Hydraulic press for plastic and metal processing
A technology for metal processing and hydraulic presses, applied in the field of hydraulic presses, can solve problems such as high power peaks, and achieve the effects of small circulating hydraulic oil volume, energy saving, and cooling power reduction
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[0025] 1 shows a schematic sectional view of a hydraulic press in the opened state, with a press frame 1 , a press table 20 fixedly arranged thereon, and a press punch 2 arranged displaceably above it. To move the press punch 2 in the rapid stroke, a rapid stroke cylinder 12 is arranged laterally on the punch adapter 13 . A toothed rack 3 is articulated via a hydraulic bearing 4 above the press punch 2 according to implementation requirements and necessity, and the toothed rack is guided in the center bore of the piston 6 of the working cylinder 7 . In this case, the piston 6 has an extension 18 for reliable guidance of the toothed rack 3 and at the same time protects the toothed rack 3 from environmental influences.
[0026] An enlarged view of the press in the open state can again be seen in FIG. 2 . At this time, the clutch pawl 5 is opened, and the piston 6 of the main hydraulic cylinder 7 is located at the top dead center. The above-mentioned situation can be achieved w...
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