EuroWire July 2015

News Technology

Smooth surface and low friction

re-cutting for carbide and polycrystalline. Dies which are running one to three shifts need periodic cleaning for smooth performance and a long life. For the same purpose the company has developed a die cleaning solution with an ultrasonic machine which is developed in two parts for longer life. Ajex & Turner – India Website : www.ajexturner.com

After studying for years how to make cost effective dies, Ajex & Turner has developed diamond coated dies, which are replacing PCD with more wear resistance, an extremely smooth surface with immensely low friction. The dies are suitable for: • Drawing stainless steel wire or carbon steel wire up to 0.6%C • Drawing aluminium or Al alloy wire • Drawing nickel silver wire • Drawing copper/brass tubes • Drawing wire and compacting/ stranding copper and aluminium Aluminium RBD processes make stronger and better wire using low friction diamond coated dies. There is much better performance than TC or PCD dies, made possible by improved diamond die technology. The die also gives a surface finish hold +0 tolerance for up to 500 tones (stainless steel and carbon steel wire up to 0.6%C). The price is two to ten times lower than PCD dies (depending on the bore diameter). These diamond coated dies can be used for wire drawing and compacting copper/aluminium/aluminium alloy/nickel/ stainless steel, copper and brass tube and it can be made from 3mm to 72mm. For high and low carbon, Ajex & Turner has developed pressure dies for a long life. These dies are used for dry and wet drawing, respectively. With its revolutionary concept of disassembling die, it improves lubrication, gives 30 per cent more nib or pallet life and produces higher quality wire. The pressure dies contribute significantly to an increase in drawing speeds and improve productivity to the wire plant. By using the pressure die, the re-cutting or refurbishment is very much eliminated and the wire drawing speed also increases up to 50m per second. The company claims that this perfor- mance can only be achieved with Ajex pressure dies and their drawing inserts. The company also provides three-day workshops to engineers and operators to learn step-by-step maintaince of the die for maximum utilisation and longer life. The cost of the die plays an important role, and Ajex & Turner has developed many machines for die polishing and

▲ ▲ Carbide pressure die

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July 2015