Press machine
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United States of America Patent
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Jul 11, 2017
Grant Date -
Jan 21, 2016
app pub date -
Mar 12, 2014
filing date -
Mar 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A press machine includes a press frame having first and second portions, a crankshaft, a crankshaft, a ram, a ram drive mechanism supported by the first portion of the press frame at a primary force application location, a ram guide linearly guiding the ram, and supported by the second portion of the press frame at a ram guide location; and a working tool including an upper tool section and a lower tool section configured for the processing of a workpiece. The upper tool section is fixedly attached to the ram and the lower tool section is fixedly attached to the press frame at a lower tool location. The primary force application location has a first working position during the processing of the workpiece, and a second resting position when the workpiece is not being processed. The ram guide location has a first working position during the processing of the workpiece, and a second resting position when the workpiece is not being processed. The difference between the working position and the resting position of the ram guide location is less than the difference between the working position and the resting position of the primary force application location.
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