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BS EN 2311:2017

BS EN 2311:2017

$142.49

Aerospace series. Bushes with self-lubricating liner. Technical specification

Published By Publication Date Number of Pages
BSI 2017 32
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This document specifies the required characteristics, inspections and tests, quality assurance and qualification, acceptance and delivery conditions for bushes, designed to be subjected under load, to slow sliding movements, rotations and small oscillations only for aerospace applications. This standard applies to all bushes when referred to in the respective product standards or in a design documentation. The liner is designed to be used in the temperature range of ?50 °C to 163 °C. Aluminium bushes are limited to ?55 °C to 121 °C.

PDF Catalog

PDF Pages PDF Title
6 1 Scope
2 Normative references
7 3 Terms and definitions
9 4 Required characteristics, inspection and test methods
13 5 Quality assurance
5.1 Manufacturer’s approval
5.2 Product qualification
14 6 Acceptance conditions
6.1 Manufacturer’s responsibility
6.2 Inspections and tests to be carried out by the manufacturer
6.3 Customer quality control
7 Packaging
15 8 Certificate of compliance
17 Annex A (normative)Testing of permissible and ultimate static loads
A.1 Permissible radial static loads (Cs)
A.1.1 Principle
A.1.2 Method
A.2 Ultimate radial static loads
A.2.1 Principle
A.2.2 Method
18 A.3 Permissible axial static loads (Ca)
A.3.1 Principle
A.3.2 Method
19 A.4 Ultimate axial static loads
A.4.1 Principle
A.4.2 Method
21 Annex B (normative)Testing of permissible radial dynamic loads (C25)
B.1 Principle
B.2 Method
B.2.1 Test to be carried out at ambient temperature
B.2.2 Test to be carried out at low temperature
22 B.2.3 Test to be carried out at high temperature
B.2.4 Test to be carried out at ambient temperature following immersion
24 Annex C (normative)Fluids — Essential characteristics
C.1 Fuel for turbine aero engine
C.2 Fluids for de-icing circuit
C.3 Hydraulic fluids
C.3.1 Mineral fluid for hydraulic transmission
25 C.3.2 Phosphate of ester hydraulic fluid
C.4 De-icing and anti-icing fluids
26 Annex D (normative)Resistance of the liner to peeling
D.1 Principle
D.2 Method
27 Annex E (normative)Measurement of friction coefficient for EN 4534-2, EN 45352, EN 45362 and EN 4537-2 (for inch size only)
E.1 Principle
E.2 Starting torque under load C25 at room temperature
E.2.1 General
E.2.2 Method
29 Annex F (informative)Permissible unit pressure
30 Annex G (informative)Standard evolution form

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BS EN 2311:2017
$142.49