The result is a motor that delivers a step resolution of 1 Nanometre in the linear format and 25 Nanorads in the rotary format. LEGS-R series motorPiezo LEGS ® is available in different constructions so that a linear or rotary movement can be achieved.Īs the motor relies on friction and the legs remain in contact with the interface at all times high torques can be achieved without the need for a supplementary gearhead and as a consequence no unwanted backlash is introduced into the system. By electrically pairing the legs and observing the transition and sequence of movement, two legs remain constantly in contact with the secondary interface resulting in propulsion of this part. The construction consists of four legs with each leg being able to elongate and bend when electrically activated. It’s about the size of an ant but nearly 1000 times stronger. Piezo LEGS ® is in essence a walking machine constructed in one solid piece. The astonishing power and precision of the small Piezo motors offers unique advantages when compared to traditional DC motors of the same size. Using Piezo motors negates the need for many supplementary components simplifying your design and extending lifetime. Piezo technology is simple and reliable, using very few parts and only elementary motion. The Swedish company PiezoMotor are the leading force behind many ground-breaking micro motor technologies including the Piezo LEGS ®.
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