Micro Linear Actuators with Built-in Controllers and Motor Encoders - X-NA-E

Zaber's X-NA-E Series of devices are computer-controlled, motorized linear actuators with high thrust and speed capabilities in a compact size.

The built-in motor encoder allows closed-loop operation and slip/stall recovery features. An optional indexed knob provides convenient manual control for versatile operation even without a computer. At only 20 mm high, these miniature actuators are excellent for applications where a small profile is required.

Features include:
• 25 and 50 mm travel
• Up to 30 mm/s speed; up to 25 N thrust
• Designed to replace standard micrometer heads on manual translation stages
• Hardened ball-tip (removable so that you can use the built-in threaded tip or a flat tip)

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The ST Robotics Workspace Sentry robot and area safety system are based on a small module that sends an infrared beam across the workspace. If the user puts his hand (or any other object) in the workspace, the robot stops using programmable emergency deceleration. Each module has three beams at different angles and the distance a beam reaches is adjustable. Two or more modules can be daisy chained to watch a wider area. "A robot that is tuned to stop on impact may not be safe. Robots where the trip torque can be set at low thresholds are too slow for any practical industrial application. The best system is where the work area has proximity detectors so the robot stops before impact and that is the approach ST Robotics has taken," states President and CEO of ST Robotics David Sands.