Achieving submicron order displacement measurement even in environments where water and oil are splashed.
UEC-1 is a non-contact displacement sensor using an eddy current method, optimized for high-speed measurement of small displacements unaffected by water or oil in the measurement gap. It achieves a response speed of 100 kHz and a resolution in the sub-micron range. High-frequency current flows through a coil inside the sensor, generating a high-frequency magnetic field. Eddy currents are induced around the magnetic field lines on the surface of the measurement target due to electromagnetic induction. The magnitude of the eddy currents changes with the distance between the sensor and the measurement target, and the output corresponding to the distance is obtained from the impedance change of the sensor probe. Application examples: - As a displacement sensor for high-speed positioning feedback in micro-motion stages - For high-speed displacement measurement - For measuring the rotational speed of gears (e.g., using a 90-tooth gear can measure up to 50,000 rpm) - Using two sensors to measure the rotational angle corresponding to the forward and reverse rotation of gears - Analyzing the behavior of pistons, valves, and crankshafts - Measuring and monitoring the rotational behavior and characteristics of turbine rotors - Measuring the vibration of workpieces during machining - Endpoint detection for lapping machines
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basic information
【Features】 ■ Ideal for high-speed measurement of small displacements, unaffected by water or oil in the measurement gap ■ Achieves a response speed of 100kHz and sub-micron order resolution ■ Ultra-compact body that can be installed in various locations ■ Waterproof cover available (optional) ■ Sensor shapes: φ8 cylindrical type UEC-1-C08-F, M8 screw type UEC-1-M08-F, M10 screw type UEC-1-M10-F
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Applications/Examples of results
- As a displacement sensor for high-speed positioning feedback of micro-motion stages - For high-speed displacement measurement - For measuring the rotational speed of gears (e.g., using a 90-tooth gear, measurements of up to 50,000 rpm are possible) - Using two units for measuring the rotational angle corresponding to the forward and reverse rotation of gears - Analysis of the behavior of pistons, valves, and crankshafts - Measurement and monitoring of the rotational behavior and characteristics of turbine rotors - Vibration measurement of workpieces during machining - Endpoint detection of lapping machines
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Company information
Unipulse Corporation is a sensor manufacturer. We develop a wide range of products using various technologies, including digital indicators for optimal load application in press-fitting and crimping, capacitive non-contact displacement meters, spindle clamping force measuring devices, small-diameter tool gripping force gauges, and rotating torque meters. In particular, the UTM series of rotating torque meters has become the standard for shaft-type torque measurement and is used in many development and manufacturing sites. In recent years, we have internalized the production of strain gauges and are manufacturing load cells and multi-force gauges in-house. Our subsidiary, Robotech, develops and sells products such as Uniservo (electric torque actuators) and Moonlifter (electric balancers). Notably, the electric balancer, which constantly detects force and position using load sensors and servo motors, allows for the movement of heavy objects with the sensitivity of human hands. We have received much positive feedback due to its unprecedented ease of use. Moving forward, the Unipulse Group will continue to prioritize research and development, delivering products that are first in Japan and the world.
