Patent ID: 9701084
Date: 2017-07-11
CPC Classifications: B30B

Claim:
1. A press machine comprising: a C-shaped press frame comprising a first portion, a second portion, and a throat; a crankshaft rotatably supported by the press frame, wherein the crankshaft has at least one first eccentric portion; at least one crankshaft motor connected to the crankshaft and driven to rotate said 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 said ram, and supported by the second portion of the press frame at a ram guide location; and a working tool comprising an upper tool section and a lower tool section configured for the processing of a workpiece, wherein the upper tool section is fixedly attached to the ram and wherein the lower tool section is fixedly attached to the press frame at a lower tool location, and wherein the primary force application location has a working position during the processing of the workpiece, and a resting position when the workpiece is not being processed, and wherein the ram guide location has a working position during the processing of the workpiece, and a resting position when the workpiece is not being processed, and wherein the difference between said working position and said resting position of the ram guide location is less than the difference between said working position and said resting position of the primary force application location.