ASD-STAN PREN 3295-1999 Aerospace Series Shaft-Nuts Self-Locking in FE-PA92HT (A286) Silver Plated (Edition P 3 )《航空航天系列 镀银FE-PA92HT(A286)制自锁柄螺母 第P3版 [替代为 ASD-STAN PREN 4396]》.pdf
《ASD-STAN PREN 3295-1999 Aerospace Series Shaft-Nuts Self-Locking in FE-PA92HT (A286) Silver Plated (Edition P 3 )《航空航天系列 镀银FE-PA92HT(A286)制自锁柄螺母 第P3版 [替代为 ASD-STAN PREN 4396]》.pdf》由会员分享,可在线阅读,更多相关《ASD-STAN PREN 3295-1999 Aerospace Series Shaft-Nuts Self-Locking in FE-PA92HT (A286) Silver Plated (Edition P 3 )《航空航天系列 镀银FE-PA92HT(A286)制自锁柄螺母 第P3版 [替代为 ASD-STAN PREN 4396]》.pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、STD*AECMA PREN 3295-ENGL 1999 W 1012311 OOlb089 Ob7 W i AECMA STANDARD NORME AECMA AECMA NORM Srie arospatiale crous darbre, auto-freinants, en FE-PA92HT (A286), argents prEN 3295 Edition P 3 February 1999 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 B
2、RUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: 49.030.30 ENGLISH VERSION Aerospace series Shaft-nuts, self-locking, in FE-PA92HT (A286), silver plated Supersedes issue P 2 August 1992 Luft- und Raumfahrt Wellenmuttern, selbstsichernd, aus FE-PA92HT (A286), versilbert This Merospace
3、Series“ Prestandard has European Association of Aerospace Indu Committee following comment b risibility of AECMA (The paper for the needs of ature of the AECMA Standard Checking Centre (NPS) and formal ervices of the Member countries if wili be submitted as a draff European Standard to CEN (European
4、 Committee for Standardization) for formal vote. I Replace page 1 of the previous issue by this page 1 Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199. we Jean-Jaques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Withdrawal approved 1999-02-26 Comments should be sent within six m
5、onths after the date of publication to AECMA Gulledelle 94 B-1200 BRUXELLES CS Chairman Mr Feltham aecma 1999 CEN PREN*3295 92 m 3404589 0031415 615 prEN 3295 Page 3 O introduction Prior to manufacture as per this standard, patent rights shall be examined by the manufacturer. 1 This standard specifi
6、es the characteristics of self-locking shaft-nuts in FE-PA92HT chiefly used for axial location of bearing inner rings on shafts. Maximum test temperature of the parts 450 OC. Scope and field of application Note : These parts are designed to be used with 496g external threads. 2 References IS0 5855-1
7、, Aerospace - MJ threads - Part 1 : General requirements EN 2171, Heat resisting steel FE-PA92-HT - R, 2 900 MPa - Bars - Aerospace series EN 2424, EN 2786, EN 3299, Aerospace series - Identification marking of standard fasteners Aerospace series - Electrolytic silver plating of fasteners 2, Aerospa
8、ce series - Bearing nuts, self locking, in heat resisting steel FE-PA92HT (A2861 - Technical specification 2, 3 Required characteristics 3.1 See figure 1 and table 1. Dimensions and tolerances are in millimetres. They apply after silver plating. 3.2 Material EN 2171 Configuration - Dimensions - Tole
9、rances - Masses 3.3 Surface treatment EN 2786 Thickness : - External surfaces : 5 pm to 15 pm ; - Thread : 5 pm min. shall be measured at the pitch diameter. Published as AECMA standard at the date of publication of the present standard 2, In preparation at the date of publication of the present sta
10、ndard Previous page is blank CEN PREN*3295 92 3404589 0033436 751 i prEN 3295 Page 4 Value5 opplicable before silver plating Thread?s surface wilt be os achieved hy normal methods of monufacture Marking in these areas Remove sharp edges 0,1 ta (1.6 see test-conditions in EM 3299 DetaiLs of form not
11、stated and seif lacking feature are left to the manufacturer?s discretion. Figure 1 Table 1 Thread ?) E Code Designation * 0,2 O1 2 MJ121,25-4H5H 12,5 MJI 51,5-4H5H 15,5 18,5 O1 9 MJSI 91,5-4H5H 19,5 020 MJ201,5-4H5H 20,5 021 I MJS21x1,5-4H5H I 21,5 0): I MJ22x1,5-4H5H 1 )!:; 024 MJ241,5-4H5H 24,5 M
12、JS23xI ,5-4H5H 025 1 MJ25x1,5-4H5H I 25,5 026 ! MJ26x1.5-4H5H I 26.5 MJS291,5-4H5H 29,5 r P min. 10 11 11,7 12,7 13,7 14,7 - 15,7 16,7 17,7 18,7 19,7 20,7 21,7 22,7 23,7 24,7 25,7 26,7 ?I In conformity with IS0 5855-1 in none self-locking zone a) Minimum diameter of internal envelope circle after re
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