Aerospace series - Bushes, plain in aluminium alloy with self-lubricating liner, elevated load - Part 2: Dimensions and loads - Inch series

This European Standard specifies the characteristics of plain bushes in aluminium alloy with self-lubricating liner, elevated load for aerospace applications.
The 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.

Luft- und Raumfahrt - Buchsen aus Aluminiumlegierung, mit selbstschmierender Beschichtung, erhöhte Belastung - Teil 2: Maße und Belastungen - Inch-Reihe

Série aérospatiale - Bagues en alliage d'aluminium à garniture autolubrifiante, charge élevée - Partie 2: Dimensions et charges - Série en inches

Aeronavtika - Drsne puše iz aluminijeve zlitine s samomazalno oblogo, serija za večje obremenitve - 2. del: Mere in nosilnosti - Colski tip

Ta evropski standard določa lastnosti drsnih puš iz aluminijeve zlitine s samomazalno oblogo, serija za večje obremenitve za uporabo v aeronavtiki.
Puše so namenjene za uporabo v fiksnih ali premikajočih se delih ogrodja letala in nadzornih
mehanizmih. Uporabljati jih je treba v temperaturnem razponu –55 °C do 121 °C.

General Information

Status
Published
Publication Date
06-Sep-2016
Withdrawal Date
06-Mar-2017
ICS
49.030.99 - Other fasteners
 
49.035 - Components for aerospace construction
Technical Committee
ASD-STAN - Aerospace
Drafting Committee
ASD-STAN/D 3 - Mechanical
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
07-Sep-2016
Completion Date
07-Sep-2016
Ref Project
SIST EN 4534-2:2016 - Aerospace series - Bushes, plain in aluminium alloy with self-lubricating liner, elevated load - Part 2: Dimensions and loads - Inch series

Relations

Replaces
EN 4534-2:2009 - Aerospace series - Bushes, plain in aluminium alloy with self-lubricating liner, elevated load - Part 2: Dimensions and loads - Inch series
Effective Date
14-Sep-2016

Overview

EN 4534-2:2016 is a European aerospace standard that specifies the dimensions, loads and general characteristics of plain bushes made from aluminium alloy with a self‑lubricating liner for elevated load applications - Inch series. The bushes are intended for use in fixed or moving parts of aircraft structures and control mechanisms and are qualified for the temperature range −55 °C to 121 °C.

Key topics and requirements

  • Scope & configuration: Defines bush geometry, chamfers, radii and dimensional layout (figure and tables). Dimensions apply after surface treatment and are given in millimetres with inch equivalents.
  • Materials:
    • Bush body: aluminium alloy per EN 2318.
    • Liner: self‑lubricating wear‑resistant material per EN 2311.
  • Dimensions & tolerances:
    • Inch‑series nominal diameters use a diameter code = 1/16 inch and length code = 1/32 inch.
    • General tolerances: ISO 2768‑m (linear and angular where not otherwise specified).
  • Surface treatment: Codes and options specified (examples below). Surface finishes and roughness requirements are included; dimensions relate to post‑treatment size.
    • R = Chromic or Sulphuric acid anodizing (pre‑paint)
    • S = Chromic acid anodizing (unsealed, pre‑paint)
    • T, V, M = Sealed anodizing (corrosion protection)
    • N = TSA anodizing (pre‑paint)
  • Loads & performance:
    • Detailed tables for permissible radial loads (static Cs and dynamic C25) by diameter and length codes.
    • Formula note: Cs = 0,290 · d · (L − 2) based on unit pressure 290 MPa.
    • Ultimate load conditions and limiting stresses are stated (e.g., permissible bending and shear stress levels in the document).
  • Marking, designation & technical data: Requirements for marking, designation format and a technical specification template are included to support procurement and interchangeability.

Practical applications

  • Use in airframe fittings, hinge points, control linkages, pivot joints and other moving or fixed interfaces where lightweight, self‑lubricating bearing surfaces are needed under elevated loads.
  • Common in repair, overhaul, procurement and part specification for aircraft manufacturers, MROs and suppliers.

