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The Engineering Toolbar
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Cold Forging
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Cold forging, also known as cold heading, is a variation of impression die forging and may include processes such as bending, cold drawing, cold heading, coining, extrusions, punching, thread rolling, and others. Part temperature during cold forging ranges from room temperature to several hundred degrees. Cold forging is primarily used on smaller parts of 10 pounds or less for applications requiring high strength, close tolerances, and volume production. Cold forging materials include lower-alloy and carbon steels, 300 and 400 series stainless steel, selected aluminum alloys, brass and bronze. Products & Services
In the forging process, metal is shaped by pressing, pounding, or squeezing under very high pressure, to form parts called forgings. Forging processes include cold forging or heading, impression or closed die, open die, and seamless rolled ring.
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Cold forming and cold heading services form metal by placing it under pressure, without the addition of heat, until the desired shape is achieved. Cold heading is commonly used to manufacture bolts, rivet nuts, and many other fasteners.
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Forging equipment uses compressive force to shape metal parts. Products include drop hammers, counterblow machines, roll forming equipment, upsetting equipment, and machines for cold forging, hot forging, warm forging, and radial forging.
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Hot forming machines form metal that has been preheated. Cold forming machines form metal that has not been preheated.
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Tool steels are wear resistant ferrous alloys based on iron and carbon with high levels of alloying elements such as chromium, molybdenum, tungsten and vanadium.
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Topics of Interest
Metal working fluids are straight oils, soluble oils, semi-synthetic, and synthetic fluids that facilitate a wide variety of operations involving the working or modification of metals by metal...
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There are basically three methods (or processes) to make a forged part.
Impression Die Forging
Cold Forging
Open Die Forging
Seamless Rolled Ring Forging...
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In the impression die forging process, a press or hammer is used to pound or press metal into the desired shape. The hydraulic presses, mechanical presses and hammers used in this process have...
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Cold finishing or cold rolling is an alloying process that mechanically deforms or works the metal at a temperature that is below the recrystallization point. Cold finishing or cold rolling processes...
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Theory of Plasticity studies the distribution of stresses and particle velocities (or displacements) in a plastically (irreversible) deformed body, when are known the external factors which have acted...
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