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    • 1. 发明公开
    • VIBRATION DAMPING SYSTEM FOR AN MACHINING HEAD OF A MACHINE TOOL AND CORRESPONDING OPERATING HEAD
    • 机床加工头的振动阻尼系统及相应的操作头
    • EP3312690A1
    • 2018-04-25
    • EP17197267.2
    • 2017-10-19
    • HSD S.p.A.
    • DRUDI, Gianluca PaoloGROSSO, Giuseppe
    • G05B19/404
    • G05B19/404G05B2219/41191G05B2219/49054
    • A vibration damping system for an operating head for a machine tool, the vibration damping system (1) comprising at least one accelerometer (2), which can be mounted in a fixed manner on the operating head (5) so as to generate at least one signal (SA) indicating first vibrations (VI) of the operating head (5), at least one piezoelectric actuator (3), which can be mounted in a fixed manner on the operating head (5) so as to generate second vibrations (V2) on the operating head (5), and processing and control means (4), which are configured to determine frequencies and amplitudes of said first vibrations (VI) relative to a three-dimensional reference system based on said signal (SA) and to control in real time said piezoelectric actuator (3) so that said second vibrations (V2) have, relative to said reference system, same frequencies and amplitudes as said first vibrations (VI) and phases that are opposite to those of said first vibrations (VI).
    • 1。一种用于机床的操作头的减振系统,所述减振系统(1)包括至少一个加速度计(2),所述加速度计(2)可以以固定方式安装在所述操作头(5)上,以至少产生 指示操作头(5)的第一振动(VI)的一个信号(SA);至少一个压电致动器(3),其能够以固定的方式安装在操作头(5)上以便产生第二振动 V2)以及处理和控制装置(4),所述处理和控制装置(4)被配置为基于所述信号(SA)相对于三维参考系统确定所述第一振动(VI)的频率和振幅,以及 以实时控制所述压电致动器(3),使得所述第二振动(V2)相对于所述参考系统具有与所述第一振动(VI)相同的频率和振幅以及与所述第一振动 VI)。