力士樂伺服閥R901066145 4WS2EM10-52/75B11ET315K8DV；上海韋米機(jī)電設(shè)備有限公司主營銷售產(chǎn)品，產(chǎn)品實(shí)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(jià)采購！

產(chǎn)品簡介：

力士樂REXROTH四通型號的方向伺服閥
4WS.2E...
R900952165 4WSE2EM6-22/5B9ET315K17EV
規(guī)格 6
組件系列 2X
大工作壓力 315 bar
大流量 48 l/min
特征
用于控制位置、力、壓力或速率的閥
2 檔式伺服閥，帶機(jī)械反饋
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(jī)，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
閥和集成控制電子元件已進(jìn)行調(diào)節(jié)和測試
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
4WS(E)2EM 6-2X/…
此型號的閥門是電動操作式二級伺服方向閥，其油口安裝面符合 ISO 4401-03-02-0-05 標(biāo)準(zhǔn)。 它們主要用于控制位置、力、壓力或速率。
這些閥門由機(jī)電轉(zhuǎn)換器（力矩馬達(dá)）、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(jī)械反饋連接到力矩馬達(dá)）組成。
力矩馬達(dá)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。壓差導(dǎo)致閥芯改變位置，并導(dǎo)致壓力油口連接一個執(zhí)行機(jī)構(gòu)油口，同時(shí)，另一個執(zhí)行機(jī)構(gòu)油口連接到回流油口。
控制閥芯通過彎曲彈簧（機(jī)械反饋）連接到擋板或力矩馬達(dá)。閥芯的位置將改變，直到彎曲彈簧的反饋扭矩和力矩馬達(dá)的電磁扭矩達(dá)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。
用于外部控制電子元件的型號 4WS2EM 6-2X/…
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。
帶有 OBE 的型號 4WSE2EM 6-2X/…
要放大模擬輸入信號，需集成特別針對此閥類型進(jìn)行過調(diào)整的控制電子元件。它們與位于力矩馬達(dá)蓋帽中的連接器相連接。

德國力士樂REXROTH伺服閥訂貨號和型號：
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