Improvements in rolls for aluminum extrusion presses. They apply to presses cylinder comprising multiple drive with pistons fluid-dynamic set for aluminum drive inside the womb; further developments are characterized by the fact that multiple cylinders comprising at least two chambers or cylinders themselves (2.3) coax for pistons (6.7) corresponding, which are mounted on tandem axle on a common (5 ) passing through both chambers (2,3) and joins for his protruding end (8), the statement of aluminum drive inside the mold. Intensifier provide a simple embodiment escaso system performance and large volume. (Machine-translation by Google Translate, not legally binding)
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