OmniScan SX Getting StartedAnalysis Chris Magruder V4.1B2T9 More detailed explanations and data samples can be found in the complete analysis sections of the OmniScan SX\MX2 training program. ID connected HAZ crack in 12mm carbon steel . The presentation can be followed using OmniPC on a computer or OmniScan SX using touch screen or mouse. The file referenced in this section can be found on the default OmniScan SX flashcard: TF_12_ID Crack.OmniScan SX Getting Started – Weld Inspection Analysis – Overview The presentation is an abbreviated version of the OmniScan SX\MX2 training program designed to provide an overview of common features typically used in phased array corrosion mapping and weld inspection analysis. Opd data file by a touch and hold or mouse right click on the file name in the header and select open. Change >File Type: Data. . browse to TF_12_ID Crack.Opd Open the TF_12_ID Crack.Opd using the scroll knob and select open.OmniScan SX Getting Started – Analysis – Open File TF_12_ID Crack. .OmniScan SX Getting Started – Analysis – Select Layout The file will open with the display in the normal screen mode as opposed to full screen. The next series of slide is to provide a brief overview of the inspection and to point out where the information resides in the software prior to analysis. Select the A-C-S layout from the title bar if it is not already displayed. (Green ruler on S-scan) 3. >Probe\Wedge = 5L64-A2 probe and SA2N55S dual 5L64 wedge. Skew 90 probe Skew 270 probe -10mm Weld centerline 1 2 SA2N55S wedge 3 . >Part = 12.OmniScan SX Getting Started – Analysis – View Probe Details Navigate to the >Probe\Wedge menu and view the following sub menus for parameters used in the inspection: 1.7mm V weld. >Probe position = Skew 90 at -10mm on the index axis. auto detect off. 2. 0mm Scan axis 100mm -10mm Probe movement .OmniScan SX Getting Started – Analysis – One Line Scan The inspection technique is a one line scan parallel to the weld from a fixed position represented by the blue ruler on the C-scan and B-scan. The fixed position of the probe is called the index offset and defines the distance from the wedge face to the weld centerline represented by a green ruler. 1 2 3 0mm 100mm . >Encoder = Quad encoder in normal polarity with 16 step\mm resolution. Length sizing accuracy = +\. and origin 0mm. 3. >Area = 0-100mm defines the length of the one line scan on the C-scan and B-scan (Blue ruler). 2. >Inspection = One line scan on encoder #1 at max scan speed of 50mm\sec.OmniScan SX Getting Started – Analysis – Scan Details Navigate to the >Scan menu and view the following sub menus for parameters used in the inspection: 1.2mm. All A-scans acquired at 1mm intervals. >Beam = 45-70 degree S-scan at .5……. 46.5. 2.5 degree resolution. (45. >Configuration = S-scan using probe associated to pulser and receiver element #1 of 64.70) 1 2 70 degrees 3 45 degrees .OmniScan SX Getting Started – Analysis – Focal Law Details Navigate to the >Focal law menu and view the following sub menus for parameters used in the inspection: 1. 46. 45. >Aperture = 16 element aperture using elements #48-63 of a 64 total element probe 3. FW rectified. pulse width 100 ns. 80 volts selected. 640 pt. wedge delay 31. >Receiver = 5Mhz filter.29mm (Index offset + beam offset inside wedge). >General = The range on the 55 degree A-scan is 2-15mm. gain offset +4. >55 degree beam = exit point -18. PRF 50 Hz. 3. >Advanced = Reference on +10 dB scan sensitivity.8 dB. (Parameters change with each A-scan) 5. (3240) >Pulser = 5Mhz probe. 1 2 3 4 5 . Velocity is shear wave.OmniScan SX Getting Started – Analysis – UT Settings Navigate to the >UT menu and view the following sub menus for parameters used in the inspection: 1. 4.34us. 2. video filter on. A-scan. Select the scan position on the title bar and move the data cursor in the C-scan to 0mm with the scroll knob or mouse wheel. Not a defect. Zoom from approx. An ID connected HAZ crack is detected between 31-62mm on the scan axis. 20-70mm on the Cscan. Every 1mm represents a new S-scan where all A-scans were recorded. Using the scroll knob slowly move the data cursor through the entire C-scan from 090mm while observing the S-scan and A-scan.OmniScan SX Getting Started – Analysis – Full Screen Data Cursors Select full screen from the layout menu in the title bar. The indication seen at 0mm in the root of the S-scan weld overlay is a geometric indication typical of the entire weld. Data cursor 31-62mm ID HAZ crack . This reproduces the probe movement. Visualized in the S-scan and A-scan is the deepest tip diffracted signal from the crack. The amplitude is 59.5 degrees) Diffracted signal from deepest crack tip.5 degrees. (DA reading) ……………………………………………………………………………………………………… Move the scan axis data cursor to 50mm and the angle data cursor to 58.5 degrees.10mm. Crack corner trap at pipe ID.OmniScan SX Getting Started – Analysis – Flaw Characterization Using the title bar. (59 degrees) . (51. move the scan axis data cursor to 41mm and the angle data cursor to 51.1% (A% reading) and the depth is 12. Visualized in the S-scan and A-scan is the corner of the crack at the pipe ID. 3. 8.OmniScan SX Getting Started – Analysis – Flaw Analysis Analysis of UT or phased array data is: 1. 5. 7. 4. Flaw amplitude: Flaw volumetric position: Flaw start position on scan axis: Flaw end position on scan axis: Flaw length: Flaw depth: Flaw height: Flaw characterization: Embedded\Outside surface connected: . 2. 9. 6. Flaw amplitude: 59. (Sr cursor) Flaw end position on scan axis: 62mm. (A% reading) Flaw volumetric position: -4.9mm through wall dimension. 6.1% measured at 41mm scan.5 degrees.15mm measured at 50mm. 51.5 degrees. 2. (DA reading) Flaw height: 4. 4.80mm from OD measured at 50mm scan. 5.5 degrees. 58. . 7. Embedded\Outside surface connected: ID connected. 9. (VIA reading) Flaw start position on scan axis: 31mm. 58. (Um-r reading) Flaw characterization: ID connected HAZ crack. (Sm cursor) Flaw length: 31mm (Sm-r reading) Flaw depth: 7. 8.Opd analysis: 1.OmniScan SX Getting Started – Analysis – Flaw Analysis cont. 3. TF_12_ID Crack. porosity. All of the flaw parameters from the previous slide are directly available from the readings list except the flaw characterization type.) The flaw characterization decision is based on many factors including experience and familiarity with the inspection and can be subjective. (Crack. etc. 2 1 . See flaw characterization section of complete OmniScan SX\MX2 training program. slag.OmniScan SX Getting Started – Analysis – Flaw Analysis cont. For more details and examples see the analysis section of the complete OmniScan SX\MX2 training program.OmniScan SX Getting Started – Analysis – Flaw Analysis cont. . Continue using this same methodology for another sample data file from the flash card. Review the parameters of the data file to understand how the inspection was performed and complete the same analysis steps as this presentation. lnk V4.com Free Download Manager.1B2T9 .Questions or comments: PhasedArraySupport@Olympusndt.