EoW January 2009

english technology news

SAS introduces the hydraulic flying shear

SAS Engineering & Planning’s combined drawing machine (CDM) has been designed to provide technological value, reliability and ease of use. The combined drawing lines are equipped with twin cams, hydraulic carriages and hydraulic flying shear and are said to work at very high speed with maximum accuracy. CDM can be supplied complete with the most advanced accessories to provide a totally automated line including pay-off group, pre-straightening device, draw bench, chamfering machine, bundle strapping, weighing and handling, all managed automatically. SAS now presents the CA model of hydraulic flying shears. With the demand for faster drawing lines, without compromising cutting quality and accuracy, hydraulic flying shears are designed for cutting ‘ bushing-to-bushing. ’ This type of cut decreases the pressure on the material generated by cutting stress.

The shearing tool is assembled on a sliding carriage mounted on ball guides, and powered by a brushless electric motor. An electronic encoder, controlled by the central drive, powers the motor until the carriage reaches the same speed as the bar; the bar is cut when the two speeds are identical, and therefore differences in length are dramatically reduced. The machine can reach a cutting force of up to 76,000 kg and a cylinder run up to 50mm.

Hydraulic shear from SAS ▲ ▲

Camera cables with BendBright-XS Draka Communications has announced that its patented BendBrightXS tech- nology is now an integral feature of its SMPTE 311M hybrid camera cables with integrated optical fibres. It is believed that this enhancement will make transmission cables for video signals considerably more robust and more appropriate for HDTV broadcasting environments. BendBright-XS is a technology for optimising optical fibres in which a special field-confining trench ensures that the optical beam remains in the centre of the cable even when the latter is subject to extreme stress – for instance by bending and pressure. As BendBright-XS effectively eliminates faults originating in fibre optic cables, loss of transmission during live broadcasts can be excluded. Draka SMPTE 311M cable uses both fibre optic technology (two optical fibres) and conventional elements. The addition of BendBright-XS means that the optical fibres are significantly better protected so the cable can be treated like a conventional cable. Draka Holding NV – The Netherlands Fax : +31 2056 89899 Email : info@draka.com Website : www.draka.com SAS Engineering & Planning Srl – Italy Fax : +39 031 657223 Email : info@sas.it Website : www.sas.it

A better quality of the point is obtained (nail effect) and the cut is perfectly orthogonal in respect to the bar axis.

Advertorial on behalf of Decalub Lubricant viscosity control revolutionises wire drawing

Decalub’s lubricant viscosity control system, in conjunction with the PDH ultra high-pressure lubrication system, allows mechanically descaled high-carbon rod, or low-carbon rod, to be drawn directly, without pre-coating chemicals, at the highest speeds. The LVC/PDH rod dry coating/ lubrication system benefits new

Wire rod lubrication by LVC / PDH system ▲ ▲

coating system include direct drawing from mechanically descaled H/C rod, without pre-coating chemicals, from 5.5mm down to 1.3mm at 18m/s, and to 5.5mm to 3.25mm at 8.3m/s, with die life enabling production of 200-220 tons/ die in the first draft. The finishing die produces 40 to 60 tons of wire, drawn without pre-coating chemicals but with wire properties such as ductility, and torsion test greatly improved. Decalub – France Fax : +33 1 6020 2021 Email : info@decalub.com Website : www.decalub.com

from fully controlled 3-way interaction between the pressure, temperature and lubricant viscosity, enabling an automatically controlled fusion of standard dry lubrication compounds, making them molten/liquefied with a viscosity suitable for the application. The system permits the ‘frictionless’ drawinginremainingintermediatedrafts with the full lubricant film at wire-die interface, with physical separation of metal-to-metal contact, in the most demanding multi-draft applications from rod to wire in a one-step operation. Typical applications of the LVC/PDH dry

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EuroWire – January 2009