R901065784 4WS2EM10-52/20B11ET315K8DV；上海韋米機電設(shè)備有限公司主營銷售產(chǎn)品，產(chǎn)品實拍，原裝正品，客戶買的安心，用的放心。常用產(chǎn)品現(xiàn)貨供應(yīng)，歡迎新老客戶詢價采購！

產(chǎn)品簡介：

力士樂REXROTH四通型號的方向伺服閥
4WS.2E...
R901066145 4WS2EM10-52/75B11ET315K8DV
規(guī)格 10
組件系列 5X
大工作壓力 315 bar
大流量 180 l/min
用于控制位置、力、壓力或速率的閥
帶機械反饋或機械和電氣反饋的二級伺服閥
第 1 級噴嘴/擋板放大器
用于底板安裝：孔圖按 ISO 4401
干燥的控制電機，液壓液不得弄臟電磁鐵間隙
也用作 3 通結(jié)構(gòu)
無磨損控制閥芯復(fù)位元件
在外部控制或通過集成電子元件 (OBE) 控制
閥和集成控制電子元件已進行調(diào)節(jié)和測試
帶液動力補償?shù)目刂崎y芯
中心固定的控制閥套，因此對溫度和壓力的敏感性很低
控制閥套上的壓力腔帶有間隙密封，因此無密封圈磨損
第 1 級的過濾器可從外部自由檢修
產(chǎn)品說明
4WS(E)2EM10-5X/...
4WS(E)2EM10-5X 型閥門是電動操作的 2 級伺服方向閥。它們主要用于控制位置、力和速率。
這些閥門由機電轉(zhuǎn)換器（力矩馬達）、液壓放大器（原理：噴嘴擋板）和套筒（第二級）中的控制閥芯（通過機械反饋連接到力矩馬達）組成。
力矩馬達線圈上的電氣輸入信號通過磁體產(chǎn)生作用于電樞的力，并與彈性管 一起產(chǎn)生扭矩。這導(dǎo)致通過螺栓連接到彈性管的擋板從兩個控制噴嘴之間的中心位置移開，并且在控制閥芯的前側(cè)產(chǎn)生壓差。該壓差導(dǎo)致控制閥芯改變位置，并導(dǎo)致壓力油口連接一個執(zhí)行機構(gòu)油口，同時，另一個執(zhí)行機構(gòu)油口連接到回流油口。
控制閥芯通過彎曲彈簧（機械反饋）連接到擋板或力矩馬達。控制閥芯的位置將改變，直到彎曲彈簧的反饋扭矩和力矩馬達的電磁扭矩達到平衡并且噴嘴擋板系統(tǒng)的壓差變?yōu)榱恪?br /> 因此，控制閥芯的行程和伺服閥的流量是與電氣輸入信號成比例來控制的。必須注意的是，流量取決于閥壓降。
外部控制電子元件，4WS2EM10-5X/... 型（單**訂購）
外部控制電子元件（伺服放大器）操作閥門并放大模擬輸入信號（控制值），以便通過輸出信號以流量控制形式驅(qū)動伺服閥。
集成控制電子元件，4WSE2EM10-5X/... 型和 4WSE2ED10-5X/... 型
要放大模擬輸入信號，需集成特別針對此閥類型進行過調(diào)整的控制電子元件 (10)。它們與力矩馬達蓋帽相連接。閥零位可以通過可從外部檢修的電位計進行調(diào)整。
4WSE2ED10-5X/...
對于通過復(fù)位彈簧的機械控制，此類型的閥門還配備有電氣閥芯位置檢測和控制裝置。控制閥芯位置由感應(yīng)式位置傳感器確定。由集成控制電子元件將位置傳感器信號與控制值相比較。任何可能的控制偏差都進行電氣放大，并且作為控制信號饋送到力矩馬達。具有附加電氣反饋時，與純機械型號相比，電氣控制器放大率可在較小信號范圍內(nèi)達到較高動態(tài)值。另外提供的機械反饋可確保在電源故障時，閥芯位于零范圍內(nèi)。
閥門僅與集成控制電子元件配合使用。閥零位可以通過可從外部檢修的電位計進行調(diào)整。
注意：更改零電位可能導(dǎo)致系統(tǒng)損壞，故只能由的專業(yè)人員執(zhí)行。

德國力士樂REXROTH伺服閥訂貨號和型號：
R901066145 4WS2EM10-5X/75B11ET315K8DV
R901065784 4WS2EM10-52/20B11ET315K8DV
R900956874 4WS2EM10-52/30B11ET315K31DV
R901065784 4WS2EM10-52/20B11ET315K8DV
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R978005970 4WS2EM10-5X/30B11ET315K31EV/EFF00179
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R900784668 4WS2EM10-5X/30B11T315K31CV-114
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R978014958 4WS2EM10-5X/30B11T315K31EVS043A-1793
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R900733233 4WS2EM10-5X/60B0T210K31CV-112
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R901066652 4WS2EM10-5X/60B11ET315K31CV-114
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R901109237 4WS2EM10-5X/60B11T315K8CV-114
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R901320820 4WS2EM10-5X/75B11ET210K8AV
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R900977304 4WS2EM10-5X/75B11T210K8AV
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R900786427 4WS2EM10-5X/75B11T315K31CV-114
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R900728842 4WS2EM10-5X/75B11T315K8AV
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R900733235 4WS2EM10-5X/90B0T210K31CV-112
R900947866 4WS2EM10-5X/90B0T210K9CV-112
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R901409920 4WS2EM10-5X/90B11-315K31CV-114
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