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High Sensitivity Ultrasonic C Scan Technology


Processor connected to the outside of the sink installed in the scanned image of gray C recorder. Echo amplitude from the detector or signal transit time, treated later,[link widoczny dla zalogowanych], through the high voltage discharge pen drawing on paper in the lack of dance electro-sensitive cross-sectional images, the gray steps can be divided into four, eight and l28-class, in fact, 128 gray scale has been continuous. C scan images drawing, through the detector gate signal on the trigger, respectively painted |;} l 【linear grayscale and logarithmic (1ldB line hanging greyscale. Gate adjustment is critical, there is no gate trigger that is, no C scan images. Figure 2 is a gray industrial ceramic ring C scan images., Gray C scan images around 2 when testing cylindrical or cylindrical workpiece, but also install the drum recorder. It can be from a polar to rectangular coordinate conversion. 6.2 C scan image of the painting color drawing color c Pina is a scanned image of a computer system and special software to achieve. Because ultrasonic flaw detector must have a simulation of dry l: Trigger output from the description of ultrasonic vibration detector I increase or transit time of the analog signal with the probe from the flood scan slot position signal, together by the A / D converter and input to the computer. Depending on the scan mode and scan index The system generates a data array hesitating, the location coordinates of the probe is the address of each data point,[link widoczny dla zalogowanych], each address has a corresponding ultrasonic amplitude data, each point on the screen appears as a like request. during immersion c scan detection, data acquisition and evaluation is at the same time in each scan-line processing by computer. C scan images drawing and scanning probe movement is synchronized. When the index scan at pre-selected for the step, click on the computer screen will be in the index of pre-painted Pina line image, scanning the end of the drawing of the image also came to an end. C ∞ scanned images available to high-resolution color display 8 rate heavy atmosphere, which 8 colors can be specified as percentage of the amplitude of different height, can also be specified for different transit time. Each scan of the original data are stored in the computer and can be called at any time in the future, for example, the image display section for defect analysis , or for local details of the electronic zoom image processing. When the scan is finished, the color of each ... spoke on the scanned image of C, can be automatically displayed for each color and size as a percentage of cable counts, which can accurate calculation of defects in the area. When you need to cross-section images of defects were observed when the local details of ship, the largest electronic amplification system can be enlarged image 2O times. such as the application mirror image display techniques, the workpiece can be recorded in the front and two back c scanned image with amplitude display. In general, c scanned image of itself does not display defects in depth information. However, the workpiece rotational symmetry Lou,[link widoczny dla zalogowanych], the use of R-z scan, z-axis for the index, then scan in the c image, the horizontal axis to scan angle, the vertical axis position for the z-axis to display the depth of defect information. Figure 8 (original in color) is the industrial ceramic plate garden linear X-Y scanning raster scan color c image. image on the right upper part of the color break, can be set by the operator himself, that the amplitude of different colors represent the percentage of height. Kazuya lower surface 4 is the defect scan the slot from flooding the coordinates of the probe and the ultrasonic flaw detector on the value of the amplitude of the echo off the corresponding contributions, which do not need to repeat the scan to allow the case, with different threshold settings (different. the color break), repeat c draws a different color scanned image, or a high percentage of return that,[link widoczny dla zalogowanych], or use the d13 value indicates. This distinction between noise and signal analysis at different levels under the detection sensitivity threshold is about providing convenience. 7 application summary, the high sensitivity of ultrasound scanning detection device c is an advanced ultrasonic test and measurement systems. It is controlled by a computer,[link widoczny dla zalogowanych], display and record high-speed and accurate detection devices, with a high sensitivity, accuracy and reliability of it in the pan for Ju small part of the testing of small quantities of industrial production, as well as arbitration analysis and evaluation of test methods. usually with a flood of small and micro-slot scanner ultrasonic c high sensitivity detection system scans the scope of application are: (1) Electronic Contact welding industry and integrated circuit testing; (2) the structure of industrial ceramics and high defect detection; (3) powder samples seized in the tiny crack irrigation; (4) fine grain metal detection of small defects in samples ; (5) metals and ceramics, ceramic and porcelain bonded structure detection Farm; (6) electron beam welding, laser welding and vacuum diffusion bonding and other sophisticated small broken weld depression detection: (7) in the aviation and aerospace industry Section spall composite and carbon fiber reinforced plastic bonding sensitive detection of depression; ( other high-performance parts and materials testing. References (omitted)

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