会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明授权
    • Methods for modifying finished machine component forgings for ultrasonic inspection coverage
    • 用于超声波检测覆盖件修改成品机械部件锻件的方法
    • US07757364B2
    • 2010-07-20
    • US11463432
    • 2006-08-09
    • Robert V. FalsettiFrancis Alexander ReedRobert Bergman
    • Robert V. FalsettiFrancis Alexander ReedRobert Bergman
    • B23Q17/00
    • G01N29/223G01N29/043G01N2291/02854Y10T29/49764Y10T29/49986
    • To achieve improved ultrasonic testing coverage of a finished machined component, the present invention applies a method for modifying a finished machine component forging for ultrasonic inspection. A forging envelope may be constructed in the shape of a right circular cylinder that surrounds a machine component forging. Then material may be added to the forging envelope in the direction of the forging equal to about 2 times a wavelength of an ultrasonic inspection device. Additional material may then be added to an inspection surface of the forging envelope equal to the dimension of a transducer dead zone, if the forging cannot be inspected ultrasonically from two opposing surfaces in the forged direction. Lastly, material may be added to the forging envelope in a direction perpendicular to the forging direction equal to a transducer footprint plus the break edge radius.
    • 为了实现成品加工部件的超声波检测覆盖率的提高,本发明应用了用于超声波检查的成品机械部件锻造的修改方法。 锻造包壳可以构造成围绕机器部件锻造的右圆形圆柱体的形状。 然后可以将材料沿锻造方向添加到等于超声波检查装置的波长的约2倍的锻造包层。 然后,如果不能从锻造方向上的两个相对表面超声波地检查锻造,则可以将附加材料添加到锻造外壳的检查表面等于换能器死区的尺寸。 最后,材料可以在与锻造方向垂直的方向等于换能器密封加上断裂边缘半径的方式加到锻造外壳上。
    • 7. 发明授权
    • Ultrasonic inspection method and system therefor
    • 超声波检测方法及其系统
    • US07017414B2
    • 2006-03-28
    • US10604559
    • 2003-07-30
    • Robert V. FalsettiCurtis Wayne Rose
    • Robert V. FalsettiCurtis Wayne Rose
    • G01N29/04
    • G01N29/221G01N29/11G01N29/262G01N29/30G01N29/4463G01N2291/044G01N2291/106G01N2291/2693G01N2291/2696
    • A method and system for ultrasonically inspecting turbine wheels and other disk-shaped articles having a central opening and multiple secondary openings radially spaced outward from the central opening. At least one ultrasonic transducer is placed in at least one of the secondary openings of the wheel. The transducer is configured and oriented to perform a pulse-echo diagnostic technique on the wheel by emitting ultrasonic signals that intersect radials of the wheel at angles of approximately ninety degrees to the radials. The ultrasonic signals intersect the radials at points so that a plurality of points are located on a plurality of radials. The points define a locus of points through the volume of the wheel between the central opening and the secondary opening, such that the volume is inspected for defects. The transducer receives ultrasonic signals that are reflected from one or more points when a defect is encountered.
    • 一种用于超声波检查涡轮机叶轮和其它具有中心开口的圆盘形制品的方法和系统,以及从中心开口向外径向间隔开的多个次级开口。 至少一个超声波换能器放置在车轮的至少一个次级开口中。 换能器被配置和定向以通过发射与轮辐的径向相交的径向的大约90度的超声波信号来在轮上执行脉冲回波诊断技术。 超声波信号在点处与径向相交,使得多个点位于多个径向上。 这些点定义通过中心开口和次级开口之间的轮体积的点的轨迹,使得检查体积以获得缺陷。 当遇到缺陷时,传感器接收从一个或多个点反射的超声波信号。
    • 8. 发明授权
    • Calibration and flaw detection method for ultrasonic inspection of
acoustically noisy materials
    • 超声波检测声学噪声材料的校准和探伤方法
    • US5445029A
    • 1995-08-29
    • US149208
    • 1993-11-08
    • Robert V. FalsettiElizabeth L. Dixon
    • Robert V. FalsettiElizabeth L. Dixon
    • G01N29/265G01N29/30G01N29/44G01N29/04
    • G01N29/4436G01N29/2487G01N29/265G01N29/30G01N2291/011G01N2291/015G01N2291/048G01N2291/056G01N2291/102G01N2291/2632
    • A method and apparatus for the ultrasonic inspection of acoustically "noisy" specimens, such as those having intrinsically coarse grain structure (e.g., turbine rotor parts made of superalloy compositions) employs several types of ultrasonic diagnostic measurement techniques, including at least: "Pitch-Catch" analysis and "Pulse-Echo Axial Long-Wave" analysis. When a Pitch-Catch technique is utilized, a "through-transmitted" sound wave is acquired for each specimen tested and used as a calibration standard to normalize ultrasonic inspection test data for that specimen prior to any automated defect/flaw detection and sizing processing. The through transmitted sound wave is also used to equate the amplitude of "indications" (i.e., significant detected ultrasonic reflections) to that of a standardized theoretical reflector of known size (e.g., an equivalent "flat bottom hole" or EFBH reflector) so that the test sensitivity or "size of indications" can be uniquely determined for each specimen on which the test is performed. When a Pulse-Echo technique is utilized, a through-transmitted sound wave is not used (since this technique employs only a single transducer) and inspection data is instead normalized by a "back wall" reflection signal. Once ultrasonic inspection test data is obtained and digitized, a "rolling average" of the data is used to estimate the localized noise level within the material under test. For every transducer pulse data point obtained, a unique signal-to-noise (S/N) ratio is computed. Variations in S/N ratio for the material are measured at each axial slice of material volume inspected. A function of the standard deviation of the S/N values is then used to automatically adjust a detection amplitude threshold to optimize the flaw detection process and minimize false alarms.
    • 用于超音速检测声学“噪声”样本的方法和装置,例如具有本质上粗粒结构的样品(例如,由超级合金组合物制成的涡轮转子部件),采用几种类型的超声波诊断测量技术,其至少包括: 捕捉“分析和”脉冲回波轴向长波“分析。 当采用间距捕捉技术时,对于所测试的每个样本,获取“透射”声波,并将其用作校准标准,以在任何自动缺陷/缺陷检测和尺寸调整处理之前规范该样本的超声检查测试数据。 通过透射的声波也用于将已知尺寸的标准化理论反射器(例如,相当的“平底孔”或EFBH反射器)的“指示”(即,显着检测到的超声波反射)的幅度等同于使得 对于执行测试的每个样本,可以唯一确定测试灵敏度或“指示大小”。 当使用脉冲回波技术时,不使用透射声波(因为该技术仅使用单个换能器),而是通过“后壁”反射信号对检查数据进行归一化。 一旦超声检查测试数据获得并数字化,则使用数据的“滚动平均值”来估计被测材料内的局部噪声水平。 对于获得的每个换能器脉冲数据点,计算独特的信噪比(S / N)比。 在材料的每个轴向切片上测量材料的S / N比的变化。 然后使用S / N值的标准偏差的函数来自动调整检测振幅阈值,以优化缺陷检测过程并使误报最小化。