Industrial metal 3D printing
Monozukuri (Saitama University Research Seed Collection 2025-27 p.54)
Keywords: Additive manufacturing, metal materials, dissimilar metals, welding, machining
We are developing technology that enables the shaping of metals using a device known as a 3D printer. This technology allows for the direct creation of target shapes from three-dimensional design data by locally melting and solidifying metal, and it is referred to as Additive Manufacturing (AM). There are several methods within AM technology, but among them, the method that applies welding technology enables low-cost and high-efficiency production suitable for manufacturing large products such as aircraft components and molds. Specifically, it allows for the creation of lightweight and high-strength structures that are difficult to achieve with other processing methods, as well as the manufacturing of products with unprecedented material properties through integrated shaping using multiple types of metal materials. We are engaged in elucidating the shaping principles of AM technology, evaluating shaped objects, developing processing technologies to create products with high added value that are impossible to achieve with existing processing methods, and proposing process design methods that include finishing processes.
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basic information
Takeyuki Abe, Associate Professor Graduate School of Science and Technology, Department of Mechanical Science, Production Science Area 【Recent Research Themes】 ● Property control of shaped products using dissimilar metals ● Development of CAM systems for complex shape modeling ● Development of new AM technologies ● Development of AM + cutting hybrid processing technologies
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【Appeal Points to the Industry】 ● High-efficiency shaping of large metal products ● High functionality through the combination of multiple types of metals ● Processing support software such as CAM systems (Patent No. 6265376, Patent No. 6754118) ● Hybrid processing of AM + cutting 【Examples of Practical Application, Use Cases, and Utilization】 ● High-performance material parts such as aircraft components ● Large parts such as shipbuilding and construction materials ● Repair of molds and similar items
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Complex shape molding sample
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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.