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Metal Fabrication techniques

by Amit Verma on Sep 8, 2010

The fabrication of metal is divided into several parts like:

Forging: It involves plastic deformation of the work piece by compressive forces. Crankshafts, connecting rods, gears, bolt heads etc., are made by forging.
Rolling: It is a process of reducing the thickness of a long work piece by compressive forces using a set of rolls.
Extrusion: During extrusion billets are forced through one or more dies by a compressive force that is applied to a ram.
Drawing: Drawing is a process of forming sheet metal into shapes such as cups and trays.
Deep Drawing: is a type of drawing where the depth of the part can be greater than its diameter.
Bending: The workpiece is bent to form flanges, contours, curls, seams, corrugations and other geometries by means of applying force through hydraulic, pneumatic and electrical machines.
Spinning: It is a process of forming axially symmetrical shapes.
Shearing can be of different types:
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