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Jun/Jul 2008Subscribe NowEngine videos online! Check out the GEM video index on YouTube, the quickest way to find gas engine videos on the Internet. We’ve done the searching, all you have to do is the watching! Click below for GEM engine video index. |
ALUMINUM CASTINGSBy Jim MaxwellRFD 2, Box 470, Knightstown, Indiana 46148 Casting has been popular for many years. It provides uniform grain structure superior in strength to a similar part machined from the same type of metal. Production procedures for casting are normally quicker and cheaper due to lack of machining time and little material waste. Metal casting is a process whereby liquid metal is poured into a mold. The metal cools and solidifies in the mold, taking on its shape. The metal discussed hereafter in relation to casting will be aluminum. It works best because of its low (1218°) melting temperature. However, the casting process is very much the same for other metals. The first step is to make the pattern. An original part makes a good pattern or patterns may be made from wood, aluminum and even styrofoam. However, styrofoam patterns may be used only once, for they ... 812 of 3193 characters shown.
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