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VICKERS電(dian)磁閥(fa)對(dui)不幹凈介(jie)質(zhi)的(de)調(tiao)節(jie)或(huo)者即(ji)使(shi)是(shi)幹(gan)凈介(jie)質(zhi),管(guan)道(dao)中(zhong)的(de)焊(han)渣等(deng)雜物都(dou)可能(neng)造(zao)成閥(fa)堵(du)塞(sai)或(huo)被(bei)卡(ka)住(zhu),因此(ci)要求(qiu)閥(fa)應有(you)較(jiao)好(hao)的(de)防(fang)堵(du)功(gong)能(neng),使(shi)之正(zheng)常調(tiao)節(jie)。防(fang)堵(du)性(xing)好(hao)的(de)是(shi)流路(lu)簡單的單座(zuo)角(jiao)閥(fa)和旋轉類閥(fa),如(ru)球(qiu)閥(fa)、蝶(die)閥(fa)、偏心閥;流路(lu)復(fu)雜的閥、上下(xia)襯(chen)套(tao)導(dao)向(xiang)的閥(fa),迷(mi)宮式多級降(jiang)壓(ya)閥(fa)易(yi)造(zao)成堵(du)卡(ka)。VICKERS電(dian)液控換向(xiang)閥DG4V-3現(xian)貨(huo)熱賣
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VICKERS電(dian)液控換向(xiang)閥DG4V-3現(xian)貨(huo)熱賣
我司(si)銷(xiao)售的威(wei)格(ge)士(shi)電(dian)磁換向(xiang)閥是(shi)專(zhuan)門(men)從(cong)原(yuan)廠走貨銷(xiao)售的,*保證(zheng)。
美(mei)國(guo)威(wei)格(ge)士(shi)VICKERS電(dian)液控換向(xiang)閥性(xing)能(neng)及參(can)數(shu)如(ru)下(xia):
DG3V-5, 10系(xi)列(lie),液(ye)控(kong)
DG5V-5, 10/20系列(lie),電(dian)液控制ISO4401-05-05-0-94
基本特(te)性(xing)zui gao工(gong)作(zuo)
壓(ya)....... .... 315 bar (4567 psi)zui gao壓(ya)力(li)下(xia)的(de)
大(da)流量......60. L/min (42 US gpm)概(gai)述(shu)
這(zhe)種(zhong)閥用來控(kong)制(zhi)油(you)液(ye)流動(dong)的(de)起(qi)動(dong)、停止(zhi)和方向(xiang)。
兩種(zhong)控制(zhi)型式有(you)貨:
-液(ye)壓(ya)先(xian)導(dao)壓(ya)力(li)型(DG3V-5型)
-內(nei)裝電(dian)磁先(xian)導(dao)閥(fa)(DG5V-5型)包(bao)括(kuo)彈簧偏(pian)置、彈簧對(dui)中(zhong)和帶定(ding)位(wei)種(zhong)類。先(xian)導(dao)壓(ya)力(li)和泄油(you)可為內(nei)部(bu)或(huo)外部(bu)連(lian)接(jie)獨立配置(zhi)。
全(quan)部(bu)的(de)閥(fa)芯(xin)型式均(jun)設(she)計(ji)成能(neng)提(ti)供良(liang)好(hao)小(xiao)沖(chong)擊、快響應特(te)性(xing),該(gai)特(te)性(xing)可采用控制(zhi)主閥(fa)芯(xin)移動(dong)速度的可選液挖(wa)阻尼(ni)板選(xuan)項加以增強。
威(wei)格(ge)士(shi)換向(xiang)閥現(xian)貨(huo)分享(xiang)型號:
DG4V 3 2N M U H7 60 DG4V 3 6C M P2 V7 54
DG4V 3 6C MUH560 DG4V 3 OB MUH560
DG4V 3S 22B M U H5 60 DG4V 5 6CJ VMU H6 20
DG4V-2-2A-M-U-H6-60 DG4V-3-0B-M-U-H-7-60
DG4V-3-0C-M-U-H7-60 DG4V-3-22AL-M-U-H7-60
DG4V-3-2AL-M-U-H7-60 DG4V-3-2AL-VM-S6-U-H7-60
DG4V-3-2AL-VM-S6-U-H7-60 DG4V-3-2A-M-U-D6-60
DG4V-3-2A-M-U-H7-60 DG4V-3-2A-M-U-H7-60-P10
DG4V-3-2A-VM-U-A6-60 DG4V-3-2A-VM-U-S7-60
DG4V-3-2BL-M-U-H7-60 DG4V-3-2C-M-P7-T-7-50
DG4V-3-2C-M-U-C6-60 DG4V-3-2C-M-U-H7-60
DG4V-3-2N-M-U-H7-60 DG4V-3-2N-VM-U-H7-60
DG4V-3-33C-M-U-H7-60 DG4V-3-3N-M-U-H7-60
DG4V-3-6C-M-U-D6-60 DG4V-3-6C-M-U-H6-60
DG4V-3-6C-M-U-H7-60 DG4V-3-6C-VM-U-H7-60
DG4V-3-OB-M-FPA5W-H7-60 DG4V-3-OB-M-FPA5WL-H7-60
DG4V-3S-22AL-M-U-H5-60 DG4V-3S-2A207-M-U-HH5-60
DG4V-3S-2A-VM-U-H7-60-P10 DG4V-3S-2A-VM-U-L-H5-60 VICKERS電(dian)液控換向(xiang)閥DG4V-3現(xian)貨(huo)熱賣
VICKERS電(dian)磁閥(fa)(又是(shi)安(an)全閥)的(de)主閥(fa)按(an)配合(he)形(xing)式不同(tong)可分為三級同(tong)心(xin)、二級同(tong)心(xin)和滑閥(fa)式三類.其中(zhong)滑閥(fa)式結構(gou)工(gong)作(zuo)壓(ya)力(li)低(di),控制壓(ya)力(li)精度不高;三級同(tong)心(xin)結構(gou)雖(sui)成(cheng)熟,應用較(jiao)廣,但與(yu)二級同(tong)心(xin)式比(bi)較(jiao),不及二級同(tong)心(xin)式動(dong)作(zuo)靈(ling)敏(min),規(gui)格(ge)相(xiang)同(tong),行(xing)程相(xiang)同(tong)時(shi),二級同(tong)心(xin)結構(gou)的(de)通(tong)油(you)能(neng)力(li)遠大(da)於(yu)三級同(tong)心(xin)結構(gou);二級同(tong)心(xin)式控(kong)制(zhi)壓(ya)力(li)穩定(ding),加(jia)工(gong)工(gong)藝性(xing)好(hao),二級同(tong)心(xin)式應用前景廣闊(kuo),這裏(li)以(yi)二級同(tong)心(xin)結構(gou),討(tao)論其結構(gou)尺(chi)寸設(she)計(ji)方法(fa).
