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2. Types of press tools - Wikipedia

   en.wikipedia.org/wiki/Types_of_press_tools

   Size of blank or product is the size of the die & clearance is given on punch. It is a metal cutting operation. In blanking, metal obtained after cutting is not a scrap if it is usable. The size of the blank depends on the size of the die. So the size of the die opening is equal to the blank size. Clearance is given to the punch.

3. Sheet metal - Wikipedia

   en.wikipedia.org/wiki/Sheet_metal

   Thicknesses can vary significantly; extremely thin sheets are considered foil or leaf, and pieces thicker than 6 mm (0.25 in) are considered plate, such as plate steel, a class of structural steel. Sheet metal is available in flat pieces or coiled strips. The coils are formed by running a continuous sheet of metal through a roll slitter.

4. Metal fabrication - Wikipedia

   en.wikipedia.org/wiki/Metal_fabrication

   Cutting torches can cut large sections of steel with little effort. Burn tables are CNC (computer-operated) cutting torches, usually powered by natural gas. Plasma and laser cutting tables, and water jet cutters, are also common. Plate steel is loaded on the table and the parts are cut out as programmed.

5. Plasma cutting - Wikipedia

   en.wikipedia.org/wiki/Plasma_cutting

   Hand-held torches can usually cut up to 38 mm (1.5 in) thick steel plate, and stronger computer-controlled torches can cut steel up to 150 mm (6 in) thick. [citation needed] Since plasma cutters produce a very hot and very localized "cone" to cut with, they are extremely useful for cutting sheet metal in curved or angled shapes.

6. Surface plate - Wikipedia

   en.wikipedia.org/wiki/Surface_plate

   A 250 mm x 250 mm surface plate. A surface plate is a solid, flat plate used as the main horizontal reference plane for precision inspection, marking out (layout), and tooling setup. [1]

7. Clinching - Wikipedia

   en.wikipedia.org/wiki/Clinching

   Clinching phases. In metalworking, clinching or press-joining is a bulk sheet metal forming process aimed at joining thin metal sheets without additional components, using special tools to plastically form an interlock between two or more sheets.