力士樂比例換向閥R901469206 4WRDE10V1-100L-60/MXY/24A5

力士樂REXROTH帶集成電子元件 (OBE) 和電氣位置反饋的先導(dǎo)式高頻響方向閥

4WRDE

規(guī)格 10 … 27

組件系列 6X

大工作壓力 350 bar

大流量 1000 l/min

額定流量 25 … 500 l/min

-響應(yīng)靈敏度高，滯后小

高質(zhì)量-伺服閥性能先導(dǎo)控制閥控制閥芯和套筒

靈活-適用于非常的動態(tài)應(yīng)用中的位置、速率、力量和壓力控制

可靠-經(jīng)過驗(yàn)證且堅(jiān)固耐用的設(shè)計(jì)

4WRDE 型閥門是一個(gè)帶電氣位置反饋和集成電子元件 (OBE) 的三級先導(dǎo)式方向控制閥。

設(shè)置

閥的基本構(gòu)成是：

4WS2EM6-2X 型號二級助力模式先導(dǎo)控制閥

包括殼體和主級控制閥芯的主級

帶主級感應(yīng)式位置傳感器的集成電子元件

功能

在集成電子元件 (OBE) 中，主級控制閥芯的控制值將與位置理論值進(jìn)行比較。在存在差值（控制偏差）的情況下，先導(dǎo)控制閥的一級將被控制（干力矩馬達(dá)和噴嘴擋板系統(tǒng)）。這樣，可以實(shí)現(xiàn)噴嘴擋板系統(tǒng)的擋板的偏斜。擋板距離先導(dǎo)油流經(jīng)的兩個(gè)控制噴嘴其中一個(gè)的距離將減少，而距離另一個(gè)噴嘴的距離將增加。通過連接孔，與控制信號類似，產(chǎn)生的流量差導(dǎo)致控制閥芯在先導(dǎo)控制閥（第二級）中偏斜。先導(dǎo)控制閥釋放的流量使主級（第三級）控制閥芯偏斜，直至其實(shí)際位置值與控制值相符�？刂崎y芯的行程通過控制值的比例進(jìn)行控制。

閥門特點(diǎn)

閥門的出廠設(shè)置為震蕩默認(rèn)設(shè)置，恒定頻率為 400 Hz。

電源電壓故障

應(yīng)用先導(dǎo)油壓后，主級控制閥芯將移動至未定義的終端位置。這一連接中產(chǎn)生的加速力可能導(dǎo)致機(jī)械損壞。

如果使用方向疊加閥（請參閱訂貨代碼），則在斷電情況下主級的兩個(gè)先導(dǎo)油腔將短路。

對于符號 E、E1-、W6 和 W8，主級閥芯將使用彈簧對中中心位置。

對于符號 V 和 V1，主級閥芯將使用彈簧操作的偏移位置（P-B 和 A-T）（公差范圍為控制閥芯行程的 1% ... 11%）

注意：

零電位更改和/或顫振電流振幅可能導(dǎo)致系統(tǒng)損壞，故只能由的專業(yè)人員執(zhí)行。

先導(dǎo)控制閥只能由力士樂員工進(jìn)行維護(hù)。有一種例外情況，即根據(jù)附件列表更換過濾器和密封件。在裝配過程中，必須確保密封件已正確固定且保護(hù)塞已擰緊。保護(hù)塞的緊固扭矩為 30 Nm。

型號“Y”

外部先導(dǎo)油供油，外部先導(dǎo)油回油

在本型號中，先導(dǎo)油由單獨(dú)的先導(dǎo)油路供給（外部）。先導(dǎo)油回油不流入主閥的 T 通道，而是單獨(dú)通過油口 Y 流入油箱（外部）。

型號“PY”

內(nèi)部先導(dǎo)油供油，外部先導(dǎo)油回油

使用本型號時(shí)，先導(dǎo)油由主閥的 P 通道供給（內(nèi)部）。先導(dǎo)油回油不流入主閥的 T 通道，而是單獨(dú)通過油口 Y 流入油箱（外部）。在底板中，必須關(guān)閉油口 X。

型號“PT”

內(nèi)部先導(dǎo)油供油，內(nèi)部先導(dǎo)油回油

使用本型號時(shí)，先導(dǎo)油由主閥的 P 通道供給（內(nèi)部）。先導(dǎo)油直接流回主閥的 T 通道（內(nèi)部）。在底板中，必須關(guān)閉油口 X 和 Y。

型號“XT”

外部先導(dǎo)油供油，內(nèi)部先導(dǎo)油回油

在本型號中，先導(dǎo)油由單獨(dú)的先導(dǎo)油路供給（外部）。先導(dǎo)油直接流回主閥的 T 通道（內(nèi)部）。在進(jìn)油聯(lián)中，必須關(guān)閉油口 Y。

力士樂REXROTH高響應(yīng)方向閥，先導(dǎo)，帶集成電控裝置（OBE）和電氣位置反饋4WRDE -5X

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