A study of heat treatment of aluminium wheel castings

TL;DRAbstract

Continual attempts are made to improve production techniques in modern manufacturing industries to cater for value added products and optimised processing time. Southern Aluminium Pty Ltd (SAPL), a subsidiary of Comalco Aluminium Ltd, established in 1989, is a manufacturer of automobile wheels, having to meet production in excess of fifty thousand wheels per month for the world automobile industry. SAPL produces a variety of wheel types and offer a complete package in design right from inception stage through development, casting, heat treatment, machining and finishing of aluminium alloy wheels. All wheels at SAPL are produced using commercial aluminium alloy 601 which is predominantly an aluminium-silicon magnesium material. A detailed analysis of product flow at SAPL has shown that heat treatment occupies the majority of value added wheel processing time. Heat treatment at SAPL is the controlled process of heating and cooling the alloy wheels in order to improve their mechanical pro

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