PROBLEM TO BE SOLVED: To provide a tread shape measuring method that can suppress missing of data in a sidewall area of a land part divided by a groove in the circumferential direction.SOLUTION: A tread shape measuring method comprises: a measuring step S1 of measuring distance data from respective displacement gauges to the surface of a tread part while moving plural laser displacement gauges including a first laser displacement gauge whose axis of outgoing laser beam is inclined in a positive angle with respect to the tire equatorial plane and a second laser displacement gauge whose axis of outgoing laser beam is inclined in a negative angle with respect to the tire equatorial plane, in the tire axial direction within a tire meridian cross section; and a calculating step S2 of obtaining distance data representing the surface shape of the tread part by synthesizing first distance data measured by the first laser displacement gauge and second distance data measured by the second laser displacement gauge.SELECTED DRAWING: Figure 4

    【課題】周方向溝によって区分される陸部の側壁領域でのデータの欠落を抑制できるトレッド形状測定方法を提供する。【解決手段】トレッド形状測定方法は、レーザー出射光の軸線がタイヤ赤道面に対して正の角度で傾けられた第1レーザー変位計と、レーザー出射光の軸線がタイヤ赤道面に対して負の角度で傾けられた第2レーザー変位計とを含む複数のレーザー変位計を、タイヤ子午線断面内で、タイヤ軸方向に移動させながら、各変位計から前記トレッド部の表面までの距離データを測定する測定工程S1、及び、前記第1レーザー変位計によって測定された第1距離データと、前記第2レーザー変位計によって測定された第2距離データとを合成して、前記トレッド部の表面形状を表す距離データを得る計算工程S2とを含む。【選択図】 図4


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    Titel :

    TREAD SHAPE MEASURING METHOD AND TREAD SHAPE MEASURING DEVICE


    Weitere Titelangaben:

    トレッド形状測定方法及びトレッド形状測定装置


    Beteiligte:
    ARAMAKI CHIEKO (Autor:in)

    Erscheinungsdatum :

    2018-05-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / B60C VEHICLE TYRES , Fahrzeugreifen / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen



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