Feature-based tolerancing for intelligent inspection process definition

Conference · Thu Jul 01 04:00:00 EDT 1993

OSTI ID:10183233

Brown, C W

This paper describes a feature-based tolerancing capability that complements a geometric solid model with an explicit representation of conventional and geometric tolerances. This capability is focused on supporting an intelligent inspection process definition system. The feature-based tolerance model`s benefits include advancing complete product definition initiatives (e.g., STEP -- Standard for Exchange of Product model dam), suppling computer-integrated manufacturing applications (e.g., generative process planning and automated part programming) with product definition information, and assisting in the solution of measurement performance issues. A feature-based tolerance information model was developed based upon the notion of a feature`s toleranceable aspects and describes an object-oriented scheme for representing and relating tolerance features, tolerances, and datum reference frames. For easy incorporation, the tolerance feature entities are interconnected with STEP solid model entities. This schema will explicitly represent the tolerance specification for mechanical products, support advanced dimensional measurement applications, and assist in tolerance-related methods divergence issues.

• Research Organization: Allied-Signal Aerospace Co., Kansas City, MO (United States). Kansas City Div.
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC04-76DP00613
• OSTI ID: 10183233
• Report Number(s): KCP--613-5260; CONF-9306209--1; ON: DE93017984
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320303
99 GENERAL AND MISCELLANEOUS
990200
AUTOMATION
COMPUTER-AIDED MANUFACTURING
EQUIPMENT AND PROCESSES
INSPECTION
MATHEMATICS AND COMPUTERS
ORGANIZATIONAL MODELS
PRODUCTION
STANDARDS
TOLERANCE