公开(公告)号：US20080047122A1

公开(公告)日：2008-02-28

申请号：US11463432

申请日：2006-08-09

申请人： Robert V. Falsetti ,  Francis Alexander Reed ,  Robert Bergman

发明人： Robert V. Falsetti ,  Francis Alexander Reed ,  Robert Bergman

IPC分类号： B23Q17/00 ,  G06F17/00

CPC分类号： G01N29/223 ,  G01N29/043 ,  G01N2291/02854 ,  Y10T29/49764 ,  Y10T29/49986

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07065872B2

公开(公告)日：2006-06-27

申请号：US10707302

申请日：2003-12-04

申请人： Swami Ganesh ,  Robin Carl Schwant ,  Ling Yang ,  John Zhiqiang Wang ,  Francis Alexander Reed ,  Robert V. Falsetti

发明人： Swami Ganesh ,  Robin Carl Schwant ,  Ling Yang ,  John Zhiqiang Wang ,  Francis Alexander Reed ,  Robert V. Falsetti

IPC分类号： B23P6/00

CPC分类号： B21K1/10 ,  B23P15/006 ,  G01N9/24 ,  G01N29/0618 ,  G01N29/11 ,  G01N29/265 ,  G01N2291/02854 ,  G01N2291/044 ,  G01N2291/2693 ,  Y10T29/4932 ,  Y10T29/49337 ,  Y10T29/49771 ,  Y10T29/49989

摘要： A method of processing a rotor. The rotor is formed by casting an ingot to have first and second regions formed of different alloys that intermix during casting to define a transition zone therebetween. The ingot is forged to yield a rotor forging that contains axially-aligned first and second alloy regions and a transition zone therebetween. A three-dimensional approximation of the transition zone is generated, which can be used to predict the effects of the transition zone on the dynamic performance of a rotor machined from the forging.

摘要翻译： 一种处理转子的方法。 转子通过铸造锭形成以具有由不同合金形成的第一和第二区域，其在铸造期间混合以在其间限定过渡区域。 锻造铸锭以产生包含轴向对齐的第一和第二合金区域以及它们之间的过渡区域的转子锻造。 产生过渡区域的三维近似，可用于预测过渡区域对从锻造加工的转子的动态性能的影响。

公开(公告)号：US07546685B2

公开(公告)日：2009-06-16

申请号：US11070467

申请日：2005-03-01

申请人： Swami Ganesh ,  Robin Carl Schwant ,  Ling Yang ,  John Zhiqiang Wang ,  Francis Alexander Reed ,  Robert V. Falsetti

发明人： Swami Ganesh ,  Robin Carl Schwant ,  Ling Yang ,  John Zhiqiang Wang ,  Francis Alexander Reed ,  Robert V. Falsetti

IPC分类号： B23P15/02

CPC分类号： G01N29/0618 ,  B21K1/10 ,  B23P15/006 ,  F01D5/02 ,  F01D5/28 ,  G01N9/24 ,  G01N29/11 ,  G01N29/265 ,  G01N2291/02854 ,  G01N2291/044 ,  G01N2291/2693 ,  Y10T29/49316 ,  Y10T29/4932 ,  Y10T29/49336 ,  Y10T29/49337

摘要： A process for producing a rotor, the rotor formed thereby, as well as turbines in which such a rotor is installed. The rotor is formed by casting an ingot to have first and second regions formed of different alloys that intermix during casting to define a transition zone therebetween. The ingot is forged to yield a rotor forging that contains axially-aligned first and second alloy regions and a transition zone therebetween. The effects of the transition zone can be mitigated by modeling the transition zone and then off-center machining the forging so that the axis of rotation of the machined monolithic rotor is more centrally located with respect to the transition zone.

摘要翻译： 用于制造转子的方法，由其形成的转子以及其中安装有这样的转子的涡轮机。 转子通过铸造锭形成以具有由不同合金形成的第一和第二区域，其在铸造期间混合以在其间限定过渡区域。 锻造铸锭以产生包含轴向对齐的第一和第二合金区域以及它们之间的过渡区域的转子锻造。 通过对过渡区域进行建模，然后对锻造进行偏心加工，可以减轻过渡区域的影响，使得加工的整体式转子的旋转轴线相对于过渡区域更位于中心。

公开(公告)号：US06807860B1

公开(公告)日：2004-10-26

申请号：US10463441

申请日：2003-06-18

申请人： Francis Alexander Reed ,  Robert V. Falsetti

发明人： Francis Alexander Reed ,  Robert V. Falsetti

IPC分类号： G01N924

CPC分类号： B21K1/10 ,  B23P15/006 ,  G01N9/24 ,  G01N29/0618 ,  G01N29/11 ,  G01N29/265 ,  G01N2291/02854 ,  G01N2291/044 ,  G01N2291/2693

摘要： A method to determine a depth of an internal feature in a forging using an ultrasonic transducer including: collecting data on echoes reflected by the internal feature of ultrasonic signals transmitted into the forging; correcting the collected data to compensate for attenuation of the echoes and signals in the forging, and determining a depth of the internal feature in the forging.

