Cutting – Means to drive or to guide tool – With simple rectilinear reciprocating motion only
Patent
1996-08-02
2000-05-30
Rada, Rinaldi I.
Cutting
Means to drive or to guide tool
With simple rectilinear reciprocating motion only
83628, 83629, 83632, 83691, 8369871, 100282, B26D 508, B30B 106
Patent
active
060678860
ABSTRACT:
In accordance with one aspect of this invention an improved trim press is taught for use in separating molded articles from a web of material. The trim press includes a frame, a drive motor carried by the frame, a first platen carried by the frame, and a second platen carried by the frame and configured to be moved in reciprocation relative to the first platen. A first flywheel assembly is provided on the trim press having a weight with an eccentric mass, the weight being driven in rotation by the motor and coupled to drive the second platen via at least one kinematic linkage. The trim press also includes a second flywheel assembly having a weight with an eccentric mass, the weight being driven in rotation by the motor and coupled to drive the second platen via at least one kinematic linkage. In operation, the first flywheel assembly and the second flywheel assembly are constructed and arrange such that the eccentric mass of the associated weight on the first flywheel assembly is positioned in mirror image with the eccentric mass of the associate weight of the second flywheel assembly, the first and the second flywheel assemblies being driven in counter rotation so as to substantially cancel out dynamic forces produced out of the axis of movement of the movable platen. The flywheel assembly can also include an output shaft driven in rotation by the motor and a weight having interlocking features for mating the weight on the shaft for rotation.
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Goodman Charles
Rada Rinaldi I.
The Vision Limited Partnership
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