Numerical control method
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United States of America Patent
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Mar 19, 1985
Grant Date -
N/A
app pub date -
Jun 18, 1982
filing date -
Jun 20, 1981
priority date (Note) -
Expired
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Abstract
A numerical control method for controlling a numerical control device and prereading the numerical control data in a succeeding block during the execution of numerical control in accordance with the current block. A plurality of line segments, each specified by a block of numerical control data, approximate a curve. When the length of a line segment is less than a prescribed length (defined by required machining precision), control of movement of a member such as a tool based on the data specifying said line segment is skipped. This eliminates intermittent tool movement, improves machining precision, and prevents damage to the machine tool.
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