Method for manufacturing a high-strength blade-type golf iron head with a thin blade
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United States of America Patent
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Jun 27, 2017
Grant Date -
Apr 2, 2015
app pub date -
Aug 6, 2014
filing date -
Sep 30, 2013
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Abstract
A method for manufacturing a high-strength blade-type golf iron head with a thin blade includes placing a shell mold onto a rotary table. At least one metal ingot is placed into a crucible portion of the shell mold and is heated to melt in a vacuum environment. The rotary table rotates to cause the molten metal to flow into a cavity portion of the shell mold. The rotating shaft is slowly stopped, and the shell mold is removed after pouring. The shell mold is destroyed after the molten metal cools and solidifies, obtaining a casting. A cast product portion is separated from the casting to obtain at least one blade-type golf iron head having the blade with a minimum thickness of 3.5-5.0 mm. The weight of the blade-type golf iron head is reduced by 0.9-2.5%, and the center of gravity of the blade-type golf iron head is lowered by 0.2-0.75 mm.
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