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REXROTH直動式比例方向閥技術介紹
力士樂直動式比例方向閥分為4WRA、4WRAE 、4WRBA、4WRBAE、4WRE、4WREE 4WREEM KKDS 等系列。
REXROTH直動(dong)式(shi)(shi)(shi)比例溢(yi)流(liu)(liu)閥(fa)的(de)(de)(de)內泄(xie)露(lu)量是指(zhi)(zhi)在規定(ding)(ding)的(de)(de)(de)工作(zuo)(zuo)條件(jian)下，處于各個不同工作(zuo)(zuo)位(wei)(wei)置時，從高壓腔到(dao)(dao)低壓腔的(de)(de)(de)泄(xie)露(lu)量。4，使用(yong)壽命電(dian)磁(ci)閥(fa)使用(yong)到(dao)(dao)主要零部件(jian)損(sun)壞，不能(neng)進行(xing)正(zheng)常的(de)(de)(de)換(huan)向(xiang)和(he)復(fu)(fu)位(wei)(wei)動(dong)作(zuo)(zuo)，或者使用(yong)到(dao)(dao)其(qi)主要性能(neng)指(zhi)(zhi)標明顯惡化(hua)超(chao)過了規定(ding)(ding)指(zhi)(zhi)標所經歷的(de)(de)(de)換(huan)向(xiang)次數。5，換(huan)向(xiang)性能(neng)在規定(ding)(ding)的(de)(de)(de)工作(zuo)(zuo)條件(jian)下，電(dian)磁(ci)閥(fa)通電(dian)后能(neng)否可(ke)靠地換(huan)向(xiang)，斷電(dian)后能(neng)否可(ke)靠地復(fu)(fu)位(wei)(wei)。 按其(qi)所配電(dian)磁(ci)鐵(tie)的(de)(de)(de)結(jie)構形(xing)式(shi)(shi)(shi)可(ke)分(fen)為(wei)干式(shi)(shi)(shi)和(he)濕式(shi)(shi)(shi)，每一類(lei)又有(you)交(jiao)流(liu)(liu)、直流(liu)(liu)、本整等形(xing)式(shi)(shi)(shi)，而(er)且所需(xu)電(dian)源電(dian)壓又有(you)好多種，因(yin)而(er)在其(qi)結(jie)構上(shang)存在很多差別；電(dian)磁(ci)換(huan)向(xiang)閥(fa)的(de)(de)(de)品種繁多，按其(qi)工作(zuo)(zuo)位(wei)(wei)置數和(he)通路數的(de)(de)(de)多少可(ke)分(fen)為(wei)二位(wei)(wei)三通、二位(wei)(wei)四通、三位(wei)(wei)四通等；按其(qi)復(fu)(fu)位(wei)(wei)和(he)定(ding)(ding)位(wei)(wei)形(xing)式(shi)(shi)(shi)可(ke)分(fen)為(wei)彈(dan)簧復(fu)(fu)位(wei)(wei)式(shi)(shi)(shi)、鋼球定(ding)(ding)位(wei)(wei)式(shi)(shi)(shi)、無復(fu)(fu)位(wei)(wei)彈(dan)簧式(shi)(shi)(shi)；按其(qi)閥(fa)體與電(dian)磁(ci)鐵(tie)的(de)(de)(de)連接形(xing)式(shi)(shi)(shi)可(ke)分(fen)為(wei)法蘭連接和(he)螺紋連接。
常(chang)用(yong)的REXROTH比例(li)方向閥型號：
0811404642 4WRPEH 6 C3 B15P-2X/G24K0/A1M
R901266764 4WRPEH 6 C3 B15P-2X/G24K0/A1V
0811404626 4WRPEH 6 C3 B15P-2X/G24K0/B5M
R901153461 4WRPEH 6 C3 B15P-2X/G24K0/F1M
0811404602 4WRPEH 6 C3 B24L-2X/G24K0/A1M
0811404622 4WRPEH 6 C3 B24L-2X/G24K0/B5M
0811404633 4WRPEH 6 C3 B24L-2X/G24K0/F1M
0811404643 4WRPEH 6 C3 B25P-2X/G24K0/A1M
0811404635 4WRPEH 6 C3 B25P-2X/G24K0/B5M
0811A04603 4WRPEH 6 C3 B40L 2X G24 K0 A1M
0811404603 4WRPEH 6 C3 B40L-2X/G24K0/A1M
0811404735 4WRPEH 6 C3 B40L-2X/G24K0/B5M
0811404634 4WRPEH 6 C3 B40L-2X/G24K0/F1M
0811404644 4WRPEH 6 C3 B40P-2X/G24K0/A1M
0811404637 4WRPEH 6 C3 B40P-2X/G24K0/B5M
0811404641 4WRPEH 6 C4 B02L-2X/G24K0/A1M
0811404610 4WRPEH 6 C4 B04L-2X/G24K0/A1M
0811404350 4WRPEH 6 C4 B04L-2X/G24K0/F1M
0811404611 4WRPEH 6 C4 B12L-2X G24 K0/A1M
REXROTH直(zhi)動(dong)式比例溢(yi)流閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)工作原理(li)，電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)里有密(mi)閉的(de)(de)腔(qiang)，在的(de)(de)不(bu)(bu)(bu)同(tong)(tong)(tong)位(wei)置(zhi)開(kai)有通(tong)(tong)(tong)孔，每(mei)個孔都通(tong)(tong)(tong)向不(bu)(bu)(bu)同(tong)(tong)(tong)的(de)(de)油(you)(you)管，腔(qiang)中(zhong)間(jian)是(shi)(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)，兩面是(shi)(shi)兩塊(kuai)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)，哪(na)面的(de)(de)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)線(xian)圈通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)就會被(bei)吸引到哪(na)邊，通(tong)(tong)(tong)過控(kong)(kong)(kong)制(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)的(de)(de)移(yi)(yi)動(dong)來檔住(zhu)或漏出不(bu)(bu)(bu)同(tong)(tong)(tong)的(de)(de)排(pai)油(you)(you)的(de)(de)孔，而(er)進(jin)油(you)(you)孔是(shi)(shi)常開(kai)的(de)(de)，液(ye)壓(ya)油(you)(you)就會進(jin)入不(bu)(bu)(bu)同(tong)(tong)(tong)的(de)(de)排(pai)油(you)(you)管，然(ran)后通(tong)(tong)(tong)過油(you)(you)的(de)(de)壓(ya)力來推動(dong)油(you)(you)剛的(de)(de)活塞(sai)，活塞(sai)又(you)(you)帶動(dong)活塞(sai)桿(gan)，活塞(sai)竿帶動(dong)機(ji)械裝置(zhi)動(dong)。