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本文(AECMA PREN 3653-1992 Aerospace Series Nuts Anchor Self-Locking Floating Self-Aligning One Lug in Steel Cadmium Plated MoS2 Lubricated Classification 900 MPa (at Ambient Temperature.pdf)为本站会员(hopesteam270)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!

AECMA PREN 3653-1992 Aerospace Series Nuts Anchor Self-Locking Floating Self-Aligning One Lug in Steel Cadmium Plated MoS2 Lubricated Classification 900 MPa (at Ambient Temperature.pdf

1、7- CEN PREN+3b53 92 W 3V04589 0033588 b03 after the date of publication decision A.E C M A Technopolis - 175. rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cdex - FRANCE 1992-1 1-1 7 A. E .C. M .A. STAN DARD NORME A.E.C.M.A. A.E.C.M.A. NORM Mr. ARENA +c = prEN 3653 Edition P 1 November 1992 E

2、DITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopolic - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cdex - T1 (1 ) 47 36.98.76 UDC : Key words : ENGLISH VERSION Aerospace series Nuts, anchor, self-locking, floating, self-aligning, one lug, in steel,

3、cadmium plated, Mos2 lubricated Classification : 900 MPa (at ambient temperature) / 235 OC . Srie arospatiale Luft- und Raumfahrt Ecrous river, freinage interne, flottants, orientables, simple patte, en acier, cadmis, lubrifis Mos2 Classification : 900 MPa (A temprature ambiante) / 235 OC Annietmutt

4、ern, selbstsichernd, schwenkbar, einstellbar, einseitiger Flansch. aus Stahl, verkadmet, Mos2 geschmiert Klasse : 900 MPa (bei Raumtemperatur) / 235 OC This .Aerospace Series. pie-standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospat

5、ial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Commission following comment by the Member countries. Subsequent to the publication of this pre-standard, the technical content shall not be changed to an extent that

6、 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 submitted as a draft European Standard

7、to CEN (European Committee for Standardization) for final vote. Nota - Extra copies can tie supplied by B N.A E - Technupolis 54 - 199. rue Jean-Jacques Rousseau .- 921 38 ISSY LES MOULINEAUX CEDEX - Edition approved for publication Cornmerris should be sent within SIX months I C3 Chairman 0 aecrna

8、i9a Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- CEN PREN*3653 92 = 3404589 0033589 54T prEN 3653 Page 3 1 Scope and field of application This stan

9、dard specifies the characteristics of one lug, floating, self-aligning anchor nuts with a self-locking feature achieved by forming the upper portion out of round, in steel, cadmium plated, Mos2 lubricated, classification 900 MPa l) / 235 OC 2). 2 References IS0 5855-2 IS0 5858 IS0 8788 EN 2000 EN 21

10、33 EN 2424 EN 2491 EN 2542 EN 2543 EN 3042 TR 3791 Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts Aerospace - Self-locking nuts with maximum operating temperature less than or equal to 425 OC - Procurement specification Aerospace - Fasteners - Tolerances of form and position f

11、or nuts Aerospace series - Quality assurance - EN aerospace products - Approval of the quality systems 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 3, Aerospace series - Identificati

12、on marking of standard fasteners 3, Aerospace series - Molybdenum disulphide dry lubricants - Coating methods 4, Aerospace series - Steel FE-PL43S - Annealed - Bar and wire O, I 40 mm for prevailling torque nuts 5) Aerospace series - Steel FE-PL43S - Annealed - Sheet and strip 0,3 2 a I 2 mm for pre

13、vailling torque nuts 5) Aerospace series - Quality assurance - EN aerospace products - Qualification procedure Aerospace series - Materials for all metal self-locking nuts and thin wall inserts of temperature classes 2 425 OC 1) Corresponds to strength class of the associated bolt, the 100 per cent

14、load a. which it is able to withstand, when tested at ambient temperature, without 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 con

15、ditionned by the surface treatment. 3) Published as AECMA standard at the date of publication of this standard 41 In preparation at the date of pubtication of this standard 5) Published as AECMA pre-standard at the date of publication of this standard 6) Published as AECMA technical report at the da

16、te of publication of this standard Previous page is blank _- - - .r Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN PRENr3b53 92 = 3404589 0033590

17、261 prEN 3653 Page 4 3 Required characteristics 3.1 See figure 1 and table 1. Configuration - Dimensions - Masses ! Dimensions and tolerances are expressed in millimetres and apply after cadmium plating but before MOS, lubrication. 3.2 Materials EN 2452, EN 2453 or TR 3791 2 3.3 Surface treatment EN

18、 2133, 5 ,um minimum on threads and all surfaces which can be contacted by a 20 mm diameter ball. On all other surfaces a continuous cadmium plating shall be present, plus EN 2491, thickness not specified. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS unde

19、r license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(EN PRENx3653 92 3404589 0033593 IT8 Diritneter code 050 060 - Y -_ Thread II DE FH J K L M N Radial R T Mass kg11000 pieces miri. min. O max. max. iiiax. max. min. max. max. spprox. float + 0.2 P

20、MJ50.8-4HH 6.7 8.75 3.5 2.5 15.2 26.7 8.3 0.9 0.7 3.5 7.2 2.6 MJGx 1 -4H5ti 7.6 12.7 7.9 4 17 31.7 10.2 4 7.8 5.7 - prEN 3653 Page 5 - 080 MJ81-4H5ti Il Break sharp edges 0,l to 0,4 5 3 20.5 33.3 11.8 1.1 0.75 8.4 I 9.9 r -I 1 I In conformity with IS0 5855-2. In the self-locking zone the tolerances

21、apply before forming out of rouiid. i! Is ai)plicat)le at the rivet hole location. 4 I ,Marking R Ftoa t included Y-Y a 1) These values in micrometres, apply before surface treatment. The values do not apply to threads and sheared edges the surface texture of which will be achieved by usual manufact

22、uring methods. 2) Tooling marks are permitted in this area. 3) Detaiis of form not stated are at the manufacturers option. Tolerances of form and position shall be in conformity with IS0 8788. Figure 1 3, Table 1 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by I

23、HS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3653 Page 6 4 Designation Example : i Description block Identity block Number of this standard Diameter code (see table 1) Note : If necessary, the originator code 19005 shall be placed

24、 between the description block and the identity block. 5 Marking EN 2424, style N. See figurel. 6 Technical specification IS0 5858 except for : - approval of manufacturers : see EN 2000 ; - qualification of. products : see EN 3042. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-

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