一、德國力士樂Rexroth概況

博(bo)世REXROTH力士(shi)樂(le)致(zhi)力于為各類機(ji)械(xie)和系(xi)統(tong)設備提(ti)供安(an)全、J準、高(gao)效以及(ji)(ji)(ji)高(gao)性價(jia)比的傳動(dong)與控制技術。公司融合Q球的應用(yong)經(jing)驗，研(yan)發創新的產品，為行走機(ji)械(xie)、機(ji)械(xie)應用(yong)與工程(cheng)、工廠自動(dong)化及(ji)(ji)(ji)可再生能源每一個細分(fen)市(shi)場的客戶量身定制系(xi)統(tong)解決方案(an)及(ji)(ji)(ji)服務。博(bo)世力士(shi)樂(le)同時為客戶提(ti)供各種(zhong)液壓、電(dian)子傳動(dong)與控制、氣動(dong)、齒輪(lun)、線性傳動(dong)及(ji)(ji)(ji)組裝(zhuang)技術。

REXROTH柱塞泵，REXROTH齒(chi)輪泵

REXROTH葉片泵，REXROTH電(dian)磁閥

REXROTH換(huan)向閥，REXROTH油泵，

REXROTH導軌， Rexroth隆興液壓，

REXROTH滾珠絲桿，REXROTH滑塊，

REXROTH比(bi)例閥，REXROTH壓力閥

REXROTH傳感器，REXROTH馬(ma)達

REXROTH伺服閥，REXROTH繼電器(qi)

二、德國力士樂Rexroth電磁閥描述

型號：R901453388   3DREE16P-7X/200XYG24K31F1V

3DRE(M)E 型(xing)閥(fa)門是電(dian)(dian)(dian)控(kong)(kong)先導式三通(tong)減壓(ya)(ya)閥(fa)，可(ke)以(yi)為用電(dian)(dian)(dian)器提供(gong)壓(ya)(ya)力限(xian)制(zhi)(zhi)。它們(men)可(ke)以(yi)用于降(jiang)低(di)（P 至 A）和(he)限(xian)制(zhi)(zhi)（A 至 T）系統(tong)壓(ya)(ya)力。結構閥(fa)門由(you)以(yi)下兩個主(zhu)要組件構成(cheng)：先導控(kong)(kong)制(zhi)(zhi)閥(fa) (1) 帶比例電(dian)(dian)(dian)磁鐵 (2) 和(he)集成(cheng)電(dian)(dian)(dian)子元(yuan)件 (OBE) (17)，可(ke)選(xuan)配最大(da)壓(ya)(ya)力限(xian)制(zhi)(zhi)裝置 (15)。通(tong)過(guo)設(she)備插頭 (16) 連接(jie)電(dian)(dian)(dian)源電(dian)(dian)(dian)壓(ya)(ya)和(he)設(she)定值(zhi)(zhi)電(dian)(dian)(dian)壓(ya)(ya)。出(chu)廠(chang)時通(tong)過(guo)較小的(de)樣(yang)本偏差微調設(she)定值(zhi)(zhi)壓(ya)(ya)力特性(xing)曲線。?主(zhu)閥(fa) (3) 帶主(zhu)控(kong)(kong)制(zhi)(zhi)閥(fa)芯(xin) (4)?功(gong)能根據設(she)定值(zhi)(zhi)，通(tong)過(guo)先導控(kong)(kong)制(zhi)(zhi)閥(fa) (1) 在(zai)接(jie)口 A 中(zhong)對待降(jiang)低(di)的(de)壓(ya)(ya)力進(jin)行(xing)設(she)置。?當接(jie)口 P 減壓(ya)(ya)時，主(zhu)控(kong)(kong)制(zhi)(zhi)閥(fa)芯(xin) (4) 通(tong)過(guo)彈簧(huang) (5) 和(he) (6) 保(bao)持在(zai)中(zhong)心位置。這可(ke)以(yi)防止用電(dian)(dian)(dian)器出(chu)現啟動波動。?控(kong)(kong)制(zhi)(zhi)流體從孔(kong) (7) 經由(you)流量控(kong)(kong)制(zhi)(zhi)器 (8) 和(he)控(kong)(kong)制(zhi)(zhi)室 (11) 到達節流間隙 (9) 并通(tong)過(guo)管(guan)路 (10) 到達接(jie)口 Y。該連接(jie)必(bi)須(xu)在(zai)容(rong)器中(zhong)無壓(ya)(ya)力的(de)情況下進(jin)行(xing)。

