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REXROTH直動(dòng)式比例閥4WREE6W1-32-2X/G24K31/A1V

德國博世力士樂(lè )Rexroth比例方向閥 

型號4WRA 和 4WRAE 

比例方向閥，直動(dòng)式，無(wú)電位置反饋

規格6和10 

安裝面按ISO 4401 

控制流量的方向和大小 

比例電磁鐵操作 

對中彈簧控制閥芯 

不同閥芯可遮蓋 

集成控制電氣元件（OBE）用于4WRAE型

型號4WRH, 4WRZ, 4WRZE 

比例方向閥，先導式，無(wú)電位置反饋

比例閥是一種新型的液壓控制裝置。在普通壓力閥、流量閥和方向閥上，用比例電磁鐵替代原有的控制部分，按輸入的電氣信號連續地、按比例地對油流的壓力、流量或方向進(jìn)行遠距離控制。比例閥一般都具有壓力補償性能，輸出壓力和流量可以不受負載變化的影響

比例閥介紹：

隨著(zhù)液壓傳動(dòng)和液壓伺服系統的發(fā)展， 生產(chǎn)實(shí)踐中出現一些即要求能夠連續的控制 壓力、流量和方向，又不需要其控制精度很 高的液壓系統。由于普通的液壓元件不能滿(mǎn) 足具有一定的伺服性要求，而使用電液伺服 閥又由于控制精度要求不高而過(guò)于浪費，因 此近幾年產(chǎn)生了介于普通液壓元件 （開(kāi)關(guān)控制） 和伺服閥 （連續控制） 之間的比例控制 閥。

電液比例控制閥（簡(jiǎn)稱(chēng)比例閥）實(shí)質(zhì)上是一種廉價(jià)的、抗污染性能較好的電液控制閥。比例閥的發(fā)展經(jīng)歷兩條途徑，一是用比例電磁鐵取代傳統液壓閥的手動(dòng)調節輸入機構，在傳統液壓閥的基礎下：發(fā)展起來(lái)的各種比例方向、壓力和流量閥；二是一些原電液伺服閥生產(chǎn)廠(chǎng)家在電液伺服閥的基礎上，降低設計制造精度后發(fā)展起來(lái)的。

比例閥的工作原理：

下圖所示為比例閥工作原理框圖。指令信號經(jīng)比例放大器進(jìn)行功率放大，并按比例輸出電流給比例閥的比例電磁鐵，比例電磁鐵輸出力并按比例移動(dòng)閥芯的位置，即可按比例控制液流的流量和改變液流的方向，從而實(shí)現對執行機構的位置或速度控制。在某些對位置或速度精度要求較高的應用場(chǎng)合，還可通過(guò)對執行機構的位移或速度檢測，構成閉環(huán)控制系統。

比例閥由直流比例電磁鐵與液壓閥兩部分組成，比例閥實(shí)現連續控制的核心是采用了比例電磁鐵，比例電磁鐵種類(lèi)繁多，但工作原理基本相同，它們都是根據比例閥的控制需要開(kāi)發(fā)出來(lái)的。

比例閥由直流比例電磁鐵與液壓閥兩部分組成，比例閥實(shí)現連續控制的核心是采用了比例電磁鐵，比例電磁鐵種類(lèi)繁多，但工作原理基本相同，它們都是根據比例閥的控制需要開(kāi)發(fā)出來(lái)的

規格10至52 

安裝面按ISO 4401 

控制流量的方向和大小 

通過(guò)3通減壓閥進(jìn)行先導控制 

彈簧對中和主閥芯的反轉動(dòng)特點(diǎn) 

不同閥芯可遮蓋 

用于4WRZE的集成控制電氣元件(OBE) 

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R900855349 KOLBEN4WRE6E04-20/

