1 Scope and field of application
2 Concepts
3 Designation
3.1 General
3.2 Forms
3.3 Examples of standard designation
4 Technical delivery conditions
4.1 Calculation
4.2 Design
4.3 Manufacturing process and materials
4.4 Heat treatment
4.5 Wear reduction
4.6 Dimensional and geometrical tolerances
4.7 Surface finish
4.8 Requirements to be met by cast coupling
components
4.9 Requirements to be met by forged coupling
components
4.10 Balancing
4.11 Alignment faces
4.12 Printed information
4.13 Details to be given on drawings
4.14 Reduction of number of types
4.15 Materials testing certificates
4.16 Other requirements
5 Marking
6 Operating instruction manual