To provide a preload inspection method of a wheel bearing device capable of determining preload more accurately.SOLUTION: A preload inspection method includes: a process S03 for measuring a first inner ring height after a press-fitting process S02; a process S04 for calculating a bearing preload value after S03; a process S06 for measuring an after-press-fitting rotational torque after S02; a caulking process S07 after S03 and S06; a process S08 for measuring a temperature of a caulking portion after S07; a process S09 for measuring a second inner ring height after S07; a process S11 for estimating a pressing-in amount of the inner ring 4 after correction; a process S12 for calculating a final clearance; a process S13 for calculating a second bearing preload value; a process S14 for measuring an after-caulking rotational torque after S07; a process S16 for correcting an after-caulking rotational torque; a process S17 for estimating a preload change amount; a process S18 for calculating a third bearing preload value; and a process S19 for determining propriety of the preload on the basis of whether the second and third bearing preload values are respectively within a threshold value or not, and whether the relative difference between the second and third bearing preload values is within the threshold value or not.SELECTED DRAWING: Figure 2

    【課題】予圧をより高精度に判定できる車輪用軸受装置の予圧検査方法を提供する。【解決手段】圧入工程S02後に第1の内輪高さを測定する工程S03、S03後に軸受予圧値を算出する工程S04、S02後に圧入後回転トルクを測定する工程S06、S03とS06後の加締工程S07、S07後に加締部の温度を測定する工程S08、S07後に第2の内輪高さを測定する工程S09、補正後の内輪4の押込み量を推定する工程S11、最終隙間を算出する工程S12、第2の軸受予圧値を算出する工程S13、S07後に加締後回転トルクを測定する工程S14、加締後回転トルクを補正する工程S16、予圧変化量を推定する工程S17、第3の軸受予圧値を算出する工程S18、第2、第3の軸受予圧値がそれぞれ閾値内であるか否かと、第2、第3の軸受予圧値の相対差が閾値内であるか否かと、に基づいて予圧の適否を判定する工程S19、を備える。【選択図】図2


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    Titel :

    PRELOAD INSPECTION METHOD OF WHEEL BEARING DEVICE


    Weitere Titelangaben:

    車輪用軸受装置の予圧検査方法


    Beteiligte:
    TAMAKI SHUN (Autor:in)

    Erscheinungsdatum :

    2022-03-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F16C SHAFTS , Wellen / B60B VEHICLE WHEELS , Räder für Fahrzeuge / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / 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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