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OPERATING HISTORY MANAGEMENT METHOD AND OPERATING HISTORY MANAGEMENT APPARATUS
OPERATING HISTORY MANAGEMENT METHOD AND OPERATING HISTORY MANAGEMENT APPARATUS
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机译:作业历史管理方法及作业历史管理装置
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摘要
At least a rotation speed of a rotary shaft and a vibration acceleration in a frequency domain are stored as an operating history, and the operating history is stored not only when the rotation speed of the rotary shaft varies, but also when a maximum value of the vibration acceleration in the frequency domain exceeds a predetermined threshold. Therefore, variation in the rotation speed of the rotary shaft and the chatter vibration occurrence state can be stored in association with each other. Hence, an operator can learn the rotation speed of the rotary shaft and the chatter vibration occurrence state in association with each other. As a result, chatter vibration can be suppressed easily and effectively.
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