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| Measurements
1. Depth of scratch - maximum y distance from the projected parent surface found in the scan, shown as |
| "Min"
in data table. Surface projection is made by calculating a least-squares
curve fit using the left and right portions of the scan. This allows
the program to work on both flat and curved surfaces.
2. Width of scratch - distance between the two edges of the scratch. Edges of the scratch may be defined by the extent of change or decline in the profile below the projected surface. Industry Examples
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Sensors and Controllers Sensor selection will be dependent on the width of the scratch and the resolution required. The portable Series 1100 controller with a narrow field-of-view HS400 sensor is normally used for this application. The Series 3000 controller and RS400 sensor could also be used in on-line applications. |
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Madison, Alabama 35758 Phone 256-461-1313 Fax 256-461-1390 origintech.com |
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