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용어(terms)
- stamping
Stamping is a term used to refer to various press forming operations including coining, embossing, blanking,
and pressing. Forming metals apply pressure to the surface of a metal, usually a strip or sheet. The operations most
commonly associated with stamping are blanking, piercing, forming, and drawing. These operations are done with hard
tooling.
- blanking
The operation of punching, cutting, or shearing a piece out of stock to a predetermined shape by
die cutting the outside shape of a part. Blanking cuts a large sheet of stock into small pieces suitable for the
next stamping operation, such as drawing and forming. It is often combined with piercing.
- embossing
A process for producing raised or sunken designs or relief in sheet material by means of male and female dies,
theoretically with no change in metal thickness or by passing sheet or a strip of metal by passing between rolls of
desired pattern. Examples are letters, ornamental pictures, and ribs for stiffening. Heavy embossing and coining are
similar operations.
- punching
Shearing holes in sheet metal with punch and die. (2) The die shearing of a closed contour in which the sheared out
sheet metal part is scrap.
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