To select a defective of a vehicle wheel, which is attributable to durability.SOLUTION: A vehicle wheel defective determination method is a method to determine whether a vehicle wheel obtained by connecting a wheel rim and a wheel disk by irradiating a boundary between the wheel rim and the wheel disk with a laser beam is defective. The vehicle wheel defective determination method includes: a specification step of specifying, for a welding mark by irradiation with a laser beam, the lowest point within a target range to a location separated by a specified distance on the inner side in a radial direction of the vehicle wheel from an inner circumferential surface of the wheel rim; and a determination step of determining that the vehicle wheel is defective when defective determination conditions are satisfied in which the condition that a relative distance (the inner side in the radial direction is positive) of the lowest point based on the inner circumferential surface of the wheel rim in the radial direction of the vehicle wheel is a reference distance or smaller is included as a required condition.SELECTED DRAWING: Figure 8

    【課題】耐久性に起因する不良品の車両用ホイールを選別する。【解決手段】車両用ホイールの不良品判定方法は、ホイールリムとホイールディスクとの境界へのレーザ光の照射によりホイールリムとホイールディスクとが接合された車両用ホイールが不良品であるか否かを判定する方法である。車両用ホイールの不良品判定方法は、レーザ光の照射による溶接痕について、ホイールリムの内周面から車両用ホイールの径方向内側に規定距離だけ離間した位置までの対象範囲内における最下点を特定する特定工程と、車両用ホイールの径方向においてホイールリムの内周面を基準とする最下点の相対距離(径方向内側を正とする)が基準距離以下であることを必要条件として含む不良品判定条件が満たされた場合には、車両用ホイールを不良品であると判定する判定工程と、を含む。【選択図】図8


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    Title :

    VEHICLE WHEEL DETECTIVE DETERMINATION METHOD, VEHICLE WHEEL DEFECTIVE DETERMINATION PROGRAM, AND VEHICLE WHEEL DEFECTIVE DETERMINATION DEVICE


    Additional title:

    車両用ホイールの不良品判定方法、車両用ホイールの不良品判定プログラムおよび車両用ホイールの不良品判定装置


    Contributors:

    Publication date :

    2022-09-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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