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  2. Bending (metalworking) - Wikipedia

    en.wikipedia.org/wiki/Bending_(metalworking)

    In bottoming, the sheet is forced against the V opening in the bottom tool. U-shaped openings cannot be used. Space is left between the sheet and the bottom of the V opening. The optimum width of the V opening is 6 T (T stands for material thickness) for sheets about 3 mm thick, up to about 12 T for 12 mm thick sheets.

  3. Sheet metal - Wikipedia

    en.wikipedia.org/wiki/Sheet_metal

    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. In most of the world, sheet metal thickness is consistently specified in millimeters. In the U.S., the thickness of sheet metal is commonly specified by a traditional, non-linear measure known as its ...

  4. Types of press tools - Wikipedia

    en.wikipedia.org/wiki/Types_of_press_tools

    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. Blank sheet to used as final product.

  5. Shop drawing - Wikipedia

    en.wikipedia.org/wiki/Shop_drawing

    1.1 Comparison information for the architect and engineer 1.2 Notes of changes or alterations from the construction documents 1.3 Information needed to fabricate the product

  6. Machine press - Wikipedia

    en.wikipedia.org/wiki/Machine_press

    Manual goldsmith press General-purpose hydraulic shop press Power press with a fixed barrier guard A HACO CNC hydraulic press brake A press brake bending a sheet of steel. A forming press, commonly shortened to press, is a machine tool that changes the shape of a work-piece by the application of pressure. [1]

  7. Hemming and seaming - Wikipedia

    en.wikipedia.org/wiki/Hemming_and_seaming

    hemming process A closed hem A seam. Hemming and seaming are two similar metalworking processes in which a sheet metal edge is rolled over onto itself. Hemming is the process in which the edge is rolled flush to itself, while a seam joins the edges of two materials.

  8. Birmingham gauge - Wikipedia

    en.wikipedia.org/wiki/Birmingham_gauge

    The Birmingham gauge ranges from 5/0 or 00000, the lowest gauge number corresponding to the largest size of 0.500 inches (12.7 mm), to 36, the highest gauge number corresponding to the smallest size of 0.004 inches (0.10 mm). The increments between gauge sizes are not linear and vary. [2]

  9. List of manufacturing processes - Wikipedia

    en.wikipedia.org/wiki/List_of_manufacturing...

    This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Manufacturing processes This section does not cite any sources.