1、 c? , ICEN EN*Z58b 93 D 3404589 0030738 8 = I tb EUROPEAN STANDARD NORME EUROPEENWE EN 2586 EUROPA1 SCHE NORM March 1991 UDC: 629.7.05 -621.627.1: 621.882.4-59.004.1: 669.14: 669.738 Descriptors: Aircraft industry, aircraft control, rod-end fittings, lock washer, steel , cadmius, dimension English
2、version Aerospace series - Washers, lock for flight control rods - Dimensions Serie a4rospatiale - Rondelles freins Luft- und Raumfahrt Raumfahrt - pour bielles de commandes de vol - dimens ions Mae Sicherungsscheiben fr Bediengestnge This European Standard was approved by CEN on 1991-06-06 CEN memb
3、ers are bound to cofiply with the CEN/CENELEC Internal Regulations which stipulate the conditiocs for givin this .European Standard the status of a national standard without any afterat ion. Up-to-date 1 ists and bibliographical references concerning such national standards may be obtained on applic
4、ation 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 own language and notified to the Central Secretariat has th
5、e 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, Switzerland and United Kingdom. CEN European Committee for Standard
6、ization Comite Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, 8-1050 Brussels . (cl CEN 1991 Copyright reserved to all CEN members - Ref, No. EN 2586:1991 E 7 I 7 7 ,-, i - - -2 . .- s :CEN EN*Z58b 31 W 3404589 0010739 T M I Foreword , This European
7、Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, this Standard has successively received the approval of the Kational Associations and the Official Services of the member
8、 countries of AECMA, prior to its presentation to GEN. According to the Common CEN.CENELEC Rules, the following countries are bound to implement this EuropeanStandard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spa
9、in, Sweden, Sritzerland and United Kingdom. - . v :CEN EN*Z58b 91 3404589 OOLO40 b I E* Page 3 EN 2586:1991 1 This standard specifies the characteristics of lock washers for flight control rods. These lock washers are intended to immobilise the end fittings in relation to the rod body whilst allowin
10、g a positional adjustment of half a turn. Scope and field of application * 2 References EN 21 33, EN 221 7, Cadmium plating of steels with maximum specified tensile strength equal to or less than 1450 MPa and copper and copper alloys - Aerospace series 1) Steel FE-PL52 S - 1080 MPa B Rm G 125C MPa -
11、 Sheets and plates 2 mm a 2U mm - Aerospace series 1) EN 2252, Steel FE-PL52 S - 1080 MPa G Rm 1250 MPa - Hand and die forgings De 100 mm - Aerospace series 1) . 3 Required characteristics 3.1 Dimensions Tolerances - Masses Configuration : see figure. Dimensions, tolerances and masses : see figure a
12、nd/or table, values after cadmium plating. 3,2 Surface roughness See figure, value before cadmium plating, 3.3 Material Steel EN 2217 or steel EN 2252. 3.4 Surface treatment Cadmium plating EN 21 33, 1 O pm to 20 pm. Dimensions in millimetres Figure 1) Published as AECMA standard at the date of publ
13、ication of the present standard. 0% /- L, &=*-=Y- 1 - . ICEN ENr258b 91 W 3404589 0010741 8 W Page 4 EN 2586:1991 Table Dimensions in millimetres G H 6 Mats 2 0,l g O - 0,15 A B IC Diameter code t 0,l O f 0,l f 0,25 1 I O8 82 , 16 I 1,0 1 1,3 I 1.0 i.6 2,3e 6,8 I i,ig I 3,5 12 12,2 22 1,5 2,o 1,2 1.
14、9 280 I 10,5 *, 1.40 7.2 10 10,2 20 i 1,o 1 2,o 1 ,o 18 2,80 843 1,40 5,6 I 14 14.2 I 26 13 3.0 1,5 1,9 3,lO 12,5 i 1.55 10,: 16 16,3 28 1,5 3.0 1,5 2,4 3.16 14,O I 1,58 12,7 , 4 Designation Each lock washer shall only be designated as in the following example : Description block Identity block LOCK
15、WASHE? 1 EN2586-08 Number of EN standard -I 08 = Diametre code (see table) NOTE : If necessary, the originators code 19006 may be introduced between the description block and the identity block. 5 Marking In addition to the manufacturers own marking, each lock washer or its packaging shall be marked, using the identity block defined in clause 4. The marking position and method are at the manufacturers option. If it is possible to mark the lock washer, the marking shall be indelible and shall not impair the characteristics of the locking device. Y ._ Y
