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    • 3. 发明授权
    • Coordinate measuring apparatus and method for controlling the same
    • 坐标测量装置及其控制方法
    • US5966681A
    • 1999-10-12
    • US993990
    • 1997-12-18
    • Ralf BernhardtOtto RuckGunter Grupp
    • Ralf BernhardtOtto RuckGunter Grupp
    • G01B5/20G01B3/00G01B5/008G01B21/00G05B19/401G01B5/012G05B19/19
    • G01B3/008G01B5/008G05B19/401
    • The invention is directed to a method which is provided for controlling coordinate measuring apparatus wherein a probe head (2) is moved and has a movably attached probe unit (24) attached thereto. The probe unit (24) is charged with a measurement force Fmeas relative to the probe head (2). The measurement force Fmeas operates against the mass inertial forces Fzp which occur because of acceleration of the probe. The measurement force Fmeas is comprised of a desired measurement force Fdes and a corrective measurement force Fcorr. The desired measurement force Fdes is constant in magnitude and is directed perpendicularly to the surface of the workpiece (15) to be measured. The corrective measurement force Fcorr at least partially compensates for the mass inertial forces (Ftr, Fzp) which occur because of the acceleration of the probe unit (24).
    • 本发明涉及一种用于控制坐标测量装置的方法,其中探针头(2)移动并具有附接到其上的可移动连接的探针单元(24)。 探头单元(24)相对于探针头(2)充有测量力+ E,rar F + EE meas。 测量力+ E,rar F + EE meas抵抗由于探头的加速度而发生的质量惯性力+ E,rar F + EE zp。 测量力+ E,rar F + EE meas由期望的测量力+ E,rar F + EE des和校正测量力+ E,rar F + EE corr组成。 期望的测量力+ E,rar F + EE des在大小上是恒定的,并且垂直于待测量的工件(15)的表面。 校正测量力+ E,rar F + EE corr至少部分地补偿由于探头单元的加速度而发生的质量惯性力(+ E,rar F + EE tr,+ E,rar F + EE zp) (24)。
    • 6. 发明授权
    • Coordinate measuring apparatus wherein the measuring time is optimized
    • 坐标测量装置,其中测量时间被优化
    • US5764540A
    • 1998-06-09
    • US790592
    • 1997-01-29
    • Gunter GruppRalf BernhardtOtto RuckBerndt KammleiterWolfgang Wiedmann
    • Gunter GruppRalf BernhardtOtto RuckBerndt KammleiterWolfgang Wiedmann
    • G01B21/04G06F19/00
    • G01B21/045
    • A coordinate measuring apparatus for measuring a workpiece with a probe head having a probe element for contacting the workpiece. The coordinate measuring apparatus includes: a plurality of sensors with each sensor supplying a signal indicative of a coordinate measurement position and a processing unit. An interface device between the plurality of sensors and the processing unit receives the signals and supplies a plurality of output signals to the processing unit representing respective position measurement values at any given instant of time. The processing unit includes at least one smoothing function block for continuously receiving a portion of the position measurement values. The smoothing function block is adapted to determine a final position measurement value (X.sub.E, Y.sub.E, Z.sub.E or R.sub.E) of the contact point of the probe element on the workpiece in a defined standstill of the apparatus by averaging a defined number of the received position measurement values to form a mean value. The processing unit further includes a function block for triggering the averaging before the apparatus reaches standstill and continuing the averaging until standstill is determined.
    • 一种用于使用具有用于接触工件的探针元件的探针头来测量工件的坐标测量装置。 坐标测量装置包括:多个传感器,每个传感器提供指示坐标测量位置的信号和处理单元。 多个传感器和处理单元之间的接口装置接收信号并将多个输出信号提供给处理单元,该处理单元在任何给定的时刻表示相应的位置测量值。 处理单元包括用于连续接收位置测量值的一部分的至少一个平滑功能块。 平滑功能块适于通过平均定义数量的接收位置测量值来确定探测元件在工件上的接触点在设备的限定静止中的最终位置测量值(XE,YE,ZE或RE) 值以形成平均值。 处理单元还包括用于在设备达到停止之前触发平均的功能块,并且继续平均,直到确定静止。
    • 7. 发明授权
    • Coordinate measuring apparatus having a control which drives the probe
head of the apparatus in accordance with desired data
    • 坐标测量装置具有根据期望的数据驱动装置的探针头的控制
    • US5737244A
    • 1998-04-07
    • US693633
    • 1996-08-09
    • Otto Ruck
    • Otto Ruck
    • G05B19/401G05B19/19
    • G05B19/401
    • The control of a coordinate measuring apparatus includes a device for correcting the pregiven desired path when the actual geometry of the workpiece 17 to be measured deviates from the desired geometry. This device is a two-stage controller which includes a first control stage 27 which operates in response to a control signal proportional to the deflection of the moveable probe pin 7 and controls out deviations in the direction of the normal vector Ni on the workpiece surface. The second control stage 28 becomes active only when the deflection Ai of the probe pin 7 or the force F acting on the workpiece reaches or exceeds a predetermined amount. The second control stage 28 then controls out deviations in the direction of the probe deflection Ai.
