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REXS Specification

Modeling concept

Components & attributes

A component describes a machine element (e.g., cylindrical gear) or part of a machine element (e.g., shaft section) and is described by a set of attributes (parameters; e.g., number of teeth of a cylindrical gear).


Schematic diagram of the relationship between components and attributes


Example: a bevel gear stage component with shaft angle and axial offset attributes.


Relations consist of references to components and reflect the structure of the model or sub-model. All components connected by relations must be present in the model.


Schematic diagram of the relationship between relations and components


Example: connection between shaft and gear components via an assembly relation