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    • 51. 发明申请
    • CONTROLLER FOR MACHINE TOOL AND FIVE-AXIS SIMULTANEOUS CONTROL MACHINE TOOL CONTROLLED THEREBY
    • 机床和五轴同步控制机床控制器
    • US20110044778A1
    • 2011-02-24
    • US12853614
    • 2010-08-10
    • Yoshihiko YAMADAAtsushi Saito
    • Yoshihiko YAMADAAtsushi Saito
    • B23Q15/12
    • G05B19/416G05B2219/43021Y10T409/300896Y10T409/307672Y10T409/30812Y10T409/309576
    • It is an object of the present invention to provide a controller for a machine tool and a five axis simultaneous control machine tool controlled thereby which can improve the machining accuracy in machining by controlling a driving axis including a linear axis and a pivoting axis.The controller comprises a detecting member 102 detecting a machining position where a pivoting axis is reversed in machining by the machine tool 1 based on the control data, an allowable position error setting member 103 setting an allowable position error Δ between a commanded machining position P1 and an actual machining position P2, an allowable acceleration deciding member 107 deciding the allowable acceleration about the pivoting axis based on a distance L1, L2 from the machining position of the reversed axis to a center of the pivoting axis and based on the allowable position error Δ being set, and a controlling member 108 controlling a velocity about the driving axis based on the allowable acceleration.
    • 本发明的目的是提供一种用于机床的控制器和由此控制的五轴同时控制机床,其可以通过控制包括直线轴和枢轴的驱动轴来提高加工中的加工精度。 控制器包括检测部件102,其基于控制数据检测机床1的加工中的摆动轴反转的加工位置,允许位置误差设定部件103设定容许位置误差& Dgr; 在指定的加工位置P1和实际加工位置P2之间,容许加速度判定部件107基于从反转轴的加工位置到枢转轴的中心的距离L1,L2来决定绕枢轴的容许加速度, 基于容许位置误差&Dgr; 以及控制构件108,其基于允许的加速度来控制关于驱动轴的速度。
    • 54. 发明申请
    • SERIES RESONANT CONVERTER
    • 系列共振转换器
    • US20090290389A1
    • 2009-11-26
    • US12470192
    • 2009-05-21
    • Shingo UenoAtsushi SaitoKiyomi Watanabe
    • Shingo UenoAtsushi SaitoKiyomi Watanabe
    • H02M3/335
    • H02M3/337H02M2001/0058Y02B70/1433Y02B70/1491Y02P80/112
    • A series resonant converter of the present invention includes an inverter circuit having at least a pair of a first and second switching device connected between two input terminals, a transformer having a primary winding and a secondary winding connected to the inverter circuit, a first and second resonant capacitor connected to a secondary side of the transformer and connected in series to each other between two output terminals, a first and second unidirectional device connected in series to each other, and a resonant induction device that is operated along with the first and second resonant capacitor and resonates in series. The first and second unidirectional device are configured such that current does not flow from the first and second resonant capacitor to the input terminal by preventing electric charge of the first and second resonant capacitor from being discharged to a primary side of the transformer.
    • 本发明的串联谐振变换器包括:逆变器电路,具有连接在两个输入端子之间的至少一对第一和第二开关装置,具有初级绕组的变压器和与逆变器电路连接的次级绕组,第一和第二 谐振电容器连接到变压器的次级侧并且在两个输出端子之间彼此串联连接,彼此串联连接的第一和第二单向器件,以及与第一和第二谐振器一起操作的谐振感应器件 电容器并串联谐振。 第一和第二单向装置被配置为使得电流不会通过防止第一和第二谐振电容器的电荷被放电到变压器的初级侧而从第一和第二谐振电容器流到输入端子。