Method for manufacturing a low-density steel wooden golf head
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United States of America Patent
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Jan 17, 2017
Grant Date -
Jul 2, 2015
app pub date -
Dec 19, 2014
filing date -
Dec 31, 2013
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Abstract
A method for manufacturing a low-density steel wooden golf head solves the difficulty in reducing the thickness of a conventional wooden golf head. The method includes placing a shell mold having a crucible portion and a cavity portion in communication with the crucible portion on a rotary table, placing a metal ingot into the crucible portion, followed by melting the metal ingot in molten metal in a vacuum environment, rotating the rotary table to cause the molten metal to flow into the cavity portion under a centrifugal force, gradually slowing down the rotary table after the molten metal cools and solidifies, destroying the shell mold to obtain a casting including a cast product portion, and separating the cast product portion from the casting to obtain a casting product of a wooden golf head having a density of 6.5-7.6 g/cm3 and a minimum thickness of 0.4-0.6 mm.
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