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Kinitics Bundled Wire technology incorporates several SMA wires connected to a piston inside the actuator; as the wires shorten when electricity (and heat) is applied, the actuator rod moves.
The Kinitics Bundled Wire is a proprietary technology of assembling and connecting Shape Memory Alloy (SMA) wires into a dense array. Kinitics Bundled Wire technology not only gives the Kinitics actuators a high strength-to-size ratio but also retains a high wire surface area. This allows for forward stroke times below 200ms and sub-five second cycle times.
A simple power cycle consists of three phases:
Through the addition of feedback sensors and a controller a Kinitics actuator can produce complex force-displacement behaviour. Kinitics Linear Actuators are capable of fine position and force control while Kinitics Piston Pumps are capable of fine pressure, volumetric displacement, and discharge temperature control.