Engraving mechanism for electronic engraving machines
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United States of America Patent
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Oct 21, 2003
Grant Date -
N/A
app pub date -
Jul 2, 2002
filing date -
Nov 4, 1999
priority date (Note) -
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Abstract
An engraving element of an electronic engraving machine for engraving printing cylinders as a shaft oscillating with small rotational angles around the longitudinal axis, a restoring element, a shaft bearing, a damping mechanism, a drive for the shaft, a lever-shaped stylus holder attached to the shaft, and an engraving stylus as a cutting tool. For engraving cups, the engraving stylus executes a stroke motion in the direction of a rotating printing cylinder. The engraving element is arranged with respect to the printing cylinder rotating around the rotational axis such that the shaft of the engraving element proceeds substantially parallel to the rotational axis of the printing cylinder, and the stroke motion of the engraving stylus occurs in a plane oriented perpendicular to the rotational axis of the printing cylinder. As a result, a better geometry of the cups is achieved in the engraving.
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