Who should use this standard

  • Aerospace part designers and structural engineers
  • Component manufacturers and heat‑treatment/anodizing suppliers
  • Procurement, quality and certification teams specifying bushings for aircraft systems
  • Maintenance and overhaul organisations ensuring correct replacement parts

Related standards

  • EN 2311 (self‑lubricating liner technical spec)
  • EN 2318 (aluminium alloy specification)
  • EN 2101 / EN 2284 / EN 4704 (anodizing treatments)
  • ISO 2768‑1 (general tolerances)

EN 4534-2:2016 provides the authoritative dimensional, material and load data needed to specify, qualify and interchange aluminium plain bushes with self‑lubricating liners in aerospace applications.

Frequently Asked Questions

EN 4534-2:2016 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Bushes, plain in aluminium alloy with self-lubricating liner, elevated load - Part 2: Dimensions and loads - Inch series". This standard covers: This European Standard specifies the characteristics of plain bushes in aluminium alloy with self-lubricating liner, elevated load for aerospace applications. The 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.

This European Standard specifies the characteristics of plain bushes in aluminium alloy with self-lubricating liner, elevated load for aerospace applications. The 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.

EN 4534-2:2016 is classified under the following ICS (International Classification for Standards) categories: 49.030.99 - Other fasteners; 49.035 - Components for aerospace construction. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 4534-2:2016 has the following relationships with other standards: It is inter standard links to EN 4534-2:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

You can purchase EN 4534-2:2016 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.

Standards Content (Sample)


2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Buchsen aus Aluminiumlegierung, mit selbstschmierender Beschichtung, erhöhte Belastung - Teil 2: Maße und Belastungen - Inch-ReiheSérie aérospatiale - Bagues en alliage d'aluminium à garniture autolubrifiante, charge élevée - Partie 2: Dimensions et charges - Série en inchesAerospace series - Bushes, plain in aluminium alloy with self-lubricating liner, elevated load - Part 2: Dimensions and loads - Inch series49.035Sestavni deli za letalsko in vesoljsko gradnjoComponents for aerospace construction49.025.20AluminijAluminiumICS:Ta slovenski standard je istoveten z:EN 4534-2:2016SIST EN 4534-2:2016en,fr,de01-november-2016SIST EN 4534-2:2016SLOVENSKI
STANDARDSIST EN 4534-2:20091DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4534-2
September
t r s x ICS
v {ä r u w Supersedes EN
v w u væ tã t r r {English Version
Aerospace series æ Bushesá plain in aluminium alloy with selfælubricating linerá elevated load æ Part
tã Dimensions and loads æ Inch series Sßrie aßrospatiale æ Bagues en alliage d 5aluminium à garniture autolubrifianteá charge ßlevße æ Partie
tã Dimensions et charges æ Sßrie en inches
Luftæ und Raumfahrt æ Buchsen aus Aluminiumlegierungá mit selbstschmierender Beschichtungá erhöhte Belastung æ Teil
tã Maße und Belastungen æ InchæReihe This European Standard was approved by CEN on
v March
t r s xä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey andUnited Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s x CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
v w u væ tã t r s x ESIST EN 4534-2:2016

Standard evolution form . 15
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 Tables 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 of publication of this European Standard. http://www.asd-stan.org/ SIST EN 4534-2:2016

Key a Chamfer machined before bonding b Chamfer or radius at manufacturers option c Chamfer machined after bonding Figure 1 — Configuration SIST EN 4534-2:2016

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 (0.376 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 19,050 (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) 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.
005 006 007 008 009 010 011 012 014 016 018 020 022 024 028
L
00,25− −0.0100
3,97 4,76 5,56 6,35 7,14 7,94 8,73 9,53 11,11 12,70 14,29 15,88 17,46 19,05 22,23
(0.156) (0.188) (0.219) (0.250) (0.281) (0.313) (0.344) (0.375) (0.438) (0.500) (0.563) (0.625) (0.688) (0.750) (0.875)
04 0,44 0,53 0,62 0,70 0,79 0,88 0,97 1,06 1,23 — — — — — —
05 0,53 0,63 0,74 0,84 0,95 1,06 1,16 1,27 1,48 1,69 1,90 — — — —
06 0,62 0,74 0,86 0,99 1,11 1,23 1,36 1,48 1,73 1,
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.

Loading comments...

