Abstract
The general terms ‘cold forging’ or ‘cold forming’ are applied to operations in which established processes, such as extrusion, upsetting (heading), drawing, ironing, sinking, coining, swaging, expanding, and thread and form rolling, are combined in a predetermined sequence. The technique is used for the manufacture of a wide range of light engineering components, such as gudgeon pins, spark-plug bodies, drive shafts, flanges, ball-race, casings, socket spanners, assorted cylinders, and toothed and splined parts.
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