力士樂(lè)比例溢流閥全國(guó)熱銷(xiāo)進(jìn)行中，凡是在14年購(gòu)買(mǎi)Rexroth比例溢流閥及比例閥。我公司都將給于客戶(hù)Z低的優(yōu)惠及的折扣，讓客戶(hù)滿(mǎn)意就是我們得到Z大的收獲！幫助客戶(hù)解決問(wèn)題是我們獲得Z大的成就！Rexroth力士樂(lè)比例溢流閥是一種能夠使所輸出油液的參數(shù)（壓力）隨輸入電信號(hào)參數(shù)（電流或電壓）的變化而成比例地變化的液壓控制閥。

德國(guó)力士樂(lè)先導(dǎo)式溢流閥DBE6X型的特點(diǎn)：可通過(guò)線圈電流進(jìn)行調(diào)節(jié)；技術(shù)參數(shù)和所選的電子控制單元；電磁鐵類(lèi)型Imax=0.8A或者Imax=2.5A；即使當(dāng)電子控制單元損壞時(shí)，也能zui大程度地實(shí)現(xiàn)過(guò)壓保護(hù)（線圈電流I＞Imax）用于閥板安裝，安裝孔符合ISO4401-03-02-0-94；符合DIN43650-AM2標(biāo)準(zhǔn)的線纜插座，包括在供貨范圍內(nèi)；具有斜坡功能和閥調(diào)節(jié)功能的外部電子控制單元。 

 

力士樂(lè)Rexroth先導(dǎo)式比例溢流閥的的工作原理：通過(guò)電子控制單元確定某個(gè)設(shè)定值，對(duì)系統(tǒng)壓力進(jìn)行調(diào)節(jié)。電子控制單元根據(jù)設(shè)定值，利用穩(wěn)壓PWM電流（PWM=脈沖寬度調(diào)制）對(duì)線圈進(jìn)行控制。利用震蕩信號(hào)對(duì)穩(wěn)壓電流進(jìn)行調(diào)制，以保證獲得極小的滯后量。比例電磁鐵將電流轉(zhuǎn)變成機(jī)械作用力，并通過(guò)銜鐵挺桿作用于先導(dǎo)級(jí)中的主彈簧上。通過(guò)個(gè)供油孔將流量為＜0.6L/min的控制油供應(yīng)給先導(dǎo)級(jí)。通過(guò)錐孔/座孔構(gòu)造確定壓力級(jí)“Pmax” 

力士樂(lè)比例閥，Rexroth比例溢流閥，力士樂(lè)DBE6X型先導(dǎo)式比例溢流閥的型號(hào)說(shuō)明：

比例溢流閥0811 402 043  DBE6X-1X/315G24-8NZ4M
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力士樂(lè)Rexroth先導(dǎo)式比例溢流閥DBE6X型的zui大工作壓力 P 315 bar, T 250 bar和zui大體積流量40 l/min 。力士樂(lè)DBE6X型比例溢流閥是先導(dǎo)式溢流閥。錐-座結(jié)構(gòu)型式的內(nèi)部先導(dǎo)級(jí)和滑閥結(jié)構(gòu)型式的主級(jí)均在閥體之中。通過(guò)比例電磁鐵進(jìn)行控制。通過(guò)銜鐵中的節(jié)流閥對(duì)電磁鐵進(jìn)行減振，以保證動(dòng)態(tài)穩(wěn)定性。電磁鐵的內(nèi)腔與接口T相連，并且充滿(mǎn)液壓油。可以通過(guò)螺旋塞進(jìn)行排氣。使用這些發(fā)可以根據(jù)線圈電流變化，以無(wú)級(jí)方式對(duì)需要限制的系統(tǒng)壓力進(jìn)行調(diào)節(jié)。