控(kong)制(zhi)室 (11) 中(zhong)(zhong)(zhong)先導(dao)(dao)(dao)壓(ya)力(li)(li)(li)的(de)(de)(de)(de)形成作(zuo)為(wei)設(she)(she)(she)定(ding)值的(de)(de)(de)(de)函數。?通過(guo)噴嘴(zui) (12) 在(zai)彈簧(huang)腔 (13) 中(zhong)(zhong)(zhong)形成壓(ya)力(li)(li)(li)，并將(jiang)主(zhu)控(kong)制(zhi)閥(fa)(fa)芯 (4) 向(xiang)右移(yi)動。液壓(ya)油從 P 流(liu)向(xiang) A。?接(jie)(jie)口 A 中(zhong)(zhong)(zhong)的(de)(de)(de)(de)用電(dian)器壓(ya)力(li)(li)(li)存在(zai)于(yu)彈簧(huang)腔 (14) 中(zhong)(zhong)(zhong)。?將(jiang)接(jie)(jie)口 A 中(zhong)(zhong)(zhong)的(de)(de)(de)(de)壓(ya)力(li)(li)(li)提(ti)升至(zhi)先導(dao)(dao)(dao)控(kong)制(zhi)閥(fa)(fa) (1) 的(de)(de)(de)(de)設(she)(she)(she)定(ding)壓(ya)力(li)(li)(li)，這會導(dao)(dao)(dao)致主(zhu)閥(fa)(fa)芯 (4) 向(xiang)左移(yi)動。接(jie)(jie)口 A 中(zhong)(zhong)(zhong)的(de)(de)(de)(de)壓(ya)力(li)(li)(li)與先導(dao)(dao)(dao)控(kong)制(zhi)閥(fa)(fa) (1) 的(de)(de)(de)(de)設(she)(she)(she)定(ding)壓(ya)力(li)(li)(li)大致相同。壓(ya)力(li)(li)(li)限制(zhi)如果(guo)接(jie)(jie)口 A 中(zhong)(zhong)(zhong)的(de)(de)(de)(de)壓(ya)力(li)(li)(li)超過(guo)了(le)先導(dao)(dao)(dao)控(kong)制(zhi)閥(fa)(fa) (1) 的(de)(de)(de)(de)設(she)(she)(she)定(ding)壓(ya)力(li)(li)(li)，則主(zhu)控(kong)制(zhi)閥(fa)(fa)芯 (4) 繼續向(xiang)左移(yi)動。?借此(ci)斷開從 A 到(dao) T 的(de)(de)(de)(de)連接(jie)(jie)，并將(jiang)接(jie)(jie)口 A 中(zhong)(zhong)(zhong)所生成的(de)(de)(de)(de)壓(ya)力(li)(li)(li)限制(zhi)為(wei)已設(she)(she)(she)定(ding)的(de)(de)(de)(de)設(she)(she)(she)定(ding)值。?

兩(liang)位(wei)五通(tong)電(dian)(dian)(dian)磁閥(fa)(fa)具有(you)1個(ge)(ge)進氣(qi)(qi)孔(kong)(接進氣(qi)(qi)氣(qi)(qi)源(yuan))、1個(ge)(ge)正(zheng)動(dong)作出氣(qi)(qi)孔(kong)和1個(ge)(ge)反(fan)動(dong)作出氣(qi)(qi)孔(kong)(分別(bie)提供給目標設備的(de)(de)一(yi)(yi)正(zheng)一(yi)(yi)反(fan)動(dong)作的(de)(de)氣(qi)(qi)源(yuan))、1個(ge)(ge)正(zheng)動(dong)作排氣(qi)(qi)孔(kong)和1個(ge)(ge)反(fan)動(dong)作排氣(qi)(qi)孔(kong)(安裝消(xiao)聲器)。 對(dui)于小(xiao)(xiao)型(xing)(xing)自動(dong)控(kong)制設備，氣(qi)(qi)管一(yi)(yi)般(ban)選用8~12mm的(de)(de)工業膠氣(qi)(qi)管。電(dian)(dian)(dian)磁閥(fa)(fa)一(yi)(yi)般(ban)選用日本SMC(一(yi)(yi)點，不(bu)(bu)過是(shi)小(xiao)(xiao)日本的(de)(de)產品)、中國(guo)(guo)臺(tai)灣亞德客(，質量(liang)也(ye)不(bu)(bu)錯)或其它國(guo)(guo)產品牌等(deng)等(deng)。 在電(dian)(dian)(dian)氣(qi)(qi)上來說，兩(liang)位(wei)三(san)通(tong)電(dian)(dian)(dian)磁閥(fa)(fa)一(yi)(yi)般(ban)為單(dan)電(dian)(dian)(dian)控(kong)(即單(dan)線(xian)圈)，兩(liang)位(wei)五通(tong)電(dian)(dian)(dian)磁閥(fa)(fa)一(yi)(yi)般(ban)為雙(shuang)電(dian)(dian)(dian)控(kong)(即雙(shuang)線(xian)圈)。線(xian)圈電(dian)(dian)(dian)壓等(deng)級一(yi)(yi)般(ban)采(cai)用DC24V、AC220V等(deng)。 兩(liang)位(wei)三(san)通(tong)電(dian)(dian)(dian)磁閥(fa)(fa)分為常(chang)閉型(xing)(xing)和常(chang)開型(xing)(xing)兩(liang)種(zhong)，常(chang)閉型(xing)(xing)指線(xian)圈沒通(tong)電(dian)(dian)(dian)時(shi)(shi)氣(qi)(qi)路(lu)是(shi)斷(duan)的(de)(de)，常(chang)開型(xing)(xing)指線(xian)圈沒通(tong)電(dian)(dian)(dian)時(shi)(shi)氣(qi)(qi)路(lu)是(shi)通(tong)的(de)(de)。

