25 Jul '16, 11am

Zizzy The Personal Robot Uses 3D Printed Artificial Muscles Instead of Hobby Servos

Zizzy The Personal Robot Uses 3D Printed Artificial Muscles Instead of Hobby Servos

Zizzy is a personal robot designed to help those with limited mobility. Rather than being assisted by a nightmare creature, Zizzy would offer a more appealing and friendly option. The coolest part about Zizzy is the 3D printable pneumatic artificial muscles . Project creator, [Michael Roybal] said it took over a year of development to arrive at the design. The muscles are hollow bellows printed out of Ninjaflex with carefully calibrated settings. A lot of work must have gone into the design to make sure that they were printable. After printing the muscles are painted with a mixture of fabric glue and MEK solvent. If all is done correctly the bellows should be able to hold 20 PSI without any problem. This results in a robot with very smooth and precise movement. It has none of the gear noise and can also give when it collides with a user, a feature typically found only in v...

Full article: http://hackaday.com/2016/07/25/zizzy-the-personal-robot-u...

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