2001 (and backfills for previous years) / DB reference years
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Author Choi-DS; Lee-SH; Shin-BS; Whang-KH; Yoon-KK; Sarma-SE; KIMM, Jangdong, Taejeon, South Korea
Source Journal-of-Materials-Processing-Technology. v 113 n 1-3 Jun 15 2001, p 285-290
Abstract Machining is the most commonly used process in the manufacturing of prototypes. This process offers several advantages, such as rigidity of the machine, precision of the operation and an especially quick delivery. The weight and immobility of the machine support and immobilize the part during the operation. However, despite these advantages, machining still presents several limitations. The immobilization, location and support of the parts are referred to as fixturing or workholding and present the biggest challenge for time-efficient machining. Thus, it is important to select and design an appropriate fixturing assembly. This assembly depends on the complexity of the part and the tool path and may require the construction of dedicated fixtures. With traditional techniques, the range of fixturable shapes is limited and the identification of suitable fixtures in a given set-up involves complex reasoning. To solve this limitation and to apply the automation, this paper presents reference- free part encapsulation and the implementation of the encapsulation system. The feature-based modeling and encapsulation systems are explored. A small part for which it is difficult to determine the appropriate fixturing assembly is made by this system. 16 Refs. (Auth abstract) XX