常(chang)閉(bi)型(xing)(xing)兩(liang)位(wei)三通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)作(zuo)原理(li)(li)(li)：給(gei)(gei)(gei)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)路(lu)接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)，線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)一(yi)(yi)(yi)旦斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)路(lu)就會(hui)斷開(kai)(kai)，這相當于“點動(dong)(dong)(dong)(dong)(dong)"。 常(chang)開(kai)(kai)型(xing)(xing)兩(liang)位(wei)三通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)單(dan)(dan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)作(zuo)原理(li)(li)(li)：給(gei)(gei)(gei)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)路(lu)斷開(kai)(kai)，線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)一(yi)(yi)(yi)旦斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)路(lu)就會(hui)接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)，這也是“點動(dong)(dong)(dong)(dong)(dong)"。 兩(liang)位(wei)五通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)雙(shuang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)作(zuo)原理(li)(li)(li)：給(gei)(gei)(gei)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，則(ze)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)氣(qi)(qi)(qi)(qi)(qi)路(lu)接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)(正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)出氣(qi)(qi)(qi)(qi)(qi)孔有氣(qi)(qi)(qi)(qi)(qi))，即(ji)使給(gei)(gei)(gei)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后(hou)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)氣(qi)(qi)(qi)(qi)(qi)路(lu)仍然(ran)是接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)，將(jiang)會(hui)一(yi)(yi)(yi)直維持(chi)到(dao)給(gei)(gei)(gei)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)為(wei)止。 給(gei)(gei)(gei)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，則(ze)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)氣(qi)(qi)(qi)(qi)(qi)路(lu)接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)(反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)出氣(qi)(qi)(qi)(qi)(qi)孔有氣(qi)(qi)(qi)(qi)(qi))，即(ji)使給(gei)(gei)(gei)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后(hou)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)氣(qi)(qi)(qi)(qi)(qi)路(lu)仍然(ran)是接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)，將(jiang)會(hui)一(yi)(yi)(yi)直維持(chi)到(dao)給(gei)(gei)(gei)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)為(wei)止。這相當于“自鎖(suo)"。 基于兩(liang)位(wei)五通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)雙(shuang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)的(de)(de)(de)這種特性，在設計機電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)(kong)制回路(lu)或(huo)編制PLC程(cheng)序的(de)(de)(de)時候，可(ke)以(yi)讓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)動(dong)(dong)(dong)(dong)(dong)作(zuo)1~2秒就可(ke)以(yi)了，這樣可(ke)以(yi)保(bao)護電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)不(bu)(bu)容易損壞。 A 單(dan)(dan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)(kong)原理(li)(li)(li)圖(tu) 單(dan)(dan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)是通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)過(guo)控(kong)(kong)制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)斷以(yi)及(ji)彈(dan)簧作(zuo)用，來控(kong)(kong)制 閥(fa)(fa)(fa)芯(xin)的(de)(de)(de)運動(dong)(dong)(dong)(dong)(dong)，達到(dao)控(kong)(kong)制閥(fa)(fa)(fa)的(de)(de)(de)開(kai)(kai)閉(bi)! 動(dong)(dong)(dong)(dong)(dong)作(zuo)示意圖(tu) 右側的(de)(de)(de)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)得電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，左(zuo)側彈(dan)簧壓縮        右側的(de)(de)(de)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)失電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，左(zuo)側彈(dan)簧伸出  B.雙(shuang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)(kong)原理(li)(li)(li) 雙(shuang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)過(guo)兩(liang)側電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)的(de)(de)(de)得電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)、失電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)來控(kong)(kong)制開(kai)(kai)閉(bi)，當一(yi)(yi)(yi)個(ge)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)失電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，另一(yi)(yi)(yi)個(ge)未得電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時可(ke)以(yi)保(bao)持(chi)閥(fa)(fa)(fa)芯(xin)不(bu)(bu)動(dong)(dong)(dong)(dong)(dong)，稱為(wei)有記憶功能的(de)(de)(de)閥(fa)(fa)(fa)。

