Design of Notch Filter Applied in Miniaturized NC Micro-milling Machine Tool
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The mechanical resonance of the micro-milling machine tool directly influences machining precision of workpieces. This article introduced the design of notch filter applied in micro-milling servo control. Based on a novel miniaturized three-axis NC micro-milling machine tool, the notch filter was designed and used successfully. The servo test and micro-milling experiment results indicated that the use of notch filter can reduce the influence of mechanical resonance on the machining precision effectively.
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