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ADAPTIVE NUMERICALLY CONTROLLED MACHINE TOOL RESPONSIVE TO DEFLECTION FORCES ON THE TOOL NORMAL TO THE CUTTING PATH
ADAPTIVE NUMERICALLY CONTROLLED MACHINE TOOL RESPONSIVE TO DEFLECTION FORCES ON THE TOOL NORMAL TO THE CUTTING PATH
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机译:适应于切削路径的刀具上挠曲力的自适应数控机床
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摘要
A data processing system supplies numerical control data to a controller for a machine tool connected in a system for adaptively controlling the machine tool feedrate in response to data measured by sensors connected to the machine tool. The deflection forces on a tool operating upon a workpiece are measured and the data processing system program determines the tool deflection force transverse to the path of the tool relative to the workpiece. The program computes the change in deflection required to meet a dimensional tolerance based upon data previously obtained relative to tool deflection characteristics of the tool. Then the program calculates a new control value to change the feed rate to a value intended to provide the desired degree of deflection. The data processing system then supplies the control value to apparatus to modify the feed rate and bite size, accordingly.
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