這樣通(tong)(tong)(tong)過控(kong)(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)的(de)(de)電(dian)(dian)(dian)(dian)(dian)流就控(kong)(kong)(kong)制(zhi)了(le)機(ji)械運動(dong)。縱(zong)觀國內(nei)外電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)，到目前為(wei)(wei)止，從(cong)動(dong)作方式上可(ke)分(fen)(fen)為(wei)(wei)三大類即(ji)：直(zhi)動(dong)式、反(fan)沖式、先導式，而(er)從(cong)閥(fa)(fa)(fa)(fa)(fa)(fa)瓣結構和材(cai)料上的(de)(de)不(bu)(bu)(bu)同(tong)(tong)(tong)以(yi)及(ji)原理(li)上的(de)(de)區別反(fan)沖式又(you)(you)可(ke)分(fen)(fen)為(wei)(wei)：膜片(pian)式反(fan)沖電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)、活塞(sai)式反(fan)沖電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)；先導式又(you)(you)可(ke)分(fen)(fen)為(wei)(wei)：先導式膜片(pian)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)、先導式活塞(sai)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)；從(cong)閥(fa)(fa)(fa)(fa)(fa)(fa)座及(ji)密(mi)封(feng)材(cai)料上分(fen)(fen)又(you)(you)可(ke)分(fen)(fen)為(wei)(wei)： REXROTH直(zhi)動(dong)式比例溢(yi)流閥(fa)(fa)(fa)(fa)(fa)(fa)采用(yong)濕(shi)式交流或直(zhi)流電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)。該閥(fa)(fa)(fa)(fa)(fa)(fa)是(shi)(shi)通(tong)(tong)(tong)過電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)控(kong)(kong)(kong)制(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)芯的(de)(de)不(bu)(bu)(bu)同(tong)(tong)(tong)工作位(wei)置(zhi)。當電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)斷電(dian)(dian)(dian)(dian)(dian)時(shi)(shi)，閥(fa)(fa)(fa)(fa)(fa)(fa)芯靠彈簧壓(ya)力保(bao)持在中(zhong)間(jian)或終端位(wei)（脈沖式閥(fa)(fa)(fa)(fa)(fa)(fa)除外）。電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)，閥(fa)(fa)(fa)(fa)(fa)(fa)芯被(bei)推到工作位(wei)置(zhi)上，斷電(dian)(dian)(dian)(dian)(dian)后又(you)(you)恢復到初始狀態。這時(shi)(shi)用(yong)手推動(dong)故障檢(jian)查按(an)鈕可(ke)使閥(fa)(fa)(fa)(fa)(fa)(fa)芯移(yi)(yi)動(dong)。由(you)于(yu)濕(shi)式電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)內(nei)部與(yu)回油(you)(you)腔(qiang)相(xiang)通(tong)(tong)(tong)，這樣銜鐵(tie)(tie)(tie)油(you)(you)里移(yi)(yi)動(dong)，可(ke)以(yi)減少(shao)磨損、緩沖，并(bing)且提高了(le)散熱性能，提高了(le)使用(yong)壽命。交流電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)具(ju)有動(dong)作時(shi)(shi)間(jian)短(duan)，電(dian)(dian)(dian)(dian)(dian)氣控(kong)(kong)(kong)制(zhi)線(xian)路簡單(dan)，不(bu)(bu)(bu)需特(te)殊的(de)(de)觸頭保(bao)護(hu)等特(te)點。直(zhi)流電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)是(shi)(shi)切換(huan)特(te)性軟，動(dong)作頻率高，對過載或低電(dian)(dian)(dian)(dian)(dian)壓(ya)反(fan)應不(bu)(bu)(bu)敏感，工作可(ke)靠。WE型(xing)換(huan)向閥(fa)(fa)(fa)(fa)(fa)(fa)是(shi)(shi)由(you)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)鐵(tie)(tie)(tie)控(kong)(kong)(kong)制(zhi)的(de)(de)滑(hua)閥(fa)(fa)(fa)(fa)(fa)(fa)式換(huan)向閥(fa)(fa)(fa)(fa)(fa)(fa)，它主(zhu)要用(yong)于(yu)控(kong)(kong)(kong)制(zhi)液(ye)體(ti)(ti)的(de)(de)通(tong)(tong)(tong)斷和流動(dong)方向。
REXROTH直動式比例方向閥技術介紹