The standard EN 4534-2:2016 provides comprehensive specifications for plain bushes made from aluminium alloy that feature a self-lubricating liner. This document plays a vital role in the aerospace industry by ensuring that these components meet the high-performance requirements necessary for aviation applications. The scope of EN 4534-2:2016 clearly delineates its applicability, focusing on the dimensions and loads of these plain bushes, thus ensuring they are suitable for both static and dynamic applications within aircraft structures and control mechanisms. The inclusion of specific operational temperature ranges, from -55 °C to 121 °C, establishes confidence in the material’s performance under extreme conditions typical in aerospace environments. One of the strengths of this standard lies in its emphasis on elevated load applications. This dimensioning ensures that the bushes can withstand significant stresses encountered during flight operations, enhancing safety and reliability. Furthermore, the specification of a self-lubricating liner addresses the critical need for reduced friction and wear over the component's lifespan, which is essential in the maintenance of performance in both fixed and moving parts. The standardization document adopts specific metrics for evaluating the bush dimensions, ensuring the interchangeability and standardization of parts across various manufacturers. This has particular relevance in the aerospace sector where precision is paramount; the standardized measurements help mitigate risks associated with component failure. Overall, EN 4534-2:2016 is a pivotal standard that not only sets forth rigorous requirements for the manufacturing of plain bushes but also highlights their crucial role in enhancing the overall integrity and functionality of aircraft systems. Its strengths in addressing load capacities, temperature tolerances, and self-lubrication make it a relevant and indispensable reference for aerospace engineering professionals focused on quality and safety in aircraft design and aeronautical applications.

標準SIST EN 4534-2:2016は、航空宇宙分野における重要な基準を提供し、アルミニウム合金製の自己潤滑ライナーを持つ平行軸ブッシュに関する特性を明確に定義しています。この標準は、航空機の構造と制御機構の固定部品または可動部品に使用されることを目的としており、その用途は非常に専門的で、航空宇宙産業における信頼性の高い部品の供給を確保しています。 この標準の強みは、ブッシュの寸法や荷重要件を詳細に示している点にあります。特に、幅広い温度範囲（-55 °Cから121 °C）において適応可能な設計は、過酷な航空環境でも信頼性を保つための重要な要素です。また、自己潤滑ライナーは、メンテナンスの手間を軽減し、長期的な信頼性を向上させるために重要な役割を果たしています。 標準の関連性も非常に高く、航空機の性能と安全性を確保するために必要不可欠です。航空機産業では、部品の品質と性能が直接的に安全性に影響を及ぼすため、これらの基準に準拠することは非常に重要です。SIST EN 4534-2:2016は、その特性と要件を十分に満たすことで、航空宇宙業界において高い評価を得るべき標準であると言えます。

SIST EN 4534-2:2016 문서는 항공우주 분야에서 사용되는 알루미늄 합금으로 된 평면 부시의 특성을 명시하고 있으며, 자가 윤활 라이너가 장착된 고하중 응용을 위해 설계되었습니다. 이 표준의 범위는 고정 및 이동 부품, 특히 항공기 구조와 제어 메커니즘에서의 활용에 중점을 두고 있습니다. 이는 항공기 부품의 신뢰성과 안전성이 무엇보다도 중요한 특성이라는 점을 강조합니다. 이 표준의 주요 강점 중 하나는 사용 온도가 -55 °C에서 121 °C까지의 넓은 범위를 지원한다는 것입니다. 이는 다양한 환경 조건에서의 적용 가능성을 보장하며, 신뢰성 있는 성능을 유지하는 데 중요한 역할을 합니다. 또한, 자가 윤활 라이너의 도입은 마찰과 마모를 줄여주어 부품의 긴 수명을 제공합니다. EN 4534-2:2016은 항공우주 산업에서 특정 요구 사항을 충족하는 부시의 정확한 치수와 하중을 규정하여, 고객이 필요로 하는 고품질 안정성을 보장합니다. 이 표준은 항공기 설계 및 제작 과정에서 필수적인 요소로 자리 잡고 있으며, 글로벌 항공우주 시장에서의 경쟁력을 높이는 데 중요한 역할을 합니다. 따라서 이 문서는 항공우주 산업의 여러 분야에서 사용되는 평면 부시의 설계, 제조 및 시험을 위한 필수 지침을 제공함으로써, 업계 전문가들에게 필수적인 참고 자료로 자리매김하고 있습니다.