Fig 1

Forging is a manufacturing process involving the shaping of metal using localized

compressive forces using a power hammer or a press. Forging is often classified according to the temperature at which it is performed: "cold", "warm", or "hot" forging. Forged parts can vary in size and weight. Forged parts usually require further processing to achieve a finished part. Forging can produce a piece that the Mechanical properties is stronger than an equivalent cast or machined part. Some metals may be forged cold, but iron and steel are almost always hot forged. Hot forging prevents the work hardening that would result from cold forging, which would increase the difficulty of performing secondary machining operations on the piece. Also, while work hardening may be desirable in some circumstances, other methods of hardening the piece, such as heat treating, are generally more economical and more controllable. Alloys that are amenable to precipitation hardening, such as most aluminum alloys and titanium, can be hot forged, followed by hardening. Most forging operations use metal-forming dies, which must be precisely machined and carefully heat-treated to correctly shape the work piece, as well as to withstand the tremendous forces involved.

Fushing provides quality forging manufacturing for all types of industries.

The process of forging refines the grain structure and improves physical properties of the metals. With proper design, the grain flow can be oriented in the direction of principal stresses encountered in actual use. Grain flow is the direction of the pattern that the crystals take during plastic deformation. Physical properties, such as strength, ductility, and toughness, are much better in forging then in the base metal, which has crystals randomly oriented.



Fig 2

Materials for Forging:Aluminum, Brass, Steel

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