Drop Forging

Drop forging is the most common metal forging method, and it can be employed in hot forging, warm forging, and cold forging, as well as in both open die forging and closed die forging.This is a modern form of smith forging; the manual force of the blacksmith wielding a hammer has been replaced by a mechanized hardened alloy steel hammer fitted with a specially shaped die.

Drop Forging Drop forging is a metal shaping process in which a hammer drops onto an ingot, or metal workpiece, in order to compress it and conform it into the shape of a die or set of dies.

Leading Manufacturers

Chicago, IL  |  800-932-0357

Although we have over 100 years of experience, we are committed to continually expanding our offerings in all industries. We are not content to remain as we are, but we continually work to improve our products and processes each and every day. We will work with you to create the ultimate copper forging for your needs. Find out more on our website, or you can give us a call today!

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Jefferson, OH  |  888-536-3674

Here at Ken Forging we are a family-owned business who offers our customers high quality copper forgings. We require no minimum orders and our forgings come in a variety of materials including: stainless steel, carbon steel and more. We provide outstanding technical support and our teams are here to meet your needs by providing same day shipping. You can trust the experts at Ken Forging. Contact us today for more information!

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Drop Forging List

Forging strengthens metal for its particular use by causing the internal grain of the metal to deform to follow the shape of the part. Most metals can be drop forged, but among the most common are high alloy steel, naval brass, carbon steel, aluminum, alloy metals, stainless steel, copper, nickel, tool steel and titanium.

Drop forgings are used particularly often by industries such as aerospace, national defense, automotive, agriculture, construction, hardware, mining, material handling and manufacturing. Products produced by drop forging include crank shafts, stub-axles, gears, chains, hooks, shackles, bolts, rods, medical implants, suspensions and general industrial equipment. Many hand tools have “Drop Forged” boldly imprinted on them to indicate their added strength and durability as a result of the forging process.

Open Die Forged Metals
Drop Forging – Anderson Shumaker Company

The drop forging process starts with pre-formed and often heated metal workpieces that are placed on a die. The forging dies are made of hardened alloy steel that are made in halves—one is attached to the rising and falling block, or ram, while the other is attached to the stationary anvil on the bottom.

The hammer die strikes the metal in order to force it to take the shape of the die(s), using singular or repeated blows. Many drop forging processes involve moving the workpiece through a sequence of die cavities and strikes to gradually change its shape.

In closed die forging some metal juts out at the parting lines of the dies. This flash material must be removed by machining. Drop hammer forges use hydraulic, pneumatic or mechanical force to raise the hammer and then assist gravity in accelerating it into the workpiece, producing a striking force between 11,000 and 425,000 pounds. Drop forging produces parts that exhibit superior load bearing strength, good response to heat treatment, good internal integrity, great strength-to-weight ratio and a high degree of reliability.

Drop Forging Informational Video