Method for simultaneously cutting a multiplicity of slices of particularly uniform thickness from a workpiece
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United States of America Patent
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Feb 21, 2017
Grant Date -
Nov 5, 2015
app pub date -
Apr 21, 2015
filing date -
Apr 30, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A method for simultaneously cutting a multiplicity of slices from a cylindrical workpiece, along strictly convex cutting faces, by supplying a suspension of hard substances in a carrier liquid, as cutting medium, to wire portions, while the wire portions, having a longitudinal tension, define a relative motion to the workpiece as a result of wire guide roller rotation with continual alternation between a first direction of rotation and a second direction of rotation, which is opposite to the first direction of rotation, wherein, during the rotation in the first direction, the wire is moved a first length, and during the rotation in the second direction, the wire is moved a second length, and the second length is shorter than the first, and at the cutting operation start a first longitudinal wire tension is greater than a second longitudinal tension at the end.
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