drop forging

noun

Metalworking.

1. a drop-forged object.

Word History and Origins

Origin of drop forging¹

First recorded in 1880–85

Example Sentences

Eventually, he borrowed eight hundred and twenty-five dollars from his parents and had Alcoa build him a drop forging die, with which he began to produce carabiners that, like his pitons, were superior to anything then available.

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In drop forging the work is pressed into shape by dead blows, which compress it into shape in dies or moulds.

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It consists of two pieces, the main member being a steel drop forging having the wrist-pin bearing and the upper crank-pin bearing formed integral, while the lower crank-pin bearing member is a separate forging secured to the connecting rod by bolts.

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It is known as the “Spartan” hammer and is a tool steel drop forging in one piece having the working surfaces properly hardened and tempered while the metal is distributed so as to give a good balance to the head and a comfortable grip to the handle.

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There is, however, a large and increasing volume of forgings produced in other ways, and comprehended under the general terms, “die forging” or “drop forging.”

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