sheet_metal - Sheet Metal Forming Processes shearing,...

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Sheet Metal Forming Processes shearing , bending , stretching involves workpieces with a high ratio of surface area to thickness plates, thickness > ¼ inch sheets, thickness ¼ inch typical items produced by sheet-metal forming processes: metal desks appliance bodies hubcaps aircraft panels beverage cans car bodies kitchen utensils sheet metal is formed by rolling; if the metal is thin, it is generally coiled Chap 2 , sheet metal – p. 1
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SHEARING cutting sheet metal by subjecting it to shear stresses punch and die variables of the shearing process punch force speed of the punch lubrication punch and die materials corner radii of punch and die clearance between punch and die Chap 2 , sheet metal – p. 2
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the clearance distance between the punch and die is the major factor determining the shape and quality of the sheared edge as the clearance increases, the edges become rougher the punch does not have to go all the way through the sheet a burr is usually formed on the sheet and the slug Chap 2 , sheet metal – p. 3
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This note was uploaded on 11/19/2010 for the course EML 2322l taught by Professor Staff during the Spring '08 term at University of Florida.

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sheet_metal - Sheet Metal Forming Processes shearing,...

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