基本原理

  通過電子控制單元確定某個(gè)設(shè)定值，對A中的系統(tǒng)壓力進(jìn)行調(diào)節(jié)。電子控制單元根據(jù)設(shè)定值，以克服彈簧力的方式控制電磁鐵的位置。比例電磁鐵根據(jù)彈簧特性曲線進(jìn)行準(zhǔn)確定位。通過流量調(diào)節(jié)閥，從P將流量小于0．6L/min的液壓油供應(yīng)給先導(dǎo)級。

 將先導(dǎo)壓力與A中的負(fù)載壓力（外加彈簧力）進(jìn)行比較和調(diào)節(jié)。彈簧使得T中的Pamn＝p。提供合適程度的過壓保護(hù)如果電子控制單元中出現(xiàn)故障，并且因此失控而超過了線圈電流（/max），則主要由z u i大彈簧力來實(shí)現(xiàn)過壓保護(hù)。

具有位置反饋功能和內(nèi)置式電子控制單元的先導(dǎo)閥，用于降低負(fù)載上的系統(tǒng)壓力（控制油僅在內(nèi)部）三通型式（P－AA－T，Pn＝P1 可通過銜鐵相對于壓縮彈簧的位置進(jìn)行調(diào)節(jié)位置可調(diào)，最小滯后量＜1％，執(zhí)行時(shí)間短，參見技術(shù)參數(shù)

即使當(dāng)電子控制單元損壞時(shí)，也能不同程度地實(shí)現(xiàn)過壓保（線圈電流1＞。）

用于閥板安裝，安裝孔符合I1SO4401－03－02－0－05，安裝板根據(jù)產(chǎn)品目錄RC45053（單獨(dú)訂購）

線纜插座根據(jù)DIN43563－AM6，參見產(chǎn)品目錄 RC08008（單獨(dú)訂購）

上海今薩機(jī)電設(shè)備有限公司主營：

德國品牌：

REXROTH（力士樂）、P+F(倍加福)

PHOENIX(菲尼克斯 ) 、SIEMENS(西門子)

HAWE（哈威）              HYDAC（賀德克）

EUPRESS                          FONROOG(佛 郎）

美國品牌：

PARKER（派克）、DENISON（丹尼遜）、

VICKERS（威格士）、 MOOG（穆格）、

SUN ( 太陽 ）、SAUER-DANFOSS (薩奧-丹佛斯）

意大利   ATOS（阿托斯）

日本   YUKEN（油 研）            

備有大量現(xiàn)貨，保證原裝正品，假一罰十，歡迎大家來咨詢?。。。?/span>

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