Realization of advanced and information-based precision machinery parts processing.
Manufacturing (Saitama University Research Seed Collection 2025-27 p.53)
Keywords: Cutting processing, numerical control processing, machining center, robot machining, multi-axis control cutting, simulation.
In the manufacturing of high value-added products such as molds, aircraft parts, and medical devices, cutting processes using numerically controlled machine tools are primarily employed. In recent years, there has been a demand to further enhance the intelligence of computer-equipped numerically controlled machining tools to create shapes that include complex structures and freeform surfaces defined by CAD software, as well as to develop functions that allow for processing in response to variations in various phenomena. In our laboratory, we are conducting research in collaboration with various companies on computer-aided techniques for cutting processes that manufacture high value-added metal parts with high shape accuracy by partially removing material. This involves predicting in advance the tool movement paths, tool postures, and the state of material removal by the cutting edge of the tool through simulation, in order to optimize the operation of numerically controlled machine tools such as machining centers and multi-tasking machines. We are also working on the development of new technologies such as skyving, a next-generation gear cutting technique, and cutting using vertical articulated robots.
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Junichi Kaneko, Professor Graduate School of Science and Engineering, Department of Mechanical Science, Production Science Area 【Recent Research Themes】 ● Clarification of the influence of the crystal structure characteristics of metal additive manufacturing materials on cutting properties ● Investigation of the cutting properties of medical materials (polyethersulfone, platinum-iridium alloy) ● Development of an automatic planning method for avoiding interference in the transportation routes of large repair components during plant maintenance
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【Appeal Points to the Industry】 ● Computer-aided technology to fully realize the performance inherent in machine tools ● Solutions to technical issues arising during the processing of large and complex shapes (automotive press molds, aircraft parts manufacturing through multi-axis controlled cutting, high-efficiency gear cutting) ● Examination and development of systems/algorithms addressing challenges specific to each processing method 【Examples of Practical Application, Use Cases, and Utilization】 ● High-speed cutting resistance prediction algorithm in processing simulation systems ● Process planning method for skiving of internal gears for EVs with different pressure angles on the left and right cutting edges ● Process planning method for post-processing of layered molded products using removal processing by vertical multi-joint robots ● Chip disposal technology for high ductility steel materials used in cold forging
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Simulation of the machining phenomenon of internal gears using skydiving processing and derivation of machining conditions.
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The Saitama University Open Innovation Center is a center that functions as a liaison office for industry-academia-government collaboration. It consists of three departments: the Industry-Academia-Government Collaboration Department, the Intellectual Property Department, and the Startup Support Department, each staffed with coordinators well-versed in various fields. The center's activities include solving technical challenges in companies, supporting the implementation of joint research, and conducting technology transfer aimed at introducing and utilizing Saitama University's intellectual property.