Bar press with hydraulic drive
a bar press and hydraulic drive technology, applied in the field of bar and tube extruder press, can solve the problems of relatively high noise level, undesirable vibration, and relatively high cost of axial piston pump, and achieve the effect of high shear strength
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[0054]Of a bar and tube extruding press or a metal extrusion press 1, FIG. 1 essentially shows a base frame. This consists of a cylinder bar 2 and a counter bar 4, not displayed here, which is braced to it by way of traction sipes 3 (cf. for instance, FIG. 8a). Further contributing to the frictional connection between these components are pressure columns 5, which envelop the traction sipes 3 between the cylinder bar 2 and the counter bar 4. The pressure columns 5 also serve as guide supports of a male die traverse 6 which is movable in the base frame, and of a movable ingot container holder 7. The ingot container holder 7, which holds an ingot container or recipient 8, is moved by way of electric motors 12 or 13, specifically of servo drives, like the male die traverse 6, which supports the advance end of a press piston 11 guided with hydrostatic bearings in its cylinder housing 9 in the counter bar 4 (cf. FIGS. 2 through 4). Such an electric motor 12 or 13 is provided on each long...
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