R900849140 KOLBEN4WRE6V08-20/

R900847136 ABSTANDSBOLZENM3X55SW5,54WRE6-2X

R900846930 KOLBEN4WRE6W1/W2-08-20/

R900846929 KOLBEN4WRE6E1/E2-08-20/

R900846928 KOLBEN4WRE6W08-20/

R900846927 KOLBEN4WRE6E08-20/

R900846926 KOLBEN4WRE6V1-32-20/

R900846925 KOLBEN4WRE6V32-20/

R900846924 KOLBEN4WRE6V1-16-20/

R900846923 KOLBEN4WRE6V16-20/

R900846920 KOLBEN4WRE6W1/W2-16-20/

R900846919 KOLBEN4WRE6E1/E2-16-20/

R900846916 KOLBEN4WRE6W1/W2-32-20/

R900846915 KOLBEN4WRE6E1/E2-32-20/

R900846914 KOLBEN4WRE6W32-20/

R900846913 KOLBEN4WRE6E32-20/

R900846912 KOLBEN4WRE6W16-20/

R900846911 KOLBEN4WRE6E16-20/

R900787894 4WREEM10E1-50-2X/G24K34/B6V

R900786052 4WREEM6E04J-2X/G24K34/B6V-735

R900783449 4WREE6W9-32-2X/G24K31/A1V

R900783105 4WRE6EA08-2X/G24K4/V

R900781690 4WREEM6W16-2X/G24K34/B6V

R900780868 4WREEM10E75J-2X/G24K34/B6V-735

R900780867 4WREEM6E08J-2X/G24K34/B6V-735

R900779950 4WREE10V25-2X/G24K31/F1V

R900778356 4WREEM6E04-2X/G24K34/B6V

R900778355 4WREEM6W1-16-2X/G24K34/B6V

R900778354 4WREEM6E1-16-2X/G24K34/B6V

R900778032 4WREEM6E16J-2X/G24K34/B6V-735

R900777978 VERBINDUNG4WREQ10.-20/

R900777136 4WREF10R75-2X/V-24CA1

R900776804 4WREE6EB16-2X/G24K31/A1V

博世Bosch Rexroth力士樂(lè )上海優(yōu)勢供應閥系列產(chǎn)品如下：

力士樂(lè )Rexroth電磁閥，力士樂(lè )Rexroth比例閥，力士樂(lè )Rexroth溢流閥，力士樂(lè )Rexroth調節閥，力士樂(lè )Rexroth液壓閥，Rexroth solenoid valve ,力士樂(lè )換向閥，博世電磁閥，Bosch電磁閥，Bosch液壓閥，Bosch氣動(dòng)閥，Bosch Rexroth液壓元件，力士樂(lè )Rexroth節流閥，Bosch Rexroth力士樂(lè )截止閥，Bosch博世 Rexroth單向閥，Bosch Rexroth流量閥，Bosch Rexroth比例溢流閥，博世力士樂(lè )換向閥，Bosch博世力士樂(lè )Rexroth壓力閥，Bosch博世Rexroth力士樂(lè )比例閥，比例閥, Bosch博世Rexroth力士樂(lè )高頻響閥和伺服閥，Bosch博世Rexroth力士樂(lè )先導式比例方向閥，Bosch博世Rexroth力士樂(lè )直動(dòng)式比例方向閥，力士樂(lè )比例流量控制閥，博世力士樂(lè )高頻響方式閥，博世力士樂(lè )伺服閥，力士樂(lè )Rexroth比例減壓閥,Bosch博世Rexroth力士電子元件,力士樂(lè )Bosch Rexroth開(kāi)關(guān)閥，力士樂(lè )Bosch Rexroth方向滑閥，力士樂(lè )Bosch減壓閥，力士樂(lè )Bosch Rexroth方流量控制閥，力士樂(lè )Bosch Rexroth方截止閥-梭閥，力士樂(lè )Bosch Rexroth壓力截止閥，力士樂(lè )Rexroth插裝閥，力士樂(lè )Rexroth壓力截止閥，力士樂(lè )Rexroth控制閥塊。

博世Bosch Rexroth力士樂(lè )上海優(yōu)勢供應泵系列產(chǎn)品如下

博世力士樂(lè )Rexroth軸向柱塞泵，博世力士樂(lè )Rexroth徑向柱塞泵，博世力士樂(lè )Rexroth聯(lián)泵，博世力士樂(lè )Rexroth內嚙合齒輪泵，力士樂(lè )Rexroth外嚙合齒輪泵，博世Bosch Rexroth力士樂(lè )葉片泵，博世Bosch Rexroth力士樂(lè )變量泵，博世Bosch Rexroth力士樂(lè )定量泵