Laser sensors for high precision distance measurements on metals and rough surfaces
The new optoNCDT
1750LL laser sensor is used in high precision distance measurements of metallic
and structured surfaces. Their oval-shaped light spot makes it possible to
compensate for physical interferences and to output stable measurement values.
Therefore, the optoNCDT 1750LL can be used where conventional laser point
sensors are operating at their limits.
The new optoNCDT 1750LL laser triangulation sensors enable high precision measurements on structured surfaces such as sandpaper, grinding wheels, rubber and shiny metals. Here, conventional laser point sensors are operating at their limits due to their small light spot size, since the surface structure does not allow for a homogeneous reflection of the laser light. This induces unstable, noisy measurement signals. With a special, cylindrical lens, the laser point is enlarged to a laser line. The human eye perceives the short laser line of the optoNCDT 1750LL as an oval light spot. Combined with special evaluation algorithms, the laser sensor compensates for interferences caused by structures, depressions and other surface defects. This enables precise distance measurements on these surfaces. The extremely compact design of the sensors enables their integration into small installation spaces too.
The combination of
unique performance, highest precision and dynamics together with a wide range
of features makes the optoNCDT 1750 sensors leaders in their class.
Published by Micro-Epsilon USA on Jul 25, 2018
Perfect optical inline 3D measurements
High-quality finished surfaces and geometries in part manufacturing, assembly and product finish are a challenge for many industries. The surfaceCONTROL 3D snapshot sensor is used for inline inspection of geometry, shape and surface on diffuse reflecting surfaces such as metals, plastics and ceramics. With a z-axis repeatability of up to 0.4 µm, the sensor reaches a new level of precision and detects the smallest deviations in flatness and height.
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For fast measurements of displacement, distance and position with high accuracy and resolution, the use of laser triangulation sensors is ideal for a wide range of applications. Read this paper to learn more about:• How distance measurements are performed on changing surfaces• Which applications laser sensors are suitable for• How sensors are used in confined spaces, e.g. in robots• How to detect and eliminate error influences
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Easy and profitable measurement solutions using smart laser triangulation sensors
Easy and profitable measurement solutions using smart laser sensors For fast measurements of displacement, distance and position with high accuracy and resolution, laser triangulation sensors can be used in a variety of applications. Reasons for this are non-contact and wear-free measurement, a large measuring range, high precision and easy installation. They offer a perfect combination of high speed, small size, high accuracy and great versatility. Learn where the use of laser triangulation sensors is particularly worthwhile and download our free White Paper. In addition, you will find specific tips on what to look out for when using laser sensors. Benefit from the advantages laser sensors offer: Ideal for automation, production monitoring and test benchMeasurement of displacement, distance and thickness on various surfacesSuitable for use with robots due to shock and vibration resistanceCompact design with integrated controller
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