Vol.5 No.3 2012

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Research paper : Spinning process using robot technology (H. Arai)−159−Synthesiology - English edition Vol.5 No.3 (2012) 2 Composition of chapter 5Question (Yasuo Hasegawa)Chapter 5 is the specific description of the action principles explained in chapter 3. Please create subchapters and titles for the three principles: bricolage, three actuals, and the sales mentality. I think it will help the reader’s understanding if you insert a diagram for bricolage in R&D.Answer (Hirohiko Arai)I set the titles for the subchapters of chapter 5 as follows: 5.1 Synthesis by bricolage – bottom-up integration of elemental technologies; 5.2 Accumulation of spinning know-how by trial runs – desire to approach the actual site, the actual thing, and the actual situation; and 5.3 Fusion of the sales and research activities. I also made clear where in the activities of chapter 5 the action principles explained in chapter 3 are reflected. I also added the figure showing the “hierarchical structure of elemental technologies” to explain the synthesis by bricolage.3 Achievement level and breakthrough of the developed technologyQuestion (Norio Matsuki, AIST Shikoku)In the outline of the developed technology in chapter 1, please self-evaluate the level of achievement. For example, please discuss the developed technology compared to the metal spinning by conventional skilled workers with respect to the precision, work speed, and limitations. Also, please describe any breakthroughs possible only by the technology developed.Answer (Hirohiko Arai)In chapter 1, I added the description, “These enable the forming of noncircular shapes that cannot be made by a conventional spinning machine for circular products nor by manual metal spinning by a skilled worker,” and showed that this developed technology has advantage compared to the conventional spinning technology. For the noncircular formation that can be considered the greatest breakthrough of this developed technology, there is no direct comparison in the field of metal spinning. Therefore, as a comparison to pressing, I added the expression, “Currently, the processing time necessary per product is several tens of seconds to several minutes, and it is not so suitable for mass production.”4 Flow of R&D that generated the breakthroughQuestion (Norio Matsuki)It will become easier to understand if you contrast chapters 3 with 5 from the viewpoint of what kind of research style and action principle led to the breakthrough and characteristics of the technology. Similarly, in chapter 4, I think that it would be better to emphasize the viewpoint of how the newly achieved technology emerged.Answer (Hirohiko Arai)The activities of chapters 3 and 5 place more weight on the efforts of molding the breakthroughs into realistic solutions that can be actually used, rather than the activities to obtain the breakthroughs mentioned in chapter 1. To clarify where in the activities of chapter 5 the action principles explained in chapter 3 are reflected, I modified the titles of the subchapters of chapter 5.In chapter 4, I primarily wanted to express the point: “Looking back at the progress of research, it can be seen that there was no consistent scenario and the research goal changed greatly due to external and coincidental factors.” I intentionally selected the description that reflected the reality of the chaotic research progress where several factors flow in multiple streams, various events occur randomly, and flexible responses are taken for each event. I think the factor that allowed new accomplishment of technology was “that we were able to find a niche that was overlooked among the specialties,” and I emphasized the descriptions of this point.

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