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本文(ASD-STAN PREN 3229-1992 Aerospace Series Nuts Hexagon Plain Reduced Height Normal Across Flats in Steel Cadmium Plated Left Hand Thread Classification 900 MPa (at Ambient Temperatu.pdf)为本站会员(Iclinic170)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASD-STAN PREN 3229-1992 Aerospace Series Nuts Hexagon Plain Reduced Height Normal Across Flats in Steel Cadmium Plated Left Hand Thread Classification 900 MPa (at Ambient Temperatu.pdf

1、CEN PREN83229 92 3404589 O033567 989 Edition approved for publication 1992-1 1-1 7 A. E .C. M .A. STAN DARD NORME A.E.C.M.A. A.E.C.M.A. NORM Comments should be sent within SIX months C3 Chairman after the date of publication decision AECMA Technopolis - 175, rue Jean-Jacques Rousseau 92138 Issy-les

2、Moulineaux Cdex - FRANCE Mr. ARENA - . -* prEN 3229 Edition P 1 November 1992 CDITC PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATRIEL Al%OSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cdex - T1 (1) 47 36 98.76 UDC : Key words ENGLISH VERSION Aerospace seri

3、es Nuts, hexagon, plain, reduced height, normal across flats, in steel, cadmium plated, left hand thread Classification : 900 MPa (at ambient temperature) / 235 OC Srie arospatiale Luft- und Raumfahrt Ecrous hexagonaux ordinaires, hauteur rduite, surplats normaux, mit normaler Schlsselweite. en acie

4、r, cadmis, filetage gauche Linksgewinde Classification : 900 MPa ( temprature ambiante) / 235 OC Flache Sechskantmuttern, BUS Stahl, verkadmet, Klasse : 900 MPa (bei Raumtemperatur) / 235 OC This .Aerospace Series- pre-standard has been drawn up under the responsibility of AECMA (Association Europen

5、ne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved b y the experts of the concerned Commission following comment by the Member countries. Subsequent to the publication of this pie-standard, the technical conten

6、t shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be

7、 submitted as a draft European Standard to CEM (European Committee for Standardization) for final vote. Nota Extra copies can be supplied by 8.N A. - Technopolis 54 - 1 YS. rue Jean-Jacques Rousseau - 921 38 ISSY-1ES.MOULINEAUX CEDEX - CEN PREN+3229 92 W 3VOV589 00335b8 815 -_ prEN 3229 Page 3 1 Sco

8、pe and field of application This standard specifies the characteristics of plain, hexagonal nuts, reduced height, normal across flats, with left hand thread, in steel, cadmium plated, classification 900 MPa / 235 OC 2). 2 References IS0 5855-2 IS0 8788 IS0 9139 IS0 9609 EN 2000 EN 2133 EN 2205 EN 24

9、24 EN 2438 EN 2444 EN 2448 TR 3823 Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts Aerospace - Fasteners - Tolerances of form and position for nuts Aerospace - Nuts, plain and slotted - Procurement specification 3, Aerospace - Plain hexagon nuts, reduced height, normal across f

10、lats - Dimensions 3) Aerospace series - Quality assurance - EN aerospace products - Approval of the quality system of manufacturers Cadmium plating of steels with maximum specified tensile strength equal to or less than 1 450 MPa and copper and copper alloys - Aerospace series 4, Aerospace series -

11、Steel FE-PL43 S - 900 MPa I; R, I; 1 100 MPa - Bars Dg I; 40 mm 4, Aerospace series - Identification marking of standard fasteners 4, Aerospace series - Steel FE-PL62 - 900 MPa 2 R, I; 1 100 MPa - Bars Dg s 40 mm 4, Aerospace series - Steel FE-PL711 - 900 MPa 5 R, I 1 1 O0 MPa - Bars and wires De 5

12、45 mm 4, Aerospace series - Steel FE-PL45 - 900 MPa 5 R, I; 1 100 MPa - Bars De I40 mm 4, Aerospace series - Materials for plain and slotted nuts 5, 1) Corresponds to strength class of the associated bolt, the 100 per cent load of which it is able to withstand, when tested at ambient temperature, wi

13、thout breaking or cracking. 2) Maximum temperature that the nut is able to withstand, without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the surface treatment. 3) In preparation at the date of publicati

14、on of this standard 4) Published as AECMA standard at the date of publication of this standard 5) Published as AECMA technical report at the date of publication of this standard Previous page is blank prEN 3229 Page 4 , 3 Required characteristics 3.1 See figure 1 and table 1. Configuration - Dimensi

15、ons - Masses Dimensions and tolerances are : in conformity w IS0 9609, expressed in millimetres and apply after surface treatment. 3.2 Materials EN 2205, EN 2438, EN 2444, EN 2448 or TR 3823 3.3 Surface treatment EN 2133, 5 pm minimum on threads and all surfaces which can be contacted by a 20 mm dia

16、meter ball. On all other surfaces, a continuous cadmium plating shall be present. 1 CEN PREN*3229 92 3404589 0033570 473 D i. prEN 3229 Page 5 x-x Break sharp edges 0,l to 0,4 Y =: 0.2 to 0.5 h N 3) 4) I c Marking 2 holes 0 U optional The groove bottom shall not extend completely across the flats I

17、F I X i I Marking for left hand thread 1) These values in micrometres, apply before surface treatment. The values do not apply to threads the surface texture of which will be achieved by usual manufacturing methods. 2) All forms of entry (chamfer or radius) option within these limiting dimensions 3)

18、 Diameter M may be tangential to, but shall not intrude on the flats. 4) Applicable to both face 5) From either face 6) Details of form not stated are at the manufacturers option. Tolerances of form and position shall be in conformity with IS0 8788. Figure 1 6, Table 1 CEN PREN+3229 92 m 3404589 003

19、3573 30T m ,_ b Option Code Lockwire holes H prEN 3229 Page 6 080 to 160 180 to 240 4 Designation Example : C A Description block I Identity block NUT 1 EN3229H060 i Number of this standard Hole code (see table 21 Diameter code (see table 1) J Table 2 I No hole I - (hyphen) I Note : If necessary, the originator code 19005 shall be placed between the description block and the identity block. 5 Marking See table 3. Table 3 Diameter code EN 2424 040 to 070 6 Technical specification IS0 9139 except for approval of manufacturers : see EN 2000.

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