    • 坐标测量装置的控制包括用于在要测量的工件17的实际几何形状偏离期望的几何形状时校正预定的期望路径的装置。 该装置是两级控制器,其包括第一控制级27,其响应于与可移动探针7的偏转成比例的控制信号而操作,并控制法向量+ E的方向的偏差,Rar N + EE i在工件表面。 第二控制级28只有当探针7的偏转量+ E,r A A + EE i或作用在工件上的力+ E,rar F + EE达到或超过预定量时才起作用。 然后,第二控制级28控制探针偏转方向+ E,rar A + EE i的偏差。
    • 8. 发明授权
    • Method and apparatus for determining spatial coordinates at a multiplicity of measurement points
    • 用于在多个测量点处确定空间坐标的方法和装置
    • US07752766B2
    • 2010-07-13
    • US12465705
    • 2009-05-14
    • Otto RuckEugen AubeleGuenter Grupp
    • Otto RuckEugen AubeleGuenter Grupp
    • G01B5/004
    • G01B21/045G01B5/008
    • In order to determine spatial coordinates of a multiplicity of measurement points along a contour of a measurement object, a probe head is provided with a probe element that is movably supported on the probe head. During movement of the probe head along the contour, position measuring values of the probe head and deflections of the probe element relative to the probe head are determined. Spatial coordinates for the measurement points along the contour are determined from the position measuring values and deflections. The probe element is kept in contact with the contour during movement of the probe head by using an actuator to produce a defined contact force. The contact force is set as a function of a differential acceleration of the probe element relative to the probe head.
    • 为了确定沿着测量对象的轮廓的多个测量点的空间坐标,探针头设置有可移动地支撑在探头上的探针元件。 在探针沿着轮廓移动期间,确定探针头的位置测量值和探针元件相对于探针头的偏转。 沿着轮廓的测量点的空间坐标由位置测量值和偏转确定。 探针元件通过使用致动器在探针头移动期间保持与轮廓接触以产生限定的接触力。 接触力被设定为探头元件相对于探头的差速加速度的函数。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR POSITION-ACCURATE TRIGGERING OF A MACHINE PART
    • 机器部件的位置准确触发的方法和装置
    • US20090184676A1
    • 2009-07-23
    • US12257422
    • 2008-10-24
    • Friedrich SchoergErnst StumppGuenter GruppOtto Ruck
    • Friedrich SchoergErnst StumppGuenter GruppOtto Ruck
    • G05B1/08
    • G05B19/23G05B2219/37175G05B2219/45165
    • A machine part, such as a laser, is moved along at least one axis of movement relative to a workpiece. Position pulses are generated by means of an incremental encoder, with the number of position pulses in a position pulse train being representative of the movement position of the machine part. A trigger signal for the machine part is generated when the current number of position pulses corresponds to a predefined number of pulses. In a preferred embodiment, the current number of position pulses and the defined number of pulses are compared remote from a higher-level drive control circuit. It is particularly preferred if the current number of position pulses and the defined number of pulses are compared in a comparator which is arranged on an interface card of a computer unit, with the drive control circuit for controlling the movement of the machine part being implemented with a closed loop controller in the form of a controller program, which is cyclically executed by a central processor of the computer unit.
    • 诸如激光器的机器部件沿着至少一个相对于工件的移动轴线移动。 位置脉冲通过增量编码器产生,位置脉冲串中的位置脉冲数代表机器部件的移动位置。 当当前位置脉冲数对应于预定数量的脉冲时,产生机器部分的触发信号。 在优选实施例中,将当前位置脉冲数和限定数量的脉冲与较高级驱动控制电路进行远程比较。 特别优选的是,在布置在计算机单元的接口卡上的比较器中比较当前位置脉冲数和限定脉冲数,驱动控制电路用于控制机器部件的运动, 控制器程序形式的闭环控制器,其由计算机单元的中央处理器循环执行。
    • 10. 发明授权
    • Method and apparatus for position-accurate triggering of a machine part
    • 用于位置精确触发机器部件的方法和装置
    • US08115440B2
    • 2012-02-14
    • US12257422
    • 2008-10-24
    • Friedrich SchoergErnst StumppGuenter GruppOtto Ruck
    • Friedrich SchoergErnst StumppGuenter GruppOtto Ruck
    • G05B1/06G05B19/29H02P1/00
    • G05B19/23G05B2219/37175G05B2219/45165
    • A machine part, such as a laser, is moved along at least one axis of movement relative to a workpiece. Position pulses are generated by means of an incremental encoder, with the number of position pulses in a position pulse train being representative of the movement position of the machine part. A trigger signal for the machine part is generated when the current number of position pulses corresponds to a predefined number of pulses. In a preferred embodiment, the current number of position pulses and the defined number of pulses are compared remote from a higher-level drive control circuit. It is particularly preferred if the current number of position pulses and the defined number of pulses are compared in a comparator which is arranged on an interface card of a computer unit, with the drive control circuit for controlling the movement of the machine part being implemented with a closed loop controller in the form of a controller program, which is cyclically executed by a central processor of the computer unit.
    • 诸如激光器的机器部件沿着至少一个相对于工件的移动轴线移动。 位置脉冲通过增量编码器产生,位置脉冲串中的位置脉冲数代表机器部件的移动位置。 当当前位置脉冲数对应于预定数量的脉冲时,产生机器部分的触发信号。 在优选实施例中,将当前位置脉冲数和限定数量的脉冲与较高级驱动控制电路进行远程比较。 特别优选的是,在布置在计算机单元的接口卡上的比较器中比较当前位置脉冲数和限定脉冲数,驱动控制电路用于控制机器部件的运动, 控制器程序形式的闭环控制器,其由计算机单元的中央处理器循环执行。