Adidas running shoes with 3D printed midsoles push your feet forward
A new Adidas running shoe called 4DFWD has a tech twist – the shoe lets you step forward a bit each time your foot hits the ground.
It is because the shoe is, is an airy trellis pierced with holes in the shape of a bow tie. When compressed, its crushing motion moves your foot forward relative to the sole position on the ground. Conventional midsoles, in comparison, simply compress downward so that your foot crushes harder against the front of the shoe.
Adidas and Carbon say the redesigned midsole – the part of the shoe that sits just above the rubber tread – reduces the braking force pushing against the front of your foot by 15% compared to a ordinary shoe. The companies unveiled the 4DFWD on Wednesday.
“We have identified a perfect trellis midsole that is designed to compress forward under load and counter mechanical forces while providing a unique gliding feel to our runners,” said Sam Handy, vice president of design. Adidas for running shoes, in a statement.
The new design of the show illustrates the radical manufacturing changes made possible by 3D printing. By building products layer by layer, it is possible to build designs that would be impossible with conventional casting, molding, extrusion or machining. Although 3D printing made its commercial debut by creating prototypes, the technique is increasingly used for production.
A recent survey of 1,900 3D companies found that 52% use 3D printing to make products, not just prototypes, according to Sculpteo, a 3D printing subsidiary of German chemicals giant BASF. The main uses of 3D printing are the creation of complex shapes and “mass customization,” the ability to make products that are digitally refined for individuals.
Carbon 3D prints stuff that is spongy, elastic, and comes in unusual shapes
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The biggest challenges in 3D printing, also known as additive manufacturing, are consistency across manufacturing cycles, the amount of post-processing needed before the printed items can be used, and the cost of raw materials. used by printers, according to the survey.
Carbon’s manufacturing process, called Digital Light Synthesis, is different from most 3D prints. It projects a carefully directed ultraviolet light upward into a thin pool of liquid resin that solidifies in the light. As the product takes shape, it is gradually lifted up and the new resin continuously solidifies underneath. The result is a more cohesive material that is equally strong in all directions, Carbon says.
3D printers gained new attention during the coronavirus pandemic, when businesses and households found them useful for producing personal protective equipment such as face shields.
Adidas and Carbon evaluated 5 million possible truss structures before attaching to the bowtie pattern for the 4WFWD. They tested the design with real runners and at the University of Calgary and the University of Arizona.
The shoes are expected to go on sale July 1 for around $ 240.
The information in this article is for educational and informational purposes only and is not intended for health or medical advice. Always consult a physician or other qualified health care provider with any questions you may have about a medical condition or health goals.