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Buckeye Steel Castings was a Columbus, Ohio steelmaker best known today for its longtime president, Samuel P. Bush, who was the grandfather of President George H. W. Bush and great-grandfather of President George W. Bush. Buckeye, named for the Ohio Buckeye tree, was founded in Columbus as the Murray-Hayden Foundry, which made iron farm implements.
The pattern is made of wax, wood, plastic, or metal. The molds are constructed by several different processes dependent upon the type of foundry, metal to be poured, quantity of parts to be produced, size of the casting, and complexity of the casting. These mold processes include: Sand casting – Green or resin bonded sand mold. Lost-foam ...
The company manufactures sheet molding compounds (SMC), and molds fiberglass reinforced plastics. It occupies over 1,000,000 square feet of manufacturing space and its main subsidiaries are in Matamoros, Mexico, Gaffney, South Carolina, and Cincinnati, Ohio. In 2011, Core Molding Technologies formed Core Specialty Composites, LLC. [1] [2]
A bronze casting showing the sprue and risers. A riser, also known as a feeder, [1] is a reservoir built into a metal casting mold to prevent cavities due to shrinkage.Most metals are less dense as a liquid than as a solid so castings shrink upon cooling, which can leave a void at the last point to solidify.
Copper alloys, like pewter, or bismuth alloy molds can be cast around a model to create strong molds with higher molding temperatures than epoxy molds. The casting around a model to create each mold part produces complex molds quickly. The parts can also capture detailed surface finishes.
An engine block with aluminum and magnesium die castings. Die casting is a metal casting process that is characterized by forcing molten metal under high pressure into a mold cavity. The mold cavity is created using two hardened tool steel dies which have been machined into shape and work similarly to an injection mold during the process.