TPT September 2013

Technology News

Aluminium round and PFC tubing

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BWE Conform lines in production for PFC and round aluminium tubes

conductor (SAC for cables), copper bus bar, trolley wire and other shaped conductors, AS wire, OPGW, CATV, round refrigeration tube and multi- channel PFC tubes in different alloys. A new Conform S315i model has been specifically designed to extrude either a round or multi-channel PFC tube from the same aluminium rod (9.5mm, 12mm or 15mm diameter). One customer purchased a total of ten lines from BWE specifically for this application. With simple tool changes, the same machine is capable of extruding solid aluminium or copper conductors, making it very flexible. BWE has production experience of a wide range of PFC sizes (10 to 105mm), hole shapes (round, square, triangular, with internal fins), and alloys (1000 series, 3000 series and special alloys). With the introduction of the company’s Induction Heated Tooling System, production efficiency has improved. A reduced pre-heat time and a constant high temperature are possible, which in turn reduce the risk of thermal damage to the delicate and complex mandrel during start-up.

PARALLEL flow condenser (PFC), multi port extrusion (MPE), micro-channel and multi-void are all names given to a type of aluminium tube in great demand. These flat aluminium tubes are generally used in the automotive industry for the production of heat exchangers, condensers, evaporators, radiators, oil coolers, heater cores and CO 2 applications. The tubes offer high corrosive resistance, good heat conductivityandhighpressure resistance, and are cost effective if extruded from a standard aluminium rod. The tubes are extruded in various different sizes and alloys in accordance with standard specifications and regulations. The automotive industry is continuously seeking and developing more efficient parts to achieve a lighter vehicle and lower CO 2 emissions. Aluminium round and PFC tubing are playing a large part in achieving these goals. BWE Ltd is a British engineering company specialising in continuous extrusion machines (Conform™ and Conklad™) and cold pressure welders for many different applications. Conform and Conklad are established continuous extrusion technologies in the non-ferrous, cable and tube industries. Typical applications include copper and aluminium rectangular wire (magnet wire for transformers), solid aluminium

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Weld-Tech ApS Email: weld-tech@weld-tech.com Tel: +45 46194647 www.weld-tech.com

BWE Ltd – UK Fax: +44 1233 630670 Email: mail@bwe.co.uk Website: www.bwe.co.uk

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S eptember 2013