EoW May 2011

technology news

“ ACID-FREE PROCESS FOR STEEL ROD CLEANING & SURFACE PREPARATION” “New Way to Draw Steel Wire in the 21 st Century”

DCCD process features: • Eliminates acid, borax and precoatings • Zero energy consumption • Direct drawing from bare rod with no speed limitation, for H/C and L/C • New Lubricant Viscosity Control provides exceptionally adherent coating • Adjustable lubricant residual • Zero lubricant waste • Recommended for severe drawing applications (spring, rope, bead, CO 2 welding, PC strand, plating quality) • H/C wire drawn at 18 m/s (3600 ft/min) • Up to 8 times longer die life • Exiting wire temp. 45°C (113°F) • Greatly improved wire ductility

Cables without data loss ▲ ▲ Centerview 8000 installed in-line

distribution of the single values shows its range of variation. The display helps to optimise the extrusion process with regard to a minimum standard deviation. gauges, Capacitance 2000, a short and a long measuring electrode are integrated in one tube. The short sensing electrode of 10mm length allows for a reliable measurement of fast periodic capacitance fluctuations for the FFT-analysis and prediction of the structural return loss (SRL). The long electrode allows for a precise measurement of the mean value of the capacitance. Thus, the defined impedance of the cable can reproduced exactly. SRL predictions up to 3GHz are feasible at line speeds up to 2,400m/min respectively 8GHz up to 1,300m/min. Powerful digital signal processors are included in all Sikora measuring heads. Because of this computational power, a complete SRL prediction is realised just inside the gauge heads. Ten years ago, Sikora integrated this technology in the measuring devices of the Inline 2000 Series. This means that the online prediction of the SRL performance is entirely executed where the input data (ie diameter, eccentricity, or capacitance readings) is available in high resolution and high precision. Due to the all-digital signal processing inside the Sikora gauges noise is kept at a minimum allowing the detection of even minor periodic cable parameter fluctuations. In Sikora’s capacitance

The manufacture of data cables demands a consistent control of the cable diameter, eccentricity and capacitance regarding periodic variations. Sikora offers innovative, user-friendly measuring systems, which are specifically developed for quality control of data cables during the production process. The diameter gauge heads of the Laser Series 2000 and 6000 operate with the patented Laser Shadow projection principle. By evaluating diffraction information for the diameter determination, a single reading precision as high as 0.2μm besides a measuring rate of 2,500 measurements per second is achieved. This precision is maintained because no moving parts are included in the gauges. By means of the integrated measuring value display in the gauge head the operator gets the accurate diameter value at a glance. The Centerview 8000 combines diameter and eccentricity measurement. Using optical and inductive measuring technologies, high-precision single eccentricity readings with a high measuring rate at the same time are also supplied by these gauges. The cloud diagram is an innovative display format of the ongoing measurement at the processor system Ecocontrol. It provides information on distribution of short term variation of eccentricity in graphical form. Each dot corresponds to one single measuring value of the eccentricity in relation to the amount and direction. The extension of the cloud diagram is the indicator for the standard deviation of the eccentricity. For example, a circular

DECALUB 31, avenue de Condé 77500 CHELLES, FRANCE Fax: +33 1 60 20 20 21 E-mail: info@decalub.com Website: www.decalub.com

Sikora AG – Germany Fax : +49 421 48900 90 Email : sales@sikora.net Website : www.sikora.net

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EuroWire – May 2011