120 119,25 140 139,25 160 158.25 180 179,25 E No 199.25 max. I m 11 Other tolerances, for example, al 1, cl 1, f8, as agreed between customer and supplier. 2) For nominal lengths above 200 mm, steps of 20 mm. 4 Specifications and reference International Standards Material Surface finish St = Fr
13、ee-cutting steel, Other materiils as agreed between customer and supplier. Plain, .e. pins to be supplied in natural finish treated with a rust-preventative lubricant, unless otherwise specified by agreement between customer and supplier. Preferred coatings are black oxide, phosphate coating or zinc
14、 plating with chromate conversion coating (see IS0 2081 and IS0 4520). Other coatings as agreed between customer and supplier. All tolerances shall apply prior to the application of a plating or coating. hardness 125 to 245 HV. I Workmanship Taper Acceptability I Parts shall be uniform in quality an
15、d free of irregularities or detrimental defects. No burrs shall aDmr on any Dart of the Din. The taper shall be inspected by use of an adequate optical comparator. The acceptance procedure is covered in IS0 3269. 5 Designation Example for the designation of an unhardened steel taper pin, type A, with nominal diameter d= 6 mm and nominal length i=30mm: laper pin IS0 2339 - A - 6 x a) - St