力(li)(li)士(shi)(shi)樂M-3SEW電(dian)磁閥(fa)(fa)概述：     力(li)(li)士(shi)(shi)樂M-SEW型方(fang)(fang)向(xiang)閥(fa)(fa)是電(dian)磁截(jie)止式方(fang)(fang)向(xiang)閥(fa)(fa)，用於控制油液的(de)流動、停止和方(fang)(fang)向(xiang)。力(li)(li)士(shi)(shi)樂M-SEW 型方(fang)(fang)向(xiang)閥(fa)(fa)其組成主(zhu)要包括閥(fa)(fa)體 (1)、電(dian)磁鐵(tie) (2)，經(jing)過硬化處(chu)理的(de)閥(fa)(fa)系統(tong) (3)，以及(ji)作為關閉件的(de)球(qiu) (4)。

力(li)(li)士樂(le)M-SEW 型(xing)方(fang)向(xiang)(xiang)(xiang)閥(fa)(fa)基本原(yuan)理：     在初始位置(zhi)，閥(fa)(fa)芯 (4) 被(bei)彈(dan)簧 (9) 推向(xiang)(xiang)(xiang)閥(fa)(fa)座，在切換位置(zhi)，電(dian)磁鐵(tie)(tie) (2) 將其推向(xiang)(xiang)(xiang)閥(fa)(fa)座。電(dian)磁鐵(tie)(tie) (2) 的(de)力(li)(li)經過(guo)角狀杠桿 (6) 和球 (7) 作(zuo)用(yong)於兩面密封的(de)操作(zuo)推桿 (8)。 在兩個密封元件之間的(de)閥(fa)(fa)腔(qiang)與P口(kou)連通(tong)。這樣(yang)，閥(fa)(fa)系(xi)統 (3) 的(de)壓(ya)(ya)力(li)(li)相(xiang)對(dui)於操作(zuo)力(li)(li) (電(dian)磁鐵(tie)(tie)或(huo)彈(dan)簧)，處於平(ping)衡狀態(tai) (即推桿、閥(fa)(fa)芯軸系(xi)處於軸向(xiang)(xiang)(xiang)液壓(ya)(ya)力(li)(li)平(ping)衡狀態(tai))。這種(zhong)閥(fa)(fa)因此可(ke)在壓(ya)(ya)力(li)(li)高達 630bar 條(tiao)件下(xia)使用(yong)。

力(li)(li)士(shi)樂(le)(le)M-SEW型(xing)方(fang)向閥(fa)(fa)選型(xing)需(xu)要哪些參數呢？    德國力(li)(li)士(shi)樂(le)(le)M-3SEW電磁閥(fa)(fa)資料(liao)     力(li)(li)士(shi)樂(le)(le)M-3SEW電磁閥(fa)(fa)在(zai)2位3通方(fang)向提升(sheng)閥(fa)(fa)的(de)(de)下(xia)方(fang)連接一個迭(die)加板，即附(fu)加-1板，力(li)(li)士(shi)樂(le)(le)M-3SEW電磁閥(fa)(fa)可用(yong)作2位4通截止式(shi)方(fang)向閥(fa)(fa)。在(zai)使用(yong)過(guo)(guo)程(cheng)(cheng)中(zhong)力(li)(li)士(shi)樂(le)(le)M-3SEW電磁閥(fa)(fa)的(de)(de)運行過(guo)(guo)程(cheng)(cheng)是怎么樣的(de)(de)呢？

力士樂M-3SEW電磁閥初(chu)始位置(zhi)：     主閥沒有運作(zuo)。彈(dan)簧(huang) (9) 使閥芯 (4.1) 保持在閥座(zuo)(zuo)  (11)上。油口P關(guan)閉，油口A與(yu)油口T相連(lian)通(tong)。此(ci)外，從A到控(kong)制(zhi)活塞(12) 的大面積上有一(yi)條(tiao)控(kong)制(zhi)管路，可向(xiang)油箱(xiang)卸荷。經過油口P產(chan)生的壓力這時將球(qiu) (13) 推向(xiang)閥座(zuo)(zuo) (14)。所以油口P與(yu)油口B 連(lian)通(tong)，A 和(he) T 連(lian)通(tong)。

力(li)士樂M-3SEW電磁閥(fa)(fa)過渡位置：     當主(zhu)閥(fa)(fa)工作時，球 (4.2) 被推(tui)動而(er)克(ke)服彈簧力(li) (9)，然後壓在閥(fa)(fa)座 (15) 上(shang)。

三、德國力士樂Rexroth電磁閥型號示例

3DREE 10 P-6X/50YG24K31V

3DREE 16 P-6X/50YG24K31V

3DREE 10 P-6X/100YG24K31V

3DREE 16 P-6X/100YG24K31V

3DREE 10 P-6X/200YG24K31V

3DREE 16 P-6X/200YG24K31V

3DREE 10 P-6X315YG24K31V

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