Turning – Pattern section
Patent
1992-10-15
1993-10-26
Terrell, William E.
Turning
Pattern section
82131, B23B 100, B23B 544
Patent
active
052555801
ABSTRACT:
A method for turning a concave cut in a workpiece on a screw machine includes the steps of supporting the workpiece for rotation generally about its longitudinal axis and rotating the workpiece generally about an axis corresponding to its longitudinal axis in a first direction. A rotary cutter is turned about an axis parallel to the axis of rotation of the workpiece in a second direction opposite to the first. A tooth on the cutter engages the workpiece for forming a generally concave cut in the workpiece. Apparatus for turning a concave cut in workpiece on a lathe is also disclosed.
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Piranha 46 by A. Seuret (date unknown).
Positronic Industries, Inc.
Terrell William E.
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