Abstract: Radiations detectors with angled walls and methods of fabrication are provided. One radiation detector module includes a plurality of sensor tiles configured to detect radiation. The plurality of sensor tiles have (i) top and bottom edges defining top and bottom surfaces of the plurality of sensor tiles, (ii) sidewall edges defining sides of the plurality of sensor tiles, and (iii) corners defined by the top and bottom edges and the sidewall edges. The radiation detector module also has at least one beveled surface having an oblique angle, wherein the beveled surface includes beveling of at least one of top or bottom edges, the side wall edges, or the corners.

Abstract: A machining system is provided and includes a machining tool comprising a spindle, one or more electrodes configured to perform the electromachining, and one or more tool holding elements configure to conductively hold the respective one or more electrodes and be assembled onto the spindle of the machining tool. The machining system further comprises one or more adapters and one or more power sources configured to electrically connect to the respective one or more adapters and the workpiece. The one or more adapters are configured to conductively contact the respective one or more tool holding elements. Further, the machining system comprises one or more machining solution sources provided to pass one or more machining solutions between the workpiece and the respective one or more electrodes. A tool adapter assembly is also presented.

Abstract: A measurement system comprising a light source unit, a projection unit and an optics unit is disclosed. The light source unit is configured to generate a plurality of modulated phase shifted light beams. The projection unit is configured to reflect the modulated phase shifted light beams onto an object surface. The optics unit is configured to capture the modulated phase shifted light beams from the object surface. The measurement system further comprises a photodetector and a processor. The photodetector is configured to receive the modulated phase shifted light beams from the optics unit to generate electrical signals. The processor is configured to retrieve position information of the object surface based on the electrical signals from the photodetector. A measurement method is also presented.

Abstract: A distance measurement system comprises an optical distance sensor configured to generate a light beam, a first optical module, and a processor. The first optical module is configured to receive the light beam, and generate and selectively transmit a plurality of light beams having different light channels for projection onto one or more points of an object to generate one or more reflected light beams scattered from the respective one or more points of the object, and capture and transmit the one or more reflected light beams into the optical distance sensor to retrieve a plurality of distance data to the respective one or more points of the object. The processor is configured to process the distance data to determine position information of the respective one or more points of the object. A distance measurement method is also presented.

Abstract: A method for extracting gash parameters of a cutting tool, comprises positioning the cutting tool on a moveable stage, scanning two or more gash sections of the cutting tool to generate two or more gash section scanning point clouds, indexing multiple points of the gash section scanning point clouds, detecting multiple gash features using the indexed gash section scanning point clouds, projecting multiple point clouds of the gash features of the indexed gash section scanning point clouds to form one or more projected gash feature point clouds, identifying one or more types of the one or more projected gash feature point clouds, segmenting the one or more projected gash feature point clouds based on the type identification, and extracting one or more gash parameters based on the segmentation of the one or more projected gash feature point clouds. A system for extracting the parameters is also presented.

Abstract: A method for extracting parameters of a cutting tool is provided. The method comprises positioning the cutting tool on a moveable stage, performing one or more rotary scans of a first section of the cutting tool to generate a scanning point cloud, indexing a plurality of points of the scanning point cloud, detecting one or more feature points based on the indexed scanning point cloud, and extracting one or more parameters based on the detected feature points. A system for extracting the parameters is also presented.

Abstract: A method of calibrating an inspection system is provided. The method includes contacting a test part with a run-out measurement device and rotating the test part and measuring a first run-out using the run-out measurement device. The method also includes moving the run-out measurement device to a new position and repeating the steps of contacting and rotating the test part to measure a second run-out at the new position. The method further includes using the first and second run-outs to adjust measurements of the inspection system.

Abstract: A method for measurement of a cutting tool is provided. The method comprises positioning the cutting tool on a moveable stage, performing a first rotary scan of a first section of the cutting tool to generate a first scanning point cloud, segmenting the first scanning point cloud, performing a second rotary scan of the first section based on the segmentation of the first scanning point cloud, and extracting the parameters of the first section based on the second rotary scan of the first section. A system for extracting parameters of a cutting tool is also presented.

