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FORGING
PROCESSES

Metal Forging
Drop Forging Hammers
Hydraulic And Mechanical Presses
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Swaging Or Radial Forging
Metal Hobbing
Metal Ball Forging
Orbital Forging
Ring Forging
Riveting
Isothermal Forging
Trimming Of Forged Parts
High Energy Rate Forging



MANUFACTURING
PROCESSES

Metal Casting
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Metal Rolling
Metal Extrusion
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Sheet Metal
Powder Processes

Metal Coining

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Metal coining is a forging process by which very fine and intricate details can be created on the surface of a work piece. Coining may be used to control surface quality and detail on parts. Metal coining is often a finishing process for manufactured products. This is a flashless, precision forging operation, that due to the required accuracy of the process, is performed cold. Lubrication is not used, since any substance between the die and work would hinder the reproduction of the most accurate details that are to be formed on the work's surface. In the coining process, a large amount of force is exerted on the forging, over a short distance. Mechanical presses are often used for these operations.



Figure:204
Coining Process















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