Up-acting press

Up-acting press brakes require a low-profile mechanical structure to fit into the limited space available for mounting. (See Fig. 21.)... 

Like up-acting presses, these down-acting presses are in frame- or column construction. Fig. 24, 25 and 26 illustrate the design of a frame-... 

The two-column press, as shown in Fig. 27 and 28, takes the same form of a closed frame as the up-acting press, in that the frame is formed by the cylinder-platen, the bottom platen and the two columns, the ends of which are prestressed by nuts and check nuts on the platens. The plunger crosshead is guided in its travel over the columns and is moved up by two lateral return plungers. The return cylinders are inserted in the... 

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