Abstract: A method for extracting gash parameters of a cutting tool, comprises positioning the cutting tool on a moveable stage, scanning two or more gash sections of the cutting tool to generate two or more gash section scanning point clouds, indexing multiple points of the gash section scanning point clouds, detecting multiple gash features using the indexed gash section scanning point clouds, projecting multiple point clouds of the gash features of the indexed gash section scanning point clouds to form one or more projected gash feature point clouds, identifying one or more types of the one or more projected gash feature point clouds, segmenting the one or more projected gash feature point clouds based on the type identification, and extracting one or more gash parameters based on the segmentation of the one or more projected gash feature point clouds. A system for extracting the parameters is also presented.

Abstract: A method of measuring an object includes positioning the object on a moveable stage, performing a rotary scan of the object with a range sensor, and determining geometric parameters of the object based on the rotary scan.

Abstract: An electrochemical grinding electrode comprises an electrically conductive material; an arc resistance material; and an abrasive material different from the arc resistance material. An electrochemical grinding apparatus and a method are also presented.

Abstract: A method for extracting parameters of a cutting tool is provided. The method comprises positioning the cutting tool on a moveable stage, performing one or more rotary scans of a first section of the cutting tool to generate a scanning point cloud, indexing a plurality of points of the scanning point cloud, detecting one or more feature points based on the indexed scanning point cloud, and extracting one or more parameters based on the detected feature points. A system for extracting the parameters is also presented.

Abstract: A method for extracting parameters of a cutting tool is provided. The method includes obtaining a measurement data set having a point cloud corresponding to a surface of the cutting tool and virtually slicing the point cloud at a pre-determined section to obtain a set of points on the pre-determined section. The method also includes generating a plurality of curves through the set of points and optimizing the plurality of curves to generate optimized fitting curves and extracting the parameters of the cutting tool from the optimized fitting curves. Furthermore, based on the presented rotary angle projection technique, a plurality of parameters can be extracted for the cutting tool.

Abstract: A method of calibrating an inspection system is provided. The method includes contacting a test part with a run-out measurement device and rotating the test part and measuring a first run-out using the run-out measurement device. The method also includes moving the run-out measurement device to a new position and repeating the steps of contacting and rotating the test part to measure a second run-out at the new position. The method further includes using the first and second run-outs to adjust measurements of the inspection system.

Abstract: A method for measurement of a cutting tool is provided. The method comprises positioning the cutting tool on a moveable stage, performing a first rotary scan of a first section of the cutting tool to generate a first scanning point cloud, segmenting the first scanning point cloud, performing a second rotary scan of the first section based on the segmentation of the first scanning point cloud, and extracting the parameters of the first section based on the second rotary scan of the first section. A system for extracting parameters of a cutting tool is also presented.

Abstract: A method of measuring an object includes positioning the object on a moveable stage, performing a rotary scan of the object with a range sensor, and determining geometric parameters of the object based on the rotary scan.

Abstract: A method for determining an equilibrium configuration for an object to be subjected to peening includes representing a bulk geometry of the object as a solid body and representing a surface of the object as a surface layer overlying the solid body. The method further includes expanding the surface layer in response to a number of thermal loads to simulate peening and balancing a number of forces on the surface layer and the solid body to determine the equilibrium configuration of the object after peening.

Abstract: A method for determining an equilibrium configuration for an object to be subjected to peening includes representing a bulk geometry of the object as a solid body and representing a surface of the object as a surface layer overlying the solid body. The method further includes expanding the surface layer in response to a number of thermal loads to simulate peening and balancing a number of forces on the surface layer and the solid body to determine the equilibrium configuration of the object after peening.

Abstract: An apparatus for drilling cooling holes through a wall of a hollow component is disclosed. First, a laser drill is used for drilling at least one rough blind hole within a component wall, for example a turbine airfoil, so as to retain a residual bottom plate portion. Next, an electro discharge machine (EDM), for example a rotating EDM or plunge EDM, is used for finishing at least one rough blind hole so as to create at least one finished hole and breaking through the bottom plate portion.

Abstract: A drill according to an exemplary embodiment of the invention comprises a shank from which the drill is driven; a body connected to the shank, the body having a surface; a flute in the body; a cutting edge at a drill point; and a peripheral relief surface which extends outwardly from the surface of the body to an outer circumference of the drill, wherein the peripheral relief surface, for a cross section of the drill perpendicular to a drill axis, intersects the outer circumference at a peripheral point at an edge of the flute. The drill has an improved capacity to withstand a loss of coolant during drilling without severe overheating of the drill or workpiece and with little damage to the drill and workpiece.