Difference between revisions of "Measure Large Diameter Tubing"
From ATTWiki
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VTube is immune to diameter sizes if you follow the wide-scan technique to measure larger diameters. If a diameter surface stripe does not cover enough angular distance, then the math engine loses accuracy in calculating the centerline of a straight.<br><br> | VTube is immune to diameter sizes if you follow the wide-scan technique to measure larger diameters. If a diameter surface stripe does not cover enough angular distance, then the math engine loses accuracy in calculating the centerline of a straight.<br><br> | ||
| − | On larger diameters (8 inches or greater), it is important to scan in points from a wider area of the tube | + | On larger diameters (8 inches or greater), it is important to scan in points from a wider area of the tube.<br><br> |
[[image:vtube_widescan_illustration_largetube.jpg|500px]] | [[image:vtube_widescan_illustration_largetube.jpg|500px]] | ||
* First - scan one end in the normal way.<br><br> | * First - scan one end in the normal way.<br><br> | ||
* Second - move to the other end, and rotate the probe around the tube slightly. We recommend about 90 degrees of rotation. Then scan the new end and new side of the cylinder.<br><br> | * Second - move to the other end, and rotate the probe around the tube slightly. We recommend about 90 degrees of rotation. Then scan the new end and new side of the cylinder.<br><br> | ||
| + | <br><br> | ||
| + | Using this method, it is possible to scan any size tube or pipe. | ||
</td> | </td> | ||
Revision as of 22:20, 11 July 2012
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Instruction for Large Diameter Measures
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VTube is immune to diameter sizes if you follow the wide-scan technique to measure larger diameters. If a diameter surface stripe does not cover enough angular distance, then the math engine loses accuracy in calculating the centerline of a straight.
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