力士樂伺服閥R900732662 4WRTE16E200P-4X/6EG24K31/A1M

力士樂伺服閥R900732662 4WRTE16E200P-4X/6EG24K31/A1M

伺服閥屬于兩級閥，第一級為噴嘴檔板式，由控制信號控制其出口壓力，第二級為滑閥式，執(zhí)行控制級至剎車缸的壓力。當(dāng)無信號作用時， 由於壓力噴嘴出口油壓力的作用，使伺服閥擋板靠在回油噴嘴上，此時壓力口的油壓作用在滑閥閥芯上，使剎車口同計量油口直接連通，剎車口壓力同飛行員控制的計量油壓相等，當(dāng)機(jī)輪角速度檢測到滑行速度同基準(zhǔn)滑行速度有偏差時，力矩馬達(dá)接收到偏差電信號，此時力矩馬達(dá)驅(qū)動檔板向壓力噴嘴偏轉(zhuǎn)，使作用在閥芯上端油壓下降，在閥芯下端油壓作用下，閥芯上移，關(guān)小計量壓力油口，這將導(dǎo)致控制口壓力降低，控制口壓力降低到某一值時，就有對應(yīng)的制動壓力。

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力士樂REXROTH四通伺服方向閥4WSE3E 16
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