詳細(xì)介紹
原裝產(chǎn)品德國Rexroth力士樂4通伺服閥/力士樂伺服閥價格
REXROTH4通伺服閥*級液壓放大的噴嘴磨損或噴嘴部分堵塞;滑閥卡澀;滑閥凸肩的銳邊磨損;EH壓力至左右側(cè)油的縮孔部分堵塞;伺服閥機(jī)械零偏調(diào)整不準(zhǔn)確。這些原因都有可能造成滑閥凸肩不能精確封堵住壓力油的進(jìn)油口和有壓回油的泄油口,使滑閥發(fā)生往復(fù)動作,油動機(jī)下油缸不斷處于進(jìn)油或泄油的過程,隨著伺服閥泄漏量的增加,伺服卡與伺服閥組成的閉環(huán)系統(tǒng)就會處于振蕩狀態(tài),一但閉環(huán)系統(tǒng)出現(xiàn)振蕩,在高壓EH油的沖蝕下,滑閥凸肩的銳邊將會被磨損,進(jìn)一步加重伺服閥的泄漏量,汽門的抖動幅度也將迸一步增大,這種惡性循環(huán)使得油動機(jī)的下油缸不停的進(jìn)油和泄油,調(diào)門也隨之開和關(guān),zui終引發(fā)調(diào)節(jié)汽門大幅抖動的故障。3調(diào)節(jié)汽門在靜態(tài)調(diào)試階段曾發(fā)現(xiàn)伺服閥機(jī)械零偏有偏差,機(jī)械零偏使3調(diào)門有輕微的晃動現(xiàn)象,臨時對機(jī)械零偏進(jìn)行了調(diào)整,消除了晃動現(xiàn)象,但由于沒有經(jīng)過校驗臺的校驗,機(jī)械零偏的調(diào)整精度不高。所以對于3調(diào)節(jié)汽門伺服閥,經(jīng)過一段時間的使用,其滑閥凸肩的銳邊磨損應(yīng)當(dāng)是比較嚴(yán)重的。故障處理后,將3調(diào)節(jié)汽門的伺服閥拆下,送返至上汽廠清洗檢修,廠家檢測結(jié)果與我們的判斷是*的,滑閥凸肩的銳邊已磨損,無法修復(fù),由廠家重新更換了新的伺服閥。力士樂REXROTH伺服閥特殊用途的特殊材料。德國公司如紅寶石噴嘴擋板材料,以防止體噴嘴飼料造成傷害和擋板,以減少靜態(tài)和動態(tài)性能,因此,縮短工作生活。機(jī)械反饋桿球頭也生產(chǎn)紅寶石,和緩沖,以防止球的小槽之間的磨損,因此,失去控制的閥門,并有尖叫聲。
原裝產(chǎn)品德國Rexroth力士樂4通伺服閥/力士樂伺服閥價格
規(guī)格10
元件系列5X
zui大工作壓力315 bar
zui大流量180 l/min
應(yīng)用根據(jù)防爆指示94/9/EC
適用于美國FM許可"VH1"
環(huán)境溫度范圍–20 °C至60 °C
原裝產(chǎn)品德國Rexroth力士樂4通伺服閥/力士樂伺服閥價格
R900637136 DUESE 0,3 M8X1,0 X17,5 SW3 4WS2EM10-42/
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R900617678 4WS2EM6-2X/5B12ET210K17EV
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R900584270 4WS2EM10-4X/10B3ET315K8AV-7
R900583336 4WS2EM10-4X/20B2ET315K8EM
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R900556374 VT 17010-1X/0 (MOD.VT-SR1/0 4WS2EM10)
R900555078 VTS 0616-1X/SR92/0/4WS2EM10
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R900501001 4WS2EM10-4X/10B2ET315K8BM-52
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R901119176 4WS2EM10-5X/60B11ET210K31AV
R901119156 4WS2EM10-5X/75B11XHET210K31EV-100
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R901108851 4WS2EM10-5X/75B11XHE315K31EV
R901101919 4WS2EM10-5X/20B11XHET315K31EV-100
R901101469 4WS2EM10-5X/75B11T315K8CV-104
R901098304 4WS2EM10-5X/10B11XHET315K31EV-100