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PROPELLER BLADE PROFILING USING LASER SENSORS

A major North American propeller manufacturer and service company selected a long-range triangulation sensor to measure the profile of its propellers and controllable tip blades during the manufacturing process.  Non-contact measuring, like that afforded by laser sensors, is desirable in propeller manufacturing because the fixed measuring device can be installed with a large standoff away from bulky and/or moving parts.

In this case, the customer chose a laser sensor that had the best resolution while allowing them to measure the greatest pitch of the largest propellers and blades (difference in height between the leading and trailing edge).  The typical surface finish of the propellers was a shiny, ground appearance, and was no problem for the Acuity AR700 sensorwith its highly-sensitive, digital CMOS detector array technology.

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