Archives: Post Types

Nonfill (underfill)

Forging condition that occurs when the finish die impression is not completely filled with metal. Some causes are: improper distribution of metal in preforming operations such as fullering, edging, and…
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Nonferrous

Metals or alloys that contain no appreciable quantity of iron; applied to such metals as aluminum, copper, magnesium, and their alloys.
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Nondestructive inspection

Any method of detection or measurement of the properties or performance capabilities of materials, parts, assemblies, or structures that does not impair the surface or internal integrity of the part.
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No-draft forging

A forged shape with extremely close tolerances and little or no draft, requiring a minimum of machining to produce the final part. Mechanical properties can be enhanced by this closer…
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Net-shape forging

(See also Precision forging) Forging components on one or more sides to net shape requiring no further machining on at least one side. e.g. net forged gear with machined back…
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Nesting

The positioning of multiple pieces in a forging die design.
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Natural draft

Taper on the sides of a forging, due to its shape or position in the die, that makes added draft unnecessary.
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Multiple

(1) Term used to describe a die impression designed to produce more than a single piece at a time. (2) A piece of stock for forging that is cut from…
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