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Metal Spinning Terms
– A substance that has metallic properties
and is composed of two or more chemical elements of which at least one
is an elemental metal.
– An uncontrolled deformation pattern perpendicular to
the surface of a sheet, caused by compressive stresses.
– Computer Numeric Controlled.
– The sheering tendency of sheet metal material which occurs
via the bending of the same plane.
– Also referred to as “cold forming” or “cold
forging,” it is the reforming of metal usually, but not necessarily,
conducted at room temperature; Contrast this process with hot working.
– Having the same center, as concentric circles; having
the same axis, as concentric cylinders.
– The drawing of deeply recessed parts from sheet
material through plastic flow of the material when the depth of the recess
equals or exceeds the minimum part width.
– A tool, usually containing a cavity, which imparts shape
to solid, molten or powdered metal primarily because of the shape of
the tool itself.
– A circular plate with a hole in the center contoured
to fit a forming punch; a draw plate is used to support the blank during
the forming cycle.
– The amount of permanent extension of the material
before it fractures.
– The bending of a piece 180° usually done in two steps
after a piece has been created via spinning. A sharp angle is created,
and then it is closed via a flat punch and die.
– A device used to secure a workpiece.
– Machine tool for shaping metal or wood; the workpiece turns
about a horizontal axis against a fixed tool.
– Also called a “chuck,” it is a tapered steel
form used to support metal as it is being formed.
– The reduction of the cross-sectional area of metal in
a localized area by uni-axial tension or by stretching.
– Texture of steel that appears like an orange, either
from the steel mill or after forming.
– Bending metal to a great degree than called for in
the finished piece, hindering springback.
– The realigning or adjusting of dies or tools during a production
run; reset should not be confused with the operation setup that occurs
before a production run.
– A general term used to describe most press workings.
– Used most often as a spacer within the spinning
machine.
– The form to which the sheet metal is formed to simulate.
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