ISO 4301-1:2016
Cranes — Classification — Part 1: General
ISO 4301-1:2016 establishes a general classification of cranes and mechanisms based on the service conditions, mainly expressed by the following:
- the total number of working cycles to be carried out during the specified design life of the crane;
- the load spectrum factor which represents the relative frequencies of loads to be handled;
- the average displacements.
Additional information for the user: This version uses the cycle - based classification method. If you need to use the time - based classification method please use the 1986 version.
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Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Symbols
5 Use of classification
5.1 General
5.2 Use of classification for commercial specification
5.3 Use of classification in the design
6 Classification of crane duty for the crane as a whole
6.1 General
6.2 Total number of crane working cycles
6.3 State of loading
6.4 Group classification
6.5 Average displacements
6.5.1 General
6.5.2 Average linear displacements
6.5.3 Average angular displacements
7 Classification of components and mechanisms
7.1 General
7.2 Total number of component working cycles
7.3 State of loading
7.4 Group classification
7.5 Average displacements
7.6 Accelerations per movement
7.7 Stress histories
Annex A (informative) Examples for average displacements
Annex B (informative) Guidance for the conversion of M-classes
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Symbols
5 Use of classification
5.1 General
5.2 Use of classification for commercial specification
5.3 Use of classification in the design
6 Classification of crane duty for the crane as a whole
6.1 General
6.2 Total number of crane working cycles
6.3 State of loading
6.4 Group classification
6.5 Average displacements
6.5.1 General
6.5.2 Average linear displacements
6.5.3 Average angular displacements
7 Classification of components and mechanisms
7.1 General
7.2 Total number of component working cycles
7.3 State of loading
7.4 Group classification
7.5 Average displacements
7.6 Accelerations per movement
7.7 Stress histories
Annex A (informative) Examples for average displacements
Annex B (informative) Guidance for the conversion of M-classes
Bibliography