A circumferential main groove detection method for detecting, by a computer, a position of a circumferential main groove of a tire from 3D data of a tread surface of the tire, the method including: a cross-sectional data extracting step of extracting, at a plurality of places in a tire circumferential direction, cross-sectional data of the tread surface along one direction inclined with respect to the tire circumferential direction; an area dividing step of dividing the cross-sectional data respectively into a plurality of areas along one direction; an evaluating step of evaluating relative unevenness in the areas; and a circumferential main groove identifying step of overlaying evaluation results of divided areas at an identical position in the tire circumferential direction and identifying the position of the tire circumferential main groove.
CIRCUMFERENTIAL MAIN GROOVE DETECTION METHOD AND CIRCUMFERENTIAL MAIN GROOVE DETECTION DEVICE
31.03.2022
Patent
Elektronische Ressource
Englisch
IPC: | G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B60C VEHICLE TYRES , Fahrzeugreifen / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen |
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