NC machining apparatus
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United States of America Patent
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Jan 16, 1990
Grant Date -
N/A
app pub date -
Jan 3, 1989
filing date -
Jan 20, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A machining apparatus for making the scroll parts comprising a headstock including a spindle for supporting a workpiece for rotation, a tool holder for supporting a machining tool, a first carriage supported for movement in a direction perpendicular to the spindle (an X-axis), a second carriage supported for movement in a direction parallel to the spindle, and a control device for controlling the movement of the first carriage and the rotation of the spindle according. The control device is so programmed as to calculate the distance between the center of the base circle generating a desired involute curve depicted by the scroll parts and the center of the machining tool and also to calculate the angle of rotation C of the spindle relative to the distance.
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