力士樂(lè)伺服閥R901066145 4WS2EM10-52/75B11ET315K8DV；上海韋米機(jī)電設(shè)備有限公司主營(yíng)銷售產(chǎn)品，產(chǎn)品實(shí)拍，原裝正品，客戶買(mǎi)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(gòu)！

產(chǎn)品簡(jiǎn)介：

力士樂(lè)REXROTH四通型號(hào)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(jí)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(wú)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(cè)試
控制閥套上的壓力腔帶有間隙密封，因此無(wú)密封圈磨損
第 1 級(jí)的過(guò)濾器可從外部自由檢修
4WS(E)2EM 6-2X/…
此型號(hào)的閥門(mén)是電動(dòng)操作式二級(jí)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(mén)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(jí)）中的控制閥芯（通過(guò)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(hào)通過(guò)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(guò)螺栓連接到彈性管的擋板從兩個(gè)控制噴嘴之間的中心位置移開(kāi)，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(gè)執(zhí)行機(jī)構(gòu)油口，同時(shí)，另一個(gè)執(zhí)行機(jī)構(gòu)油口連接到回流油口。
控制閥芯通過(guò)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(hào)成比例來(lái)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(hào) 4WS2EM 6-2X/…
外部控制電子元件（伺服放大器）操作閥門(mén)并放大模擬輸入信號(hào)（控制值），以便通過(guò)輸出信號(hào)以流量控制形式驅(qū)動(dòng)伺服閥。
帶有 OBE 的型號(hào) 4WSE2EM 6-2X/…
要放大模擬輸入信號(hào)，需集成特別針對(duì)此閥類型進(jìn)行過(guò)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(guó)力士樂(lè)REXROTH伺服閥訂貨號(hào)和型號(hào)：
R901066145 4WS2EM10-52/75B11ET315K8DV
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R900618077 4WS2EM10-5X/75B11T210K31AV
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R901197962 4WS2EM10-5X/90B11ET315K31DM
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R901372572 4WS2EM10-5X=20B11ET315K31EV-100
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公示： 因工業(yè)液壓、自動(dòng)化各進(jìn)口品**備件型號(hào)繁多，歐美產(chǎn)品價(jià)格實(shí)時(shí)變化，因此很難實(shí)時(shí)標(biāo)出準(zhǔn)確價(jià)格，請(qǐng)以業(yè)務(wù)員實(shí)際報(bào)價(jià)單價(jià)格為準(zhǔn)！ 給您帶來(lái)不便敬請(qǐng)諒解。