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BS EN 4691-1:2017

$198.66

Aerospace series. Tie rod with integrated bolts – Technical specification

Published By Publication Date Number of Pages
BSI 2017 58
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This standard specifies the required characteristics, inspection and test methods, qualification and acceptance conditions for rod assemblies with two adjustable ends with integrated bolts, designed to withstand static and dynamic loads possible for interior and substructure in the temperature range from ? 55 Ā°C to 85 Ā°C. It is applicable whenever referenced. For a complete overview see EN 4691-2.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Introduction
7 1 Scope
2 Normative references
9 3 Terms and definitions
10 4 Symbols and abbreviations
11 5 Required characteristics, inspections and test methods
12 6 Allowable static loads
6.1 Load calculation
6.2 Static tension loads
15 6.3 Static compression loads
19 7 Allowable dynamic loads
7.1 Description of Test procedure
20 7.2 Wƶhler curve and Minerā€™s rule
21 7.3 Part related Wƶhler curve
24 8 Assembly load locking clip ENĀ 4692
8.1 Requirements
25 8.2 Assembly load
9 Adjustment-torque
9.1 Requirements
9.2 Torque of thread
26 10 Technical requirements
10.1 General
10.2 Check of external surfaces
10.2.1 Visual inspection
10.2.2 Roughness check
10.2.3 Dye-penetrant inspection
10.3 Cross sectional check
10.3.1 General
27 10.3.2 Transversal sections
10.3.2.1 Check of internal surface defects
10.3.2.2 Check of defects on external surfaces
10.3.3 Longitudinal sections
10.3.3.1 Grain flow inspection
10.3.3.2 Grain size check
10.3.3.3 Checking of threads
10.4 Dimensional check
10.4.1 Check of general rod design
10.4.2 Check of rod geometrical characteristics
28 10.4.3 Check of rod straightness
10.4.4 Rod with two added rod ends
29 10.4.5 Check of end eccentricity
10.5 Static load test of rod assembly
10.5.1 Tensile resistant
10.5.2 Compression resistant
10.6 Check of mass
10.7 Check of paint thickness
10.8 Tensile test
10.8.1 Check of limit tensile load
10.8.2 Check of the ultimate tensile load
30 10.8.3 Check of tensile strength
10.9 Compression tests
10.9.1 Check of limit compression load
10.9.2 Check of ultimate compression load
10.9.3 Check of buckling strength
10.10 Break away torque test plastic insert
10.11 Corrosion test
10.12 Fire worthiness requirements
10.13 Environmental conditions
10.13.1 Requirements
10.13.2 Purpose of the test
31 10.13.3 Test procedure
10.13.4 Conclusion
10.14 Marking
32 11 Qualification
11.1 Approval of manufacturers
11.2 Responsibility for inspection
11.3 Classification of inspection
11.4 Qualification test
11.5 First article inspection
33 11.6 Conformance/Acceptance test
12 Condition on delivery
12.1 Packaging
12.2 Marking of packages
12.3 Unit and transport packages
13 Material
13.1 Requirement
34 13.2 Inspections and test method
39 AnnexĀ A (normative)Sampling
A.1 Acceptance test samples
40 A.2 Qualification test samples
56 AnnexĀ B (informative)Standard evolution form
BS EN 4691-1:2017
$198.66