Frontiers of Assembly and Manufacturing: Selected papers by Raúl Suárez (auth.), Sukhan Lee, Raúl Suárez, Byung-Wook

By Raúl Suárez (auth.), Sukhan Lee, Raúl Suárez, Byung-Wook Choi (eds.)

The target of this quantity is to teach how the meeting and production applied sciences evolve besides the development of permitting applied sciences and the way the emergence of a excessive complexity of micro/nano process items dictate the improvement of recent applied sciences and instruments for his or her meeting and production. To this finish, we now have selected 19 papers, superior but appropriate, out of the seventy six papers approved to provide on the eighth IEEE foreign Symposium on meeting and production. the nineteen papers selected are additional revised into the ultimate manuscripts for booklet chapters which are geared up into 3 components: half I: Fixture, greedy and Manipulation in meeting and production, half II: Micro/Macro meeting and Disassembly, and half III: production approach Scheduling and keep an eye on. half I, II and III are reviewed and arranged through the co-editors of this quantity, Prof. Raul Suarez, Prof. Sukhan Lee and Dr. Byungwook Choi, respectively.

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In these figures, detected unmachinable regions are superimposed on the features in the nominal shape. Since un-machinable regions usually exist on the extended part of the features, they sometimes appear in the outside of the nominal features. In the figure, red curves surrounding the features represent the boundary of the extended features. Cutter Accessibility Analysis of a Part with Geometric Uncertainties 51 (a) (b) Fig. 14 Close-up picture of an enclosed part in figure 13. (a) Un-machinable regions on table features, and (b) such regions on vertical wall features.

It does not require advance preparation such as tool calibration. It does not require skilled operator for high precision calibration. To validate this method, we did experiments of repeatability and precision evaluation. With these experiments, effectiveness of the proposed method is verified. As future work, we want to achieve enhancement of precision of the calibration. And in this time, touching positions for calibration are manually designed. The operator considers distance between each touching point and between touching point and operation target position.

A) Un-machinable regions on table features, and (b) such regions on vertical wall features. 7 Conclusion In this paper, the authors propose a manufacturability analysis system which can detect un-machinable features caused by the shape errors of raw cast objects. The following 4 technologies are developed for the system; 1. The maximum volume shape of a holder part is computed by expanding the raw cast surface of the part and extending its form features. 2. Expanded raw cast surface and extended form features often have mutual interferences.

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