ASD-STAN PREN 4534-2-2015 Aerospace series Bushes plain in aluminium alloy with self-lubricating liner elevated load Part 2 Dimensions and loads Inch series (Edition P2).pdf
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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4534-2 Edition P 2 April 2015 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: 49.030.99; 49.035 Supersedes e
2、dition P 1 of January 2008 and will supersede EN 4534-2:2009 Descriptors: ENGLISH VERSION Aerospace series Bushes, plain in aluminium alloy with self-lubricating liner, elevated load Part 2: Dimensions and loads Inch series Srie arospatiale Bagues en alliage daluminium garniture autolubrifiante, cha
3、rge leve Partie 2 : Dimensions et charges Srie en inches Luft- und Raumfahrt Buchsen aus Aluminiumlegierung, mit selbstschmierender Beschichtung, erhhte Belastung Teil 2: Mae und Belastungen Inch Reihe This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The Ae
4、roSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technic
5、al content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European C
6、ommittee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition appr
7、oved for publication 1st April 2015 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain Copyright 2015 by ASD-STAN prEN 4534-2:2015 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Terms and definitions . 3 4 Requirements . 3 5 Des
8、ignation 12 6 Marking .13 7 Technical specification .13 8 Design recommendation .13 Annex A (informative) Standard evolution form .14 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Mechanical Domain. After inquiries and votes carried out in accordance with the r
9、ules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4534-2:2015 (E) 3 1 Scope This standard specifies the characteristics of plain bushes in aluminium alloy with self-lubricating liner, elevated load for aerospace applications. The
10、bushes are intended for use in fixed or moving parts of the aircraft structure and control mechanisms. They shall be used in the temperature range 55 C to 121 C. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for
11、 its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2101, Aerospace series Chromic acid anodizing of aluminium and wrought aluminium alloys EN 2284, Aerospace series Sulph
12、uric acid anodizing of aluminium and wrought aluminium alloys EN 2311, Aerospace series Bushes with self-lubricating liner Technical specification EN 2318, Aerospace series Aluminium alloy AL-P2024- T3511 Extruded bars and sections 1,2 mm a or D 150 mm EN 2424, Aerospace series Marking of aerospace
13、products EN 4704, Aerospace series Tartaric-Sulphuric-Acid anodising of aluminium and aluminium wrought alloys for corrosion protection and paint pre-treatment (TSA) ISO 2768-1, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications TR 4475,
14、Aerospace series Bearings and mechanical transmissions for airframe applications Vocabulary 1) 3 Terms and definitions For the purposes of this document, the terms and definitions given in TR 4475 apply. 4 Requirements 4.1 Configuration, dimensions, tolerances and mass According to Figure 1 and Tabl
15、es 1 and 3. Dimensions apply after surface treatment. Dimensions and tolerances are expressed in millimetres (inches). Except for roughness given in micrometres (micro inches). General tolerances shall be ISO 2768-m in accordance with ISO 2768-1. 1) Published as ASD-STAN Technical Report at the date
16、 of publication of this standard. http:/www.asd-stan.org/ prEN 4534-2:2015 (E) 4 4.2 Surface roughness According to Figure 1. 4.3 Materials Bush: Aluminium alloy according to EN 2318. Liner: Self-lubricating wear resistant material consistent with the requirements of EN 2311. 4.4 Surface treatment S
17、ee Table 1 and Figure 1. Table 1 Surface treatment Code Surface treatment Remarks R Chromic acid anodizing according to EN 2101 Type A or Sulphic acid anodizing according to EN 2284 Type A Pre-treatment for painting S Chromic acid anodizing according to EN 2101 Type A (unsealed) Pre-treatment for pa
18、inting T Chromic acid anodizing according to EN 2101 Type B (sealed) Corrosion protection U Sulphic acid anodizing according to EN 2284 Type A (unsealed) Pre-treatment for painting V Sulphic acid anodizing according to EN 2284 Type B (sealed) Corrosion protection N Tartaric-Sulphuric-Acid anodizing
19、according to EN 4704 (unsealed) Pre-treatment for painting M Tartaric-Sulphuric-Acid anodizing according to EN 4704 (sealed) Corrosion protection prEN 4534-2:2015 (E) 5 Key a Chamfer machined before bonding b Chamfer or radius at manufacturers option c Chamfer machined after bonding Figure 1 Configu
20、ration prEN 4534-2:2015 (E) 6 Table 2 Dimensions and tolerances Diameter code a d D a Nominal diameter 0 0,025 0,013 2 00.0010( 0.000 5) 04 6,350 (0.250 0) 6,388 (0.251 5) 9,550 (0.376 0) 0,50 to 0,75 (0.020 to 0.030) 15 05 7,938 (0.312 5) 7,976 (0.314 0) 11,140 (0.438 6) 06 9,525 (0.375 0) 9,563 (0
21、.376 5) 12,730 (0.501 2) 07 11,113 (0.437 5) 11,151 (0.439 0) 14,321 (0.563 8) 08 12,700 (0.500 0) 12,738 (0.501 5) 15,913 (0.626 5) 09 14,288 (0.562 5) 14,326 (0.564 0) 17,506 (0.689 2) 10 15,875 (0.625 0) 15,913 (0.626 5) 20,681 (0.814 2) 11 17,463 (0.687 5) 17,501 (0.689 0) 22,268 (0.876 7) 12 19
22、,050 (0.750 0) 19,088 (0.751 5) 23,858 (0.939 3) 14 22,225 (0.875 0) 22,263 (0.876 5) 27,038 (1.064 5) 16 25,400 (1.000 0) 25,438 (1.001 5) 30,221 (1.189 8) 18 28,575 (1.125 0) 28,613 (1.126 5) 33,396 (1.314 8) 20 31,750 (1.250 0) 31,788 (1.251 5) 36,571 (1.439 8) 22 34,925 (1.375 0) 34,963 (1.376 5
23、) 39,746 (1.564 8) 24 38,100 (1.500 0) 38,138 (1.501 5) 44,508 (1.752 3) 26 41,275 (1.625 0) 41,313 (1.626 5) 47,683 (1.877 3) 28 44,450 (1.750 0) 44,488 (1.751 5) 50,858 (2.002 3) 32 50,800 (2.000 0) 50,838 (2.001 5) 57,208 (2.252 3) a Diameter code corresponds to nominal diameter d in 1/16 inch. p
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