To pursue all of these objectives, Matsunaga is completing its transition to 3D CAD design using Inventor. Other opportunities include moving patients in and out of MRI scanning rooms, which do not allow magnetic materials. Inquiries from other airlines have steadily increased, especially as the 2020 Summer Olympic Games in Tokyo approach. Matsunaga plans to promote the Morph wheelchairs at airports nationwide. It also won the 2018 German Design Award in the Excellent Product Design category. The all-resin design attracted a great deal of attention in Japan, winning the Good Design Gold Award in 2016, as well as an initial order of 64 chairs from the original airline partner. The completed Morph design was announced in the spring of 2016, after three years of development. “The technology and know-how of wheelchair manufacturing that we have accumulated over many years has greatly blossomed with 3D CAD design in Inventor,” Sobajima says. In addition, the company’s experience developing the MP Custom wheelchair made it easier to meet the requirements of the Morph wheelchair. With its template-driven design, the MP Custom offers an unprecedented range of sizes and a choice of 44 colours. If we enter the dimensions from the customer, we can finish up the completed 3D model in five minutes.” “We built a 3D model that makes it easy to design the templates, and we made it in about three months in collaboration with Otsuka Shokai Co. “The design template itself determines the specifications,” Sobajima says. To shorten delivery time, Sobajima and his team created a design template with 3D CAD data from Inventor. The only issue with the MP Custom was that it took a week for an expert designer to redraw the design for every new order. Its stylish design and lightweight body make the chair very popular, and it won the Good Design Award in 2015. “It is measured for an individual user and built accordingly.” The MP Custom also eliminated the adjustment mechanism used in conventional wheelchairs to achieve significant weight savings.
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“One interesting characteristic of the MP series is its custom one-piece construction,” says Masayuki Hirose, Matsunaga development division, who oversaw the MP project.
A sports-type wheelchair designed for active users who enjoy sports, the MP Custom incorporated 3D assets from Inventor in a design template. One of these new products was a custom-made wheelchair called the Max Performance (MP) Custom, which influenced the design of the Morph. “We reviewed drawings one by one and rebuilt our design assets, which made it easier to develop new products,” Sobajima says. The company created a new data-management system using Autodesk Vault collaboration software, establishing standard rules for file management, approvals, and version tracking.
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The inability to update all files simultaneously with minor specification changes was inconvenient. Many similar drawings were stored in each folder, and it took a lot of time and effort to locate specific files. In the past, Matsunaga managed 3D data created in Inventor using a conventional folder structure. “We did a great deal of preparation for the transition, and now we are seeing great results,” says Hirokazu Sobajima, Matsunaga engineering division and development department, who led the company’s move to 3D CAD. Using nonmetallic materials to manufacture the body of the wheelchair was the obvious solution, but one that posed a variety of additional challenges.īefore Matsunaga could take on the challenge of developing an all-resin wheelchair, however, it had to begin its transition to 3D design. “The airline wanted to ensure smooth traffic flow from check-in to inspection to boarding.”
“If there were a wheelchair that did not trigger the detector, the problem would be solved,” Hibino says. This was not only inconvenient for them but it also caused long lines that affected all travellers.
While everyone has to go through a security inspection, wheelchair users were forced to bear an additional burden-even if they followed the rules.
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“This project started when I was approached by an airline to discuss how to address this issue in a cost-effective way.” “The detector responds to the metal parts when the passenger passes through the inspection area in a wheelchair, which means the passenger has to undergo a pat-down search,” says Tomochi Hibino, director of development for Matsunaga. But it has never been able to solve the problem of how to get them through metal detectors quickly prior to boarding. Haneda Airport in Tokyo has offered wheelchairs to travellers for many years.
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