Chapter 7. Power Presses. Stamping. One example of a product produced on a power press. http://www.advproducts.com/image/stamping/2-600.jpg. http://en.wikipedia.org/wiki/Progressive_stamping_die. Gap-Frame Presses. Also called “C-frame” presses OBI – Open-back inclinable
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One example of a product produced on a power press
Capacities to 6,000 tons
Force varies throughout the stroke
Limited/difficult overload protection
50,000 + ton capacities
Large force available at the top of the stroke
Overload protectionMechanical Vs. Hydraulic
The Loewy 50,000 ton press during construction. One of eighteen columnar plates (circa 1954).