Forming method for railway waggon wheels - with first mandrel from first die moving material out of blank centre, and second mandrel moving into preformed blind hole
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Double press
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Method and apparatus for the production of a wheel, especially a train wheel, which is preferably preformed
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Forming machine with press cylinder with two assigned piston pumps
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Method for drive control for hydraulic press - blocks pressure medium flow to retraction cylinders after working stroke, to prevent return stroke
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Hydraulically actuated forging press - has a workpiece manipulator which is synchronised with movement of press ram
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Longitudinal forging machine for forging round or sharp-edged bars
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Hydraulically driven forging machine
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Drive for a hydraulic press with a high stroke frequency, in particular for an open-die forging press
JPS5950944A
Exchanger for at least two lower tool of free molding forging press
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INTERCHANGEABLE DEVICE FOR AT LEAST TWO TOOLS OF A FREE-FORMING FORGING PRESS
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FILLING SYSTEM FOR RAPID MOVEMENT ON HYDRAULIC PRESSES WITH DIRECT PUMP DRIVE
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HYDRAULIC MULTI-CYLINDER PRESS, IN PARTICULAR FORGING PRESS
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Hydraulic press drive with several pumps - has brakes on drive sections of pumps or motors to stop assembly on drive failure
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Hammer forging presses
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Hammer forging press
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DEVICE FOR WIDENING LARGE RINGS
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Forging press or drop hammer - has channel section side members to resist bending and tie rods to resist tension
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Press system hydraulic drive device - has decompression valves to allow stress relief after pressing to occur more rapidly
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Horizontal hydraulic press with removable top spar - has movable cross beam guided on central shaft
