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TOPAZ

– Technical Guidelines

To set the wedge definition mode:

In the

Tools

menu, select

Options

In the

Options

window, set the Wedge Definition Mode to

Legacy

Default

Figure 9-3 Options Window

Click

Accept

The

Wedge Definition Mode

is defined and will now on be used in the Wedge Editor.

Summary of Contents for TOPAZ

Page 1: ...www zetec com TOPAZ TM Technical Guidelines Release 3 7R21 TOPAZ is one of the most efficient and versatile non destructive testing NDT instrument Simply brilliant...

Page 2: ...1 PaintBrush Scanner Support 3 2 Auto Crossing Gates 6 3 Probe Position Marker 7 4 Interpolation for Volumetric Merge 9 5 Compound Scan 11 6 Path Correction for Pitch Catch Configuration 15 7 TCG Auto...

Page 3: ...through the touch interface To create an inspection configuration with your PaintBrush scanner 1 Start up your TOPAZ 2 Connect the encoder feedback cable of the PaintBrush scanner to your TOPAZ A win...

Page 4: ...ner to the rotation point of the wedge ii Define the Orientation Preset Orientation of the scanner according to the scan and index axes iii Define the Scan Preset Distance between the scanner referenc...

Page 5: ...d on your specimen Scan Reference Offset and Index Reference Offset are automatically defined from the values above These values are defined per the probe wedge assembly reference point green dot on t...

Page 6: ...these two modes the detection threshold changes according to the maximum amplitude of the signal within the gate Threshold is automatically adjusted at 6dB or 12dB from the live maximum signal amplit...

Page 7: ...your volumetric views Top Side and End Figure 3 1 Probe Cursor on VC Top C Display for a Focal Law at 60 The orientation and length of the Probe cursor in the displayed view is computed based on the...

Page 8: ...t Always To always display the Probe cursor in setup and acquisition mode OR Select Acquisition Only To display the Probe cursor only during data acquisition acquisition mode OR Select Hide To hide th...

Page 9: ...ills the empty spaces in merged views Those empty spaces are a typical result when performing volumetric merges of data acquired with azimuthal focal laws multiple refracted angles Figure 4 1 Volumetr...

Page 10: ...is menu go to Processing tab 2 Click Merge Custom The Merge Custom window appears Figure 4 3 Merge Custom Window 3 Click Use Interpolation to select Yes To use the interpolation during the volumetric...

Page 11: ...pound scanning Figure 5 1 Compound Scan Example As illustrated the desired refracted angles are distributed on the different apertures defined by the linear focal laws parameters and therefore defines...

Page 12: ...an increment on the linear sweep and on the angle sweep This means that the exit point moves and the refracted angle changes between each laws The angle range defined by Start Angle and Stop Angle is...

Page 13: ...des a sweep with density similar or better than traditional Azimuthal or linear sweep The total number of focal laws is two times higher when Sparse Motion of the aperture is defined by the Aperture F...

Page 14: ...ure Refracted Angle 1 1 to 16 40 00 2 2 to 17 50 00 3 3 to 18 60 00 4 4 to 19 70 00 When Beam Density is set to Dense the focal laws are defined as follows Focal Law Id Aperture Refracted Angle 1 1 to...

Page 15: ...for the A scan VC Side B and VC End D display This feature is available for linear focal laws in pitch catch configuration with a 0 LW inspection angle To display the True Depth PC ruler 1 Click on th...

Page 16: ...pears 2 In Parameters tab set a Reflector Type b Detection gate Threshold c Signal amplitude Target d Verification Tolerance for signal amplitude e Detection Blanking It defines the minimum distance b...

Page 17: ...a complete mapping of the examined surface The C Scan Stitching feature allows you to adjust the position of the data on the surface and correct angular misalignment that might have occurred during t...

Page 18: ...t original files being divided in different channels in the new file The next step is to perform the stitching process 2 In the File menu click Open Data 3 In the Open Data window browse to find the D...

Page 19: ...include in the stitching 7 For the selected data define the Data type Amplitude or Position 8 In Gates select the detection gate of the C scan data you wish to stitch 9 In Method define if you want to...

Page 20: ...a along the scan axis or index axis Flip Scan and Flip Index b Change the start location of the selected c scan along the scan and index axes by modify the Scan and Index parameters To modify the loca...

Page 21: ...all c scan channels to be stitched 13 Click Merge 14 The New stitching name window appears enter a name for the new channel with the stitched data 15 Click Accept Your C scan data is now merged Figure...

Page 22: ...ally this mode was the one used in previous software release Figure 9 1 Legacy Wedge Definition Example Height of First Element Default This new mode allows you to define the height of the first eleme...

Page 23: ...definition mode 1 In the Tools menu select Options 2 In the Options window set the Wedge Definition Mode to Legacy or Default Figure 9 3 Options Window 3 Click Accept The Wedge Definition Mode is defi...

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