Invention Application
US20160144474A1 FEEDBACK CONTROL NUMERICAL MACHINE TOOL AND METHOD THEREOF 有权
反馈控制数控机床及其方法

FEEDBACK CONTROL NUMERICAL MACHINE TOOL AND METHOD THEREOF
Abstract:
A feedback control numerical machine tool and a method thereof are provided. The machine tool includes at least two spindles, an acoustic frequency detecting module, at least two spindle position detecting modules, and a control module. The spindles machine a workpiece. The acoustic frequency detecting module detects an acoustic frequency of the spindles when machining the workpiece. The spindle position detecting modules detects position information of the spindles when machining the workpiece. The control module acquires the acoustic frequency and the position information of the spindles, monitors whether any of the spindles chatters according to the acoustic frequency of the spindles, and performs chattering avoidance to the spindle that chatters according to the position information of the spindles. As such, the present disclosure performs chattering monitoring to a plurality of spindles and avoids the chattering immediately.
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