Micro-Epsilon UK Ltd. - PRODUCT NEWS
Laser sensors measure profile depth of steel in pre-stressed concrete
A manufacturer of pre-stressed concrete is using laser displacement sensors from Micro-Epsilon to measure the minimum profile depth of pre-stressed steel, which is critical to the quality and resistance of pre-stressed concrete.
Designed for the displacement measurement of difficult profiles on difficult target surfaces, the optoNCDT series of laser sensors are part of an inspection system developed by systems integration specialist, InSystems Automation GmbH. The inspection system checks the profile depth of incoming batches and continuously records this information to a database. The profiling is rolled onto the pre-stressed steel using an imprint roller. This means that the profile depth must be inspected across the complete range of the imprint roller.
The measuring system consists of an optoNCDT 1700 laser displacement sensor, which is mounted to a linear axis and a driven roller prism for inputting the pre-stressed steel. By moving the sensor along the linear axis, measurements are recorded and combined with a two-dimensional profile over the complete length of the imprint roller. The software calculates the profile depth for each imprint. The system measures profile depth to a very tight tolerance of 0.03mm. Repeatability of the measurement system is +/- 0.005mm, although Micro-Epsilon's higher precision optoNCDT 2300 laser sensor can be used if higher repeatability is required. An extensive database provides full supplier and batch traceability of the pre-stressed steel used. Any errors due to rework or further processing are eliminated.
The optoNCDT 1700 laser displacement sensor is self-contained and has no external electronics. With no separate controller to mount, machine builders and system integrators can reduce the costs associated with wiring the sensors and free up space in their control cabinets. The optoNCDT 1700 sensor has an integral controller that automatically compensates in real time for difficult-to-measure surfaces such as shiny metal. This enables industrial automation and OEM production companies to more accurately measure and monitor a variety of object parameters, including thickness, roundness, position, deflection, tilt, displacement and vibration. The sensor can be used for inline and offline quality inspection tasks, dynamic part profiling and part recognition.
The optoNCDT 2300 is a high-end version of the sensor that offers extremely high measuring speeds of up to 50 kHz. The sensor is therefore ideal for high-speed dynamic applications such as vibration measurement or for measuring uneven, difficult surfaces including polished metals and transparent plastics.
Micro-Epsilon (www.micro-epsilon.co.uk) is a major global manufacturer of sensors, headquartered in Germany. The companys range of displacement sensors measure everything from to distance, position, vibration, dimensions and thickness, using both contact and non-contact measurement techniques. These techniques include 1D, 2D and even 3D laser-optical sensors and systems, eddy-current, capacitive, LVDT & inductive, potentiometric and draw-wire principles. Additionally Micro Epsilon has developed its own range of non-contact infrared temperature sensors that can measure virtually any target temperature from -40 to +3,300°C.
With more than 35 years experience in the industry, Micro-Epsilon isnt just a sensor manufacturer. The company is highly innovative and understands the importance of providing complete solutions and support services for its customers. The firm is renowned for its expertise in consulting, development and application of industrial sensors to complex, customer-specific solutions for measurement, inspection and automation. The focus is on selling technical advantage to its customers.
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