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Daihen Welding and Joining Collaborative Research Lab
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A collaborative research lab where a company and a university take on the development of welding and joining technologies.
AboutAbout the lab
Researching welding and joining technologies that transform manufacturing.
The Daihen Welding and Joining Collaborative Research Lab works on technology development to make welding and joining technologies more advanced and more efficient.
It was established in April 2019 within the Joining and Welding Research Institute of Osaka University.
The lab combines the welding and joining technologies and device development technologies of Daihen Corporation with the academic research of the Joining and Welding Research Institute and the education and research strengths of the Graduate School of Engineering's Division of Materials and Manufacturing Science.
Another stated goal is for students and young engineers to take an active part in projects and grow into engineers and researchers who can succeed worldwide.
Key terms
- Arc welding
- A welding method that melts and joins metal using the heat of an electrical discharge (arc) generated between an electrode and the metal.
- Welding metallurgy
- The field that studies how the heat of welding changes the internal structure and properties of metal, and how the joint is formed as a result.
- Dissimilar materials
- A combination of different types of materials, such as steel and aluminum.
ResearchResearch themes
The Daihen Welding and Joining Collaborative Research Lab aims to develop technologies for innovative improvements in the functionality and efficiency of welding and joining. The research themes listed include solid-state resistance spot joining, monitoring of welding processes using visualization technology, joining and separation of dissimilar materials, an ultra-durable torch for arc welding, and metal additive manufacturing based on arc welding.
*Illustrative imageUnderstanding Arc Phenomena and Joining Mechanisms
The lab works to understand the physics of the arc at a fundamental level and to clarify joining mechanisms from the viewpoint of welding metallurgy. By predicting and evaluating the reliability of joints, it aims to improve the performance of high-quality, high-efficiency welding processes and expand their range of application.
*Illustrative imageNew Joining Technologies and Visualization of Welding
The lab combines the academic knowledge of Osaka University with Daihen's welding equipment control technology and welding process control technology to advance research and development of new joining technologies. It also applies visualization technology to make welding methods more advanced.
MembersFaculty
- ProfessorHidetoshi Fujii
- Project ProfessorSatoshi Asai
- Project Assistant ProfessorYuko Takei
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “FANUC 6-axis welding robots” Phasmatisnox / CC BY 3.0 (cropped)
- Understanding Arc Phenomena and Joining Mechanisms: “Shielded Metal Arc Welding” Weldscientist / CC BY-SA 4.0 (cropped)
- New Joining Technologies and Visualization of Welding: “Robotic Welding Cell” WireCrafters / CC BY-SA 4.0 (cropped)
- Related lab (Komatsu Mirai Construction Machinery Collaborative Research Lab (Field Robotics Division, Materials and Process Division)): “Schweres Geraet” Friedrich Haag / CC BY-SA 4.0 (cropped)
- Related lab (Joining Interface Mechanics Lab): “Friction Stir Weld” NASA / Public domain (cropped)
- Related lab (Laser Processing Lab): “Laser welding of the pipeline” Barbara Nasiłowska / CC BY 4.0 (cropped)
- Related lab (Joining Structure Analysis Lab): “Tandem welding torch 002” Pipimaru / CC BY-SA 3.0 (cropped)
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