PRESS WITH A DIRECTLY DRIVEN CRANK DRIVE
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United States of America Patent
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Issued Date -
Oct 25, 2012
app pub date -
Oct 30, 2010
filing date -
Nov 4, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A press with at least one press frame, a platen mounted therein and a ram driven by means of at least one crank drive, wherein an upper mould part is arranged on the ram and a lower mould part is arranged on the press platen, at least one crankshaft with at least one crank pin and at least one connecting rod is arranged as the crank drive, and at least one direct drive, driving the crankshaft directly, is arranged as the motor for driving the crankshaft. To provide a press in which the input-side forces of the direct drive can be passed on the output side with much less loading for the crankshaft, and at the same time the overall stiffness of the drive train is increased significantly and/or the overall length of the drive train is minimized. With at least one motor arranged within a press, at least two connecting rods on at least one crankshaft, at least one motor is arranged between the connecting rods.
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