摘要翻译： 一种使用超声波换能器确定锻造内部特征的深度的方法，包括：收集由传输到锻造中的超声波信号的内部特征所反映的回波上的数据; 校正收集的数据以补偿锻造中的回波和信号的衰减，以及确定锻造中的内部特征的深度。

公开(公告)号：US5618994A

公开(公告)日：1997-04-08

申请号：US421929

申请日：1995-04-14

申请人： Robert V. Falsetti

发明人： Robert V. Falsetti

IPC分类号： G01N29/265 ,  G01N29/30 ,  G01N29/44 ,  G01N29/08

CPC分类号： G01N29/4436 ,  G01N29/2487 ,  G01N29/265 ,  G01N29/30 ,  G01N2291/011 ,  G01N2291/015 ,  G01N2291/048 ,  G01N2291/056 ,  G01N2291/102 ,  G01N2291/2632

摘要： A method for the ultrasonic inspection of acoustically "noisy" specimens, such as those having intrinsically coarse or variable grain structure (e.g., turbine rotor parts made of superalloy compositions), employs a "Pitch-Catch" analysis wherein a "through-transmitted" sound wave is first acquired for a plurality of reference locations on the specimen and used as a calibration standard to normalize ultrasonic inspection test data for that specimen prior to flaw/defect detection and processing. The through transmitted sound wave is also used for accurately equating 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.

摘要翻译： 用于声学“噪声”样本的超声波检测方法，例如具有本质上粗糙或可变晶粒结构的样品（例如，由超级合金组合物制成的涡轮转子部件）的方法采用“间距捕获”分析法，其中“通过” 首先对样本上的多个参考位置采集声波，并将其用作校准标准，以在缺陷/缺陷检测和处理之前规范该样本的超声检查测试数据。 通过透射的声波还用于将“指示”（即，显着的检测到的超声反射）的幅度与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）的幅度精确地相等 可以对执行测试的每个样品唯一确定测试灵敏度或“指示大小”。

公开(公告)号：US07757364B2

公开(公告)日：2010-07-20

申请号：US11463432

申请日：2006-08-09

申请人： Robert V. Falsetti ,  Francis Alexander Reed ,  Robert Bergman

发明人： Robert V. Falsetti ,  Francis Alexander Reed ,  Robert Bergman

IPC分类号： B23Q17/00

CPC分类号： G01N29/223 ,  G01N29/043 ,  G01N2291/02854 ,  Y10T29/49764 ,  Y10T29/49986

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07017414B2

公开(公告)日：2006-03-28

申请号：US10604559

申请日：2003-07-30

申请人： Robert V. Falsetti ,  Curtis Wayne Rose

发明人： Robert V. Falsetti ,  Curtis Wayne Rose

IPC分类号： G01N29/04

CPC分类号： G01N29/221 ,  G01N29/11 ,  G01N29/262 ,  G01N29/30 ,  G01N29/4463 ,  G01N2291/044 ,  G01N2291/106 ,  G01N2291/2693 ,  G01N2291/2696

摘要： 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.

摘要翻译： 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。

公开(公告)号：US5445029A

公开(公告)日：1995-08-29

申请号：US149208

申请日：1993-11-08

申请人： Robert V. Falsetti ,  Elizabeth L. Dixon

发明人： Robert V. Falsetti ,  Elizabeth L. Dixon

IPC分类号： G01N29/265 ,  G01N29/30 ,  G01N29/44 ,  G01N29/04

CPC分类号： G01N29/4436 ,  G01N29/2487 ,  G01N29/265 ,  G01N29/30 ,  G01N2291/011 ,  G01N2291/015 ,  G01N2291/048 ,  G01N2291/056 ,  G01N2291/102 ,  G01N2291/2632

摘要： 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.

摘要翻译： 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。