Dimensional checks with LASER sensors

hot_steel_measurements_dimensions_high_temperature

I laser triangulation sensors they are an effective and precise tool for measuring and evaluating high temperature metal products, such as billets and blooms.

These sensors use a laser beam that is focused on the surface of the product to measure its dimensions. These include width, thickness, straightness and length. The laser beam reflects off the product surface and is transmitted back to the sensor, enabling it to give an accurate measurement reading.

This dimensional inspection method is used extensively in steel rolling mills, where extremely high temperatures can present a challenge to more conventional measurement methods.

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Dimensional controls of metallic materials at high temperatures

Dimensional control of high temperature metal parts in the steel and metallurgical industry is essential to ensure the manufacture of quality products.

For this purpose, specialized tools such as i laser triangulation sensors, laser distance meters and other instruments based on optical measuring principle.

I laser triangulation sensors provide accurate measurements by measuring the distance between two points with an infrared or visible light source.

These devices are able to detect even very small irregularities in the shape or size of a piece. Laser distance meters are fast, accurate tools used to measure distances between two points on the surface of a workpiece. They use laser beams to accurately measure distances without any human intervention.

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SB-1000 series LASER micrometers for non-contact diameter and width measurement

Laser micrometers for diameter and width measurement on the production line. The measurement of diameter and width with laser micrometers allows the control of the dimensions of continuous products directly on the production line, without contact and in maximum safety for the operator.

laser micrometer for diameter and ovality measurement on wires, pipes, cables, bars and rods
  • LASER micrometers for diameter measurement and ovalization on cylindrical parts directly in production line or in the metrological laboratory.

  • Measurements of wires, pipes, cables, bars, plugs, extruded and drawn parts.

  • Comparison with tolerance thresholds and alarms for reporting a non-compliant product.

  • Possibility of transmitting the data to an external PLC or to a data acquisition system or to a management system.

  • Applications on drawing, profiling, extrusion, grinding, automatic assembly lines.

SB-1000 series LASER micrometers

laser micrometer for width and edge position measurements of belts and carpets

A wide range of application modes to make high-precision measurements with ease.

The SB-1000 Series consists of a range of high precision intelligent sensors, which guarantee high performance at low cost and are equipped with the most advanced functions for operation on the production line.

The technology and functions developed for high precision measuring instruments ensure high levels of accuracy.

The solid construction of the SB-1000 series devices makes it possible to use them even in harsh environments. Easy to use, they allow you to perform fast and stable measurements.

The newly developed optical system enables high levels of stability and measurement accuracy to be achieved.

Multiple wavelength LASER micrometers

laser micrometer for edge and position measurement on belts and carpets

In traditional lasers, the transmission beam produces a pattern a
accumulation points. This is an interference problem specific to the laser, caused by the fact that it has only one wavelength. Thanks to the use of a multi-wavelength laser, the RDSB series sensor does not exhibit this unwanted behavior. Since the shadow projections that form on the CCD are sharper, the sensor maintains a high level of stability, even with hard-to-detect targets such as transparent objects.

The parallel processing processor DSP, built into the receiver, allows the sensor to process data at high speeds, thus reducing noise and measurement error levels to a minimum.

Typical applications

  • Edge control and position detection in tape, sheet or panel production lines
  • External diameter measurement of wires, pipes, cables, rods, plugs
  • Method of measuring internal diameter or gap in rings or gaskets
  • Distance measurement between the end of the measurement range and the edge of a target in automatic assembly lines
  • Measurement of width or position in extrusions or irregular profiles.
  • Pin height measurement or correct insertion of components in mounting seats.

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Products for this application

Measurement of the thickness and width of metal strips in the production line

Measurement of the thickness and width of strips directly on the production line.

Measure of thickness and width to verify the correct execution of the workings or as preparation for welding and assembly operations.

Comparison with the tolerances in the specifications for real-time determination of tolerance or non-compliance holes.

Applications on pickling, cutting, shearing and profiling lines.

The use of LASER light technologies, magnetic and optical technologies allow to obtain high levels
accuracy and speed without direct contact of the measuring instrument with the material. Possibility of measurement
on systems with high sliding speeds or in areas not accessible to operators.

Independent measurement modules available for system integrators and OEMs. Measurement visualization on local or remote display, transmission
remote data on serial line or Ethernet, generation of out-of-tolerance alarms. Possibility
interfacing with management systems. Special models with high light of
passage of sheet metal for systems where the movement is very large

Copyright by RODER SRL - All rights reserved - Application note AN0002