TPT May 2009

I nspection, M easuring, T esting & M arking

Robotized laser measurement system compliant with API

In addition, there is no handling of radioactive material. Due to its novel design, Calix requires no calibration onsite, either when it is first installed or during operation. Even optically challenging surfaces like black varnished, glossy sheet can be measured by Calix with accuracies better than ±5µm under production conditions. The system is highly compact: it is no longer necessary to design complex measuring bridges. All it needs is the single compact, easy to install C-frame, which can simply be traversed across the width of the material. The new RDMS-40 profile measuring system for inline profile measurements has been specially developed for wire rod mills operating at speeds of up to 150m/s. It rounds off LAP’s range of measurement systems for long products. Using the novel series of Metis laser micrometers designed by LAP, the company now offers measurement solutions for all diameters between a few millimetres and more than one metre.

LAP GmbH, Germany, has introduced a new, robotized laser measurement system that provides 100 per cent quality control of tube end dimensions compliant with API requirements. This system enables precise measured data for each individual tube in the finishing shop and during tube inspection.

Tube end rectangularity and welding bevel measurements can be included as optional features. Inline measurement by laser triangulation sensors dispenses with the manual offline random checks, which were common in the past. The measurement

 With the new RDMS-40, LAP has completed the range of measurement systems for the dimensional measurement of wire rod, tube and bar

system is designed for tube diameters from 168mm to 1,500mm. The accuracy of the diameter measure- ment is between 0.1mm and 0.3mm depending on the measurement range. The company has also developed Calix, a new laser-based thickness sensor that measures strip thickness inline. The Calix system carries out measurements independently of the material properties.

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For the user this often means that it is unnecessary to input material parameters and maintain the material data in a database, as required by radiometric gauge measurements.

LAP GmbH – Germany Fax : +49 4131 951196 Email : info@lap-laser.com Website : www.lap-laser.com

 With the new laser based system it is possible for the first time to have precise measured data at hand for each individual tube in the finishing shop and during tube inspection

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