Rethink Robotics (Boston, MA) introduced Sawyer, a smart collaborative robot designed to execute machine tending, circuit board testing, and other precise tasks. The robot modifies its behavior to respond to changing and unexpected conditions on the plant floor. The robot weighs 19 kg (42 lbs.), and features 7 degrees of freedom with a 1260-mm reach that can maneuver into the tight spaces and varied alignments of work cells designed for humans. Its compliant motion control allows it to “feel” its way into fixtures or machines, even when the position varies slightly. The robot’s precision is ±.1 mm in semi-structured environments. An embedded vision system uses a head camera for wide-view applications and a Cognex camera in its wrist. The robot features a face screen to help it communicate with co-workers, and a train-by-demonstration user interface.

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