An object-oriented neutral feature model for feature conversion

Wong, T. N.; Leung, C. B.

doi:10.1080/002075400422806

Cited by 2 publications

(2 citation statements)

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“…Gonza´lez and P. Rosado researchers have pointed out the convenience of machining feature recognition because in this way its correct use is guaranteed from a manufacturing perspective. This appropriate use cannot be guaranteed by a direct design on machining features (Dong andVijayan 1997, Wong andLeung 2000). However, it is even more important to bear in mind the representation restrictions of machining features with regard to the different perspectives inherent to CAPP (Case and Wan Harun 2000).…”

Section: Introductionmentioning

confidence: 97%

“…Most are isolated and specific to the CAPP system using them (Allada and Anand 1995). There have been few attempts to propose general models (Wong and Leung 2000), although individual applications usually use similar types of machining features. The STEP initiative, whose main aim is to promote information exchange, has resulted in the creation of a standard for representing machining features and is described in International Standard Organisation (ISO) Standard 10303-224 (1997).…”

Section: Introductionmentioning

confidence: 99%

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General information model for representing machining features in CAPP systems

González

Rosado

2004

International Journal of Production Research

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Today, the generality of computer-aided process planning (CAPP) systems and their standardization do not achieve satisfactory standards levels for industry. One of the major causes here is the difficulty of integration with computeraided design applications, due mainly to the product model used. It is therefore necessary to identify models that are general with regard to the products, but at the same time suitable for CAPP. A product model suitable for CAPP must represent the product conceptually, enabling the development of process planning functions that operate with manufacturing concepts. It is therefore necessary to develop product information models using this philosophy. The present paper focuses on this problem and proposes an information system for representing the product for internal CAPP use. It is geared towards representing all of the part information (necessary for manufacturing) integrally with the machining features and under the same concept as these features. To this end, one of the main characteristics of the model is the absence of conventional geometric entities. The application domain of the model proposed is the assignment of processes and machines in machined parts. The GF-CAPP system has revealed that the advantages of using this type of product model in CAPP are its generality with regard to the product and the ease of developing functional procedures that are general, simple and independent.

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Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%