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主訴VICKERS換向閥DG4V型的基本性能
主訴VICKERS換向閥DG4V型的基本性能美國VICKERS電(dian)(dian)磁閥(fa)里有(you)(you)密閉(bi)的腔(qiang)，在不(bu)同位置(zhi)開(kai)(kai)有(you)(you)通孔(kong)，每個孔(kong)連接不(bu)同的油管，腔(qiang)中(zhong)間是(shi)活塞，兩面是(shi)兩塊電(dian)(dian)磁鐵(tie)(tie)，哪面的磁鐵(tie)(tie)線(xian)圈(quan)通電(dian)(dian)閥(fa)體(ti)就會被吸引到哪邊，通過控制閥(fa)體(ti)的移動來開(kai)(kai)啟或關閉(bi)不(bu)同的排油孔(kong)，而進油孔(kong)是(shi)常開(kai)(kai)的，
主訴VICKERS換向閥DG4V型的基本性能
美國VICKERS電(dian)(dian)磁閥里有密閉(bi)的(de)腔，在不同位置開有通(tong)孔(kong)，每個孔(kong)連接(jie)不同的(de)油(you)(you)管(guan)，腔中間(jian)是活(huo)(huo)塞(sai)，兩面是兩塊(kuai)電(dian)(dian)磁鐵，哪面的(de)磁鐵線圈通(tong)電(dian)(dian)閥體就會被吸引(yin)到(dao)哪邊(bian)，通(tong)過(guo)控制閥體的(de)移動(dong)(dong)(dong)來開啟(qi)或關閉(bi)不同的(de)排油(you)(you)孔(kong)，而進油(you)(you)孔(kong)是常開的(de)，液(ye)壓(ya)油(you)(you)就會進入不同的(de)排油(you)(you)管(guan)，然后通(tong)過(guo)油(you)(you)的(de)壓(ya)力來推動(dong)(dong)(dong)油(you)(you)缸的(de)活(huo)(huo)塞(sai)，活(huo)(huo)塞(sai)又(you)帶動(dong)(dong)(dong)活(huo)(huo)塞(sai)桿，活(huo)(huo)塞(sai)桿帶動(dong)(dong)(dong)機(ji)械裝置。這樣通(tong)過(guo)控制電(dian)(dian)磁鐵的(de)電(dian)(dian)流通(tong)斷就控制了機(ji)械運動(dong)(dong)(dong)
VICKERS換向閥DG4V型的常見故障：
VICKERS換(huan)向閥DG4V型(xing)是利用閥芯在(zai)閥體孔內(nei)作(zuo)(zuo)相(xiang)對(dui)運動，使油(you)路(lu)接通或切斷而(er)改(gai)變(bian)油(you)流(liu)(liu)方向的閥。VICKERS換(huan)向閥DG4V型(xing)是藉(jie)助于(yu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)力(li)和彈(dan)簧(huang)(huang)力(li)的共同(tong)作(zuo)(zuo)用。電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)鐵(tie)(tie)不(bu)得電(dian)(dian)(dian)(dian)(dian)，閥芯在(zai)右(you)端(duan)彈(dan)簧(huang)(huang)的作(zuo)(zuo)用下，處于(yu)左位(wei)(wei)(wei)置（右(you)位(wei)(wei)(wei)），油(you)口p與A通，B不(bu)通；電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)鐵(tie)(tie)得電(dian)(dian)(dian)(dian)(dian)產生(sheng)一個電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)吸力(li)，通過(guo)推桿(gan)推動閥芯右(you)移，則閥左位(wei)(wei)(wei)工(gong)作(zuo)(zuo)，油(you)口p與B通，A不(bu)通。電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)鐵(tie)(tie)可(ke)以是直流(liu)(liu)、交(jiao)流(liu)(liu)或交(jiao)本整(zheng)流(liu)(liu)的。兩位(wei)(wei)(wei)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)閥有(you)彈(dan)簧(huang)(huang)復位(wei)(wei)(wei)式（一個電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)鐵(tie)(tie)）和鋼球定位(wei)(wei)(wei)式（兩個電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)鐵(tie)(tie)）。如(ru)果將(jiang)兩端(duan)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)鐵(tie)(tie)與彈(dan)簧(huang)(huang)對(dui)中機構組合(he)，又可(ke)組成三位(wei)(wei)(wei)的 VICKERS電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci) VICKERS電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)換(huan)向閥，電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)鐵(tie)(tie)得電(dian)(dian)(dian)(dian)(dian)分別為(wei)(wei)左右(you)位(wei)(wei)(wei)，不(bu)得電(dian)(dian)(dian)(dian)(dian)為(wei)(wei)中位(wei)(wei)(wei)（常位(wei)(wei)(wei)）。
VICKERS換(huan)向閥DG4V型的性能：
1.換向平穩性：就是要求換向時壓力 沖擊要小。手動 VICKERS電磁換向閥和電液 VICKERS電磁換向閥可以控制換向時間來減小換向沖擊。
2.換向時間和換向頻率：交流電磁鐵的換向時間約為0.03~0.15s，直流電磁鐵的換向時間約為0.1~0.3s；換行頻率為60~240次/min。
3. 換向可靠性：換向信號發出后閥芯能靈敏地移到工作位置； 換向信號撤除后閥芯能自動復位。同一通徑的電磁閥，機能不同，可靠換向的壓力流量范圍不同，一般用工作極限曲線表示。
4. 壓力損失：包括閥口壓力損失和流道壓力損失。 VICKERS電磁換向閥的壓力損失除與通流量有關，還與閥的機能、閥口流動方向有關，一般不超過1MPa。
5.內泄漏量：滑閥式 VICKERS電磁換向閥為環形間隙密封，工作壓力越高， 內泄漏越大。泄漏不僅帶來功率損失，而且引起油液發熱。因此閥芯與閥體要同心，并要有足夠的封油長度。
VICKERS 換向閥DG4V-33C-MUH760
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主訴VICKERS換向閥DG4V型的基本性能
