G - Physics – 05 – D
Patent
G - Physics
05
D
341/101, 340/134
G05D 3/10 (2006.01) B23B 49/04 (2006.01) G01B 7/312 (2006.01) G05D 3/14 (2006.01) H02K 15/16 (2006.01)
Patent
CA 1070412
ABSTRACT OF THE DISCLOSURE Method and apparatus for accurately positioning a blank angular position transducer element for boring at its center. A relatively high frequency carrier signal is applied to the blank transducer element to be bored and is thereby induced in a master rotor element which is rotated at a constant speed in an operative relationship with the blank. The rotor is made deliberately eccentric with respect to its axis of rotation, and the induced signal contains a carrier signal, a component indicative of relative angular position, and a once- per-revolution eccentricity error component, if the blank element is also eccentric with respect to the axis of rotation. Error detection circuitry isolates the once-per-revolution eccentricity error component, and resolution circuitry resolves it into x and y directions for application to error display devices, or to actuators connected to move the blank transducer element automatically until the x and y components are both zero. The blank element can then be bored by a tool movable along and rotable about the axis of rotation. - 1 -
251686
Cocksedge Kenneth W.
Gabor Andrew
LandOfFree
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