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  2. Ironworker (machine) - Wikipedia

    en.wikipedia.org/wiki/Ironworker_(machine)

    This particular machine stands over 6 ft (1.8 m) tall and can shear, notch, and punch precision holes in plate steel up to 5/8 in (15 mm) thick. An Ironworker is a class of machine that can shear, notch, and punch holes in steel plate and profiles. Ironworkers generate force using mechanical advantage or hydraulic systems. [1]

  3. Punching machine - Wikipedia

    en.wikipedia.org/wiki/Punching_Machine

    A punching machine is a machine tool for punching and embossing flat sheet-materials to produce form-features needed as mechanical element and/or to extend static stability of a sheet section. According to the file, Richard Walsh, the county of Grayson, and the State of Texas had invented and applied for US patent in 1894.

  4. Types of press tools - Wikipedia

    en.wikipedia.org/wiki/Types_of_press_tools

    Blanking is the operation of cutting flat shapes from sheet metal. The outer area of metal remaining after a blanking operation is generally discarded as waste. 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.

  5. Punch press - Wikipedia

    en.wikipedia.org/wiki/Punch_press

    Turret type punch press machines have a table or bed with brushes or rollers to allow the sheet metal workpiece to traverse with low friction. Brushes are used where scratches on the workpiece must be minimized, as with brushed aluminium or high polished materials. The punch press is characterized by parameters such as: Frame type

  6. Jeffrey Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Jeffrey_Manufacturing_Company

    The Jeffrey Manufacturing Company, was an American industrial equipment manufacturing company, at one time the largest producer of coal cutting machines and mining locomotives in the world. It was established in 1878 as the Lechner Mining Machine Company, based in Columbus, Ohio , and is credited with producing America's first power-driven coal ...

  7. Progressive stamping - Wikipedia

    en.wikipedia.org/wiki/Progressive_stamping

    Progressive Die is a metalworking method that can encompass punching, coining, bending and several other ways of modifying metal raw material, combined with an automatic feeding system. The feeding system pushes a strip of metal (as it unrolls from a coil) through all of the stations of a progressive stamping die. [1]

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  9. Automatic center punch - Wikipedia

    en.wikipedia.org/wiki/Automatic_center_punch

    An automatic center punch is a hand tool used to produce a dimple in a workpiece (for example, a piece of metal). It performs the same function as an ordinary center punch but without the need for a hammer. When pressed against the workpiece, it stores energy in a spring, eventually releasing it as an impulse that drives the punch, producing ...

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