Hanover Fair 2019New bionics projects from Festo

With its combination of strength, dexterity and fine motor skills, the human hand is one of nature's miracle tools. Festo has recreated this with its 'BionicSoft-Hand' robotic hand. Festo will be showcasing this and other bionics projects at the Hannover Messe 2019.

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Underwater robot BionicFinWave from Festo swims through a tube system made of acrylic glass
© Festo

... forwards or backwards through a tubular system made of acrylic glass. Its two side fins are cast entirely from silicone and do not require any struts or other support elements. The two fins are each attached to nine small lever arms, which in turn are driven by two servomotors. Two adjacent crankshafts transmit the power to the levers so that the two fins can be moved individually and generate different wave patterns. They are particularly suitable for slow and precise movement and stir up less water than a propeller drive, for example. To ensure that the crankshafts are flexible and pliable, there is a universal joint between each lever segment. The crankshafts, including the joints and the connecting rod, were manufactured from plastic in one piece using a 3D printing process. The remaining body elements of the robot are also 3D printed. With their cavities, they act as buoyancy bodies. At the same time, the entire control and regulation technology is installed and coordinated in a watertight and safe manner in a very small space.

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