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    • 61. 发明公开
    • Servo motor stop controlling method and servo motor controller
    • Servomotorsbremssteuerungsverfahren undServomotorssteuergerät
    • EP1775829A2
    • 2007-04-18
    • EP06020768.5
    • 2006-10-02
    • FANUC LTD
    • Hashimoto, YoshikiTanabe, Yoshikiyo Room 101Hamada, Toshihiko Fanuc Dai3virakaramatsu
    • H02P3/04
    • H02P3/04H02P3/16H02P3/26
    • A servo motor controller is provided with a motor control section for controlling a servo motor provided with a brake. The motor control section includes a speed command portion for outputting a speed command to increase or reduce the rotation of the servo motor, and a brake switching portion for outputting switch command for a braking circuit to switch the brake, wherein the brake is activated during speed reduction of the servo motor by the speed command portion, whereby a rotation of the servo motor is stopped. The motor control section further includes a monitoring portion for monitoring whether or not the decelerating torque of the servo motor during speed reduction exceeds a set value that has been set equal to or lower than a maximum allowable torque of the servo motor in the motor control section.
    • 伺服电动机控制器设置有用于控制配备有制动器的伺服电动机的电动机控制部。 电动机控制部分包括用于输出用于增加或减少伺服电动机的旋转的速度指令的速度指令部分,以及用于输出用于制动电路切换制动器的开关命令的制动切换部分,其中制动器在速度 通过速度指令部减少伺服电动机,停止伺服电动机的转动。 电动机控制部还包括监视部,其用于监视减速期间伺服电动机的减速转矩是否超过设定为等于或低于电动机控制部中的伺服电动机的最大容许转矩的设定值 。
    • 64. 发明专利
    • Power tool
    • 电动工具
    • JP2011079075A
    • 2011-04-21
    • JP2009231317
    • 2009-10-05
    • Makita Corp株式会社マキタ
    • TOMITA AKIFUMIHIRATA YUSUKEKAMIYA SHINGO
    • B25F5/00
    • B27G19/003B27B17/00B27B17/083H02P3/12H02P3/16H02P3/22H02P3/26Y10T83/707Y10T83/7076
    • PROBLEM TO BE SOLVED: To provide a technique which can brake a power tool without enlarging the tool. SOLUTION: The power tool includes a body for accommodating a motor for driving the tool, a power supply circuit of the motor for supplying an electric power to the motor, a movable member supported by the body so as to be freely oscillated, a detector for detecting an operation of the movable member, a first switch provided in the power supply circuit of the motor and a control circuit for opening the first switch in accordance with a detecting signal outputted by the detector. In the power tool, an entire length of the power supply circuit of the motor is designed to be short, so that an amount of radiation of electric noise can be suppressed. Since many noise countermeasures are not necessary, the power tool can be designed to be compact. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够在不扩大工具的情况下制动动力工具的技术。 解决方案:电动工具包括用于容纳用于驱动工具的电动机的主体,用于向电动机供电的电动机的电源电路,由主体支撑以便自由摆动的可动部件, 用于检测可动件的操作的检测器,设置在电动机的电源电路中的第一开关和用于根据检测器输出的检测信号打开第一开关的控制电路。 在电动工具中,电动机的电源电路的整个长度被设计为短,从而可以抑制电噪声的辐射量。 由于不需要许多噪声对策,电动工具可以设计成紧凑。 版权所有(C)2011,JPO&INPIT