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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

    The Alcoa 50,000 ton forging press is a heavy press ... Operating hydraulic pressure: 4500 psi ... American Society of Mechanical Engineers. 1981-09-24 ...

  5. China National Erzhong Group - Wikipedia

    en.wikipedia.org/wiki/China_National_Erzhong_Group

    China National Erzhong Group is a Chinese state-owned heavy machinery company, which makes smelting and forging equipment, with its headquarters in Deyang, Sichuan. [1] In 2015, it defaulted on interest payments after a local court accepted a restructuring request from one of its creditors. [1] As of 2008, it had 12,650 employees.

  6. Wyman-Gordon - Wikipedia

    en.wikipedia.org/wiki/Wyman-Gordon

    The 50,000-ton press was the largest machine in the world at the time, 10 stories high and with foundations extending 100 ft (30 m) into bedrock. In 1983, the American Society of Mechanical Engineers designated the 50,000-ton forging press in North Grafton as a National Historic Mechanical Engineering Landmark. [6]

  7. Machine press - Wikipedia

    en.wikipedia.org/wiki/Machine_press

    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] The operator of a forming press is known as a press-tool setter, often shortened to tool-setter. Presses can be classified according to their mechanism: hydraulic, mechanical, pneumatic;