Turning – Process of turning
Patent
1976-03-08
1978-03-07
Vlachos, Leonidas
Turning
Process of turning
82 14B, 82 19, B23B 100, B23B 328
Patent
active
040772853
ABSTRACT:
A method of and apparatus for machining a pre-selected contour in a surface of a workpiece, such as an end face of the workpiece. The workpiece is rotated on a lathe about its longitudinal axis and a cutting tool, mounted on a movable cross slide of the lathe, is positioned parallel to the longitudinal axis of the workpiece for cutting a contour into the workpiece end face. A probe, also mounted on the cross slide, is positioned perpendicular to the longitudinal axis of a pattern for continual contact with the outer surface of the pattern, which is being rotated about its longitudinal axis. Upon rotation of the pattern and workpiece and movement of the cross slide, the probe moves towards and away from the longitudinal axis of the pattern in accordance with a change in the distance from the point of probe contact with the pattern outer surface to the longitudinal axis of the pattern. A command potentiometer detects the distance and direction of probe movement and an electrohydraulic servo system moves the cutting tool in response to direction from the potentiometer a proportional distance towards and away from the end face of the workpiece, whereby the cutting tool cuts a contour in the workpiece end face.
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National Forge Company
Schapira Ronald A.
Vlachos Leonidas
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