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发明公开
CN102407490A 振动抑制装置 失效 - 权利终止

振动抑制装置
摘要：
本发明提供一种振动抑制装置，能够从加工开始时起不产生一次颤振而结束加工。该振动抑制装置具有存储单元，用于将由运算单元计算出的稳定旋转速度、与包含该稳定旋转速度的旋转速度范围对应存储，在使旋转轴旋转而开始加工时，在输入作为旋转轴的旋转速度的指令旋转速度后(S1)，运算单元判断指令旋转速度是否包含在旋转速度范围中(S2、S11)，当包含在旋转速度范围中的情况下读出稳定旋转速度，用该稳定旋转速度取代指令旋转速度而输出给NC装置(S3)，以稳定旋转速度开始加工(S4)。
摘要（英）：

A vibration suppressing device includes a memory unit storing a stable rotation speed calculated by an arithmetical unit in association with a rotation speed range that includes the stable rotation speed, in which, when a command rotation speed (S1) that is a rotation speed of a rotary shaft is inputted in starting machining operation by rotation of the rotary shaft and, the arithmetical unit determines whether the command rotation speed is included in the rotation speed range (S2, S11) or not, reads out the stable rotation speed when the command rotation speed is included in the rotation speed range and outputs the stable rotation speed to an NC device (S3) instead of the command rotation speed, and starts the machining operation (S4) at the stable rotation speed.

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