Method and apparatus for obtaining and analyzing an image of a e

Details Method and apparatus for obtaining and analyzing an image of a e Method and apparatus for obtaining and analyzing an image of a e

1994-06-30

1996-05-14

Gonzalez, Frank

Optics: measuring and testing

By polarized light examination

With light attenuation

356376, 382152, 364560, 36457102, G01B 1124

Patent

active

055173101

ABSTRACT:
An inspection device and method determines the accuracy of an irregular shaped elongate slot disposed through a piece part supported on an indexable turntable. The inspection device includes a movable illumination device for directing backlighting towards the piece part and illuminating the elongate slot, and a camera for taking a picture of the illuminated irregular shaped elongate slot and delivering an image of the irregular elongate slot. A vision system determines actual key characteristics (center coordinate value, angle value, area value, and true position value) of an image of the actual elongate slot and a monitor displays information corresponding to the actual and target values. The inspection device and method is primarily used to inspect slotted rings used in stators for gas turbine engines.

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