Manufacturing Knowledge Representation Using an Object Oriented Data Model
A common data base plays a key role in the development of a Computer Integrated Manufacturing System (CIMS) and a Manufacturing Data Base (MDB) is one of the necessary components of an integrated data base. A MDB needs to have information on part geometry features, operation processes, operating parameters, machine tools, cutting tools, jigs and fixtures. A MDB should also provide capabilities to model, store and manipulate manufacturing data in a manner suitable to the users. The commercial Data Base Management Systems (DBMS) are not widely used in manufacturing application primarily because the conceptual and internal modeling tools that they provide do not meet the requirements of a manufacturing user. This paper describes an object-oriented data model suitable for the manufacturing domain. In the object-oriented data model, it is easy to describe and maintain a manufacturing objects, such as parts, machine tools, cutting tools, fixtures, etc.
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