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BS EN 13001-3-6:2018+A1:2021

BS EN 13001-3-6:2018+A1:2021

$198.66

Cranes. General design – Limit states and proof of competence of machinery. Hydraulic cylinders

Published By Publication Date Number of Pages
BSI 2021 66
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This European Standard is to be used together with EN 13001-1, EN 13001-2 and EN 13001-3-1 as well as pertinent crane type product EN standards, and as such they specify general conditions, requirements and methods to, by design and theoretical verification, prevent mechanical hazards of hydraulic cylinders that are part of the load carrying structures of cranes. Hydraulic piping, hoses and connectors used with the cylinders, as well as cylinders made from other material than carbon steel, are not within the scope of this standard. The following are significant hazardous situations and hazardous events that could result in risks to persons during intended use and reasonably foreseeable misuse. Clauses 4 to 7 of this standard are necessary to reduce or eliminate risks associated with the following hazards: a) exceeding the limits of strength (yield, ultimate, fatigue); b) elastic instability (column buckling). NOTE EN 13001-3-6 deals only with the limit state method in accordance with EN 13001-1.

PDF Catalog

PDF Pages PDF Title
2 undefined
10 1 Scope
2 Normative references
11 3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols an abbreviations
14 3.3 Terminology
16 4 General
4.1 Documentation
17 4.2 Materials for hydraulic cylinders
4.2.1 General requirements
18 4.2.2 Grades and qualities
5 Proof of static strength
5.1 General
20 5.2 Limit design stresses
5.2.1 General
5.2.2 Limit design stress in structural members
21 5.2.3 Limit design stresses in welded connections
5.3 Linear stress analysis
5.3.1 General
5.3.2 Typical load cases and boundary conditions
23 5.3.3 Cylinder tube
24 5.3.4 Cylinder bottom
5.3.4.1 Bottom plate
25 5.3.4.2 Bottom weld
5.3.5 Piston rod welds
26 5.3.6 Cylinder head
5.3.7 Cylinder tube and piston rod threads
5.3.8 Thread undercuts and locking wire grooves
27 5.3.9 Oil connector welds
5.3.10 Connecting interfaces to crane structure
28 5.4 Nonlinear stress analysis
5.4.1 General
5.4.2 Standard cylinder with end moments
5.4.3 Support leg
29 5.5 Execution of the proof
5.5.1 Proof for load bearing components
5.5.2 Proof for bolted connections
30 5.5.3 Proof for welded connections
6 Proof of fatigue strength
6.1 !General
6.2 Stress histories
32 6.3 Execution of the proof
6.4 Limit design stress range
6.5 Details for consideration
6.5.1 General
33 6.5.2 Bottom weld
35 6.5.3 Notch stress at oil connectors
36 6.5.4 Cylinder head
6.5.4.1 General
6.5.4.2 Tube thread
37 6.5.4.3 Tube thread undercut
38 6.5.4.4 Locking wire groove
6.5.5 Piston rod
6.5.5.1 General
6.5.5.2 Piston rod threads
39 6.5.5.3 Piston rod thread undercuts
6.5.5.4 Piston rod welds
40 6.5.6 Cylinder head bolts
6.5.7 Cylinder head flange weld
6.5.7.1 General
41 6.5.7.2 Pulling cylinder, axial stress
42 6.5.7.3 Pushing cylinder, axial stress at end of stroke
6.5.7.4 Pushing and pulling cylinder, axial stress
43 6.5.7.5 Pulling cylinder, tangential stress
6.5.8 Mechanical interfaces
7 Proof of elastic stability
7.1 General
7.2 Critical buckling load
45 7.3 Limit compressive design force
46 7.4 Execution of the proof
47 Annex A (informative)Critical buckling load for common buckling cases
A.1 General
48 A.2 Buckling case A
A.3 Buckling case B
49 A.4 Buckling case C
A.5 Buckling case D
A.6 Buckling case E
50 A.7 Buckling case F
A.8 Buckling case G
51 Annex B (informative)Second order analysis of two important cases
B.1 Compressed cylinder with end moments and angular misalignment
52 B.2 Compressed cylinder with lateral end force and angular misalignment
53 B.3 Axial stresses for cases in B.1 and B.2
54 Annex C (informative)Shell section forces and moments for cylinder bottom
57 Annex D (informative)Fatigue analysis of bottom weld for more complex cases
60 Annex E (informative)Selection of a suitable set of crane standards for a given application
62 Annex F (informative)List of hazards
63 Annex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2006/42/EC aimed to be covered

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BS EN 13001-3-6:2018+A1:2021
$198.66