Automatic Dimensioning of Cylindrical Parts in an Intelligent Feature-Based Design System

This paper describes a method for automatic dimensioning of cylindrical parts represented by features. The identification of the entities in the part that need to be dimensioned is performed based on the part’s features, which contain information about the part’s geometry and the assembly relations between parts. The dimensioning analysis is based on the concept of functional dimensioning, which presupposes that the position of the part in the assembly is known, and then the dimensions to be controlled are determined, and they are assigned automatically to the part by the system. The dimensions are determined with the aid of an expert system.