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  2. Heavy Press Program - Wikipedia

    en.wikipedia.org/wiki/Heavy_Press_Program

    The Wyman-Gordon 50,000-ton forging press. The Heavy Press Program was a Cold War-era program of the United States Air Force to build the largest forging presses and extrusion presses in the world. These machines greatly enhanced the US defense industry's capacity to forge large complex components out of light alloys, such as magnesium and ...

  3. Hydraulic press - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_press

    The hydraulic press depends on Pascal's principle.The pressure throughout a closed system is constant. One part of the system is a piston acting as a pump, with a modest mechanical force acting on a small cross-sectional area; the other part is a piston with a larger area which generates a correspondingly large mechanical force.

  4. Alcoa 50,000 ton forging press - Wikipedia

    en.wikipedia.org/wiki/Alcoa_50,000_ton_forging_press

    A die being inserted into the east side of the press. The Alcoa 50,000 ton forging press is a heavy press operated at Howmet Aerospace's Cleveland Operations. It was built as part of the Heavy Press Program by the United States Air Force. It was manufactured by Mesta Machinery of West Homestead, Pennsylvania, and began operation on May 5, 1955 ...

  5. Machine press - Wikipedia

    en.wikipedia.org/wiki/Machine_press

    A press brake is a special type of machine press that bends sheet metal into shape. A good example of the type of work a press brake can do is the back-plate of a computer case. Other examples include brackets, frame pieces and electronic enclosures. Some press brakes have CNC controls and can form parts with accuracy to a fraction of a ...

  6. Jack (device) - Wikipedia

    en.wikipedia.org/wiki/Jack_(device)

    In 1851, inventor Richard Dudgeon was granted a patent for a "portable hydraulic press" – the hydraulic jack, a jack which proved to be vastly superior to the screw jacks in use at the time. [5] Hydraulic jacks are typically used for shop work, rather than as an emergency jack to be carried with the vehicle.

  7. Extrusion - Wikipedia

    en.wikipedia.org/wiki/Extrusion

    A horizontal hydraulic press for hot aluminum extrusion (loose dies and scrap visible in foreground) There are many different variations of extrusion equipment. They vary by four major characteristics: [1] Movement of the extrusion with relation to the ram. If the die is held stationary and the ram moves towards it then it is called "direct ...

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