VICKERS電(dian)磁閥(fa)出(chu)來的先(xian)導(dao)油(you)控(kong)制主換向(xiang)閥閥(fa)芯(xin)的(de)移動(dong),使(shi)工作(zuo)泵(beng)的(de)來(lai)油(you)進(jin)入(ru)動臂油(you)缸實現(xian)動(dong)臂上升。比(bi)例(li)先(xian)導(dao)減(jian)壓(ya)閥(fa)的輸(shu)出(chu)壓(ya)力(li)越大,控制(zhi)主換向(xiang)閥閥(fa)芯(xin)的(de)位移越大,主換向(xiang)閥通(tong)過的流量越大,動臂(bi)上升的速度越快。當操(cao)作(zuo)手(shou)柄拉*限(xian)位置(zhi)時,手(shou)柄中(zhong)的(de)限(xian)位電(dian)磁鐵(tie)通(tong)電(dian),手(shou)柄在(zai)極(ji)限位(wei)置被(bei)吸合(he)。動臂(bi)以大的速度上升,當升至動(dong)臂上位(wei)限(xian)位(wei)開(kai)關(guan)所限定(ding)的(de)位(wei)置(zhi)時,操(cao)作(zuo)手(shou)柄限(xian)位(wei)電(dian)磁鐵(tie)斷(duan)電(dian),手(shou)柄自動恢復(fu)到(dao)中(zhong)位(wei),動(dong)臂就可保持在(zai)所限定(ding)的(de)位(wei)置(zhi)。在動臂上升的過程中(zhong),若需(xu)要動(dong)臂在某壹位置(zhi)停(ting)留(liu),則(ze)需(xu)將操(cao)作(zuo)手(shou)柄退(tui)回(hui)中(zhong)位(wei)。
VICKERS電(dian)磁閥(fa)主要(yao)用在電(dian)氣液壓(ya)伺(si)服(fu)系統(tong)中(zhong)作(zuo)為(wei)執(zhi)行(xing)元(yuan)件(jian)(見(jian)液(ye)壓(ya)伺(si)服(fu)系統(tong))。在伺(si)服(fu)系統(tong)中(zhong),液(ye)壓(ya)執(zhi)行機(ji)構(gou)同(tong)電(dian)氣及氣(qi)動執行(xing)機(ji)構(gou)相(xiang)比(bi),具(ju)有(you)快速性(xing)好(hao)、單位重量輸(shu)出(chu)功率大(da)、傳(chuan)動平(ping)穩、抗(kang)幹擾能(neng)力(li)強等(deng)特(te)點。另(ling)壹方面,在伺(si)服(fu)系統(tong)中(zhong)傳(chuan)遞(di)信號(hao)和校正特(te)性(xing)時(shi)多用電(dian)氣元(yuan)件(jian)。因(yin)此(ci),現(xian)代(dai)高性(xing)能(neng)的伺服(fu)系統(tong)也(ye)都(dou)采用電(dian)液方式,伺(si)服(fu)閥就是(shi)這(zhe)種(zhong)系統(tong)的必(bi)需(xu)元(yuan)件(jian)
VICKERS電(dian)磁閥(fa)主要(yao)用在電(dian)氣液壓(ya)伺(si)服(fu)系統(tong)中(zhong)作(zuo)為(wei)執(zhi)行(xing)元(yuan)件(jian)(見(jian)液(ye)壓(ya)伺(si)服(fu)系統(tong))。在伺(si)服(fu)系統(tong)中(zhong),液(ye)壓(ya)執(zhi)行機(ji)構(gou)同(tong)電(dian)氣及氣(qi)動執行(xing)機(ji)構(gou)相(xiang)比(bi),具(ju)有(you)快速性(xing)好(hao)、單位重量輸(shu)出(chu)功率大(da)、傳(chuan)動平(ping)穩、抗(kang)幹擾能(neng)力(li)強等(deng)特(te)點。另(ling)壹方面,在伺(si)服(fu)系統(tong)中(zhong)傳(chuan)遞(di)信號(hao)和校正特(te)性(xing)時(shi)多用電(dian)氣元(yuan)件(jian)。因(yin)此(ci),現(xian)代(dai)高性(xing)能(neng)的伺服(fu)系統(tong)也(ye)都(dou)采用電(dian)液方式,伺(si)服(fu)閥就是(shi)這(zhe)種(zhong)系統(tong)的必(bi)需(xu)元(yuan)件(jian)。
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