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Metal Casting Technologies : September 2007
81 WHO'S WHO OF METALS -- ANNUAL 2007/8 100T/H VARIABLE HEIGHT DISCHARGE MIXER Top of IMF range of machines, this high speed mixer can vary the height of the discharge mouth to suit the different moulds to be produced. The vertical movement is provided by hydraulic cylinders and by a parallelogram system. It is one of the biggest mixers on the market, equipped with binder flow control systems (Accu Pump), setting time control (CATA2), magnetic driving pumps and electronic program configurations fully adjustable by the user. FASTFORM - Moulding machine for small moulds (patent pending) This Patent has been developed by IMF for the production of moulds (size 540x420x150 mm) in large runs. The simpleness of the system, the low investment and the possibility of using either wood or resin equipment make this solution easily accessible to every foundry. Moreover, the cold box process used offers lower production costs, thanks to an easy sand recovery. Filling occurs by gravity and while the sand box is being moved the sand mould is levelled and is compacted by vibration. Hardening occurs thanks to the movement of the vacuum gassing head above the sand mould and the injection of the gaseous catalyst. When the hardening has occurred, the sand mould is stripped by the ejector pins and it is then collected by a manipulator which positions it on a conveyor belt. The production cycle is 1 sand mould for minute. The system consists of two forming machines, two painting and core assembling belts, which merge into a single matching system. ADVERTISING PROMOTION