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  • 成功案例

    發動機氣門芯檢測

    更新時間:2018-04-12 10:38:28點擊次數:2708次

    A method is required which can be used, after damage has occurred to diesel engines on ships or locomotives, for exami-nation, or preventative nondestructive testing of valves in the assembled condition, after the control mechanism has been removed.
    This means that only the front of the valve shaft is accessible.
    對去除控制機制以后的船或者機動車的柴油發動機出現損壞的情況,要求在裝配的情況下對閥門進行一種檢驗或者是預防性的無損檢測。
    這就意味著只有閥門軸的前端面可以作為檢測面。
    SOLUTION: 方案
    It is proposed that the special probe K5KS1 be used in the direct coupling mode on the front of the valve shaft:
    特殊的探頭K5KS1可用于和閥軸的前端面的直接耦合

    The probe’s crystal element diameter is matched to the shaft’s diameter. The acoustically absorbent protection layer (coupling membrane) reduces coupling deviations caused by standard hard-faced probes.
    探頭的晶片直徑和軸的端面相匹配,聲學吸收保護層(耦合膜)可以降低由于探頭硬接觸面引起的偏差。
    Indications from the weld zone are evaluated which extend above the noise level caused by coarse grain structure for-mation.
    超出由于粗晶粒結構引起的噪聲的焊縫區域顯示進行評估
    The complete weld area is covered by guiding the sound beam into the valve shafts.
    調節進入閥軸的聲束覆蓋整個焊縫區域

    Typical display indications:
    典型的顯示

    It is recommended that the test method be used due to its easy application and its clear indications in engine production and for input checks.
    推薦的檢測應用簡單并且能夠形成清晰的顯示

    SUITABLE EQUIPMENT: 設備

    Ultrasonic Flaw Detector:
    超聲設備 USD 15X USM 22 USM 25
    Probe: K5KS1
    探頭

    Copyright ? 2018 哈爾濱聯航金屬材料有限公司 技術支持:巨耀網絡  黑ICP備18001653號-1

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