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Casting of Brake Disc and Impeller from Aluminium Scrap Using Silica Sand

Author(s): Matthew S. ABOLARIN | Oluwafemi A. OLUGBOJI | Oladeji A. OGUNWOLE

Journal: Leonardo Electronic Journal of Practices and Technologies
ISSN 1583-1078

Volume: 6;
Issue: 10;
Start page: 145;
Date: 2007;
Original page

Keywords: Impeller Blade | Brake Disc | Green Moulding | Crucible Furnace | Fettling

The impeller blade and the brake disc were produced using sand casting method. Wooden patterns of the two castings were constructed incorporating the necessary allowances. Green and moulding technique utilizing locally available materials were used for preparing the moulds. Aluminium scraps were used as the casting material. Melting of the Aluminium scraps was obtained using a crucible furnace and finally pouring the molten metal into the sand mould to obtain the impeller and the brake disc.After fettling and cleaning, the two casting were found to be good. The casting yield was found to be 73.59% for the impeller blade and 85.1% for the brake disc which indicate that sound casting was achieved.
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