vickers電(dian)磁(ci)閥主要用在電(dian)氣液(ye)壓(ya)伺(si)服系統(tǒng)中(zhong)作為(wei)執(zhí)(zhi)行元件(jian)(見(jiàn)(jian)液(ye)壓(ya)伺(si)服系統(tǒng))。在伺(si)服系統(tǒng)中(zhong)，液壓執(zhí)行機(jī)構(gòu)同(tong)電(dian)氣及(ji)氣動(dòng)(dong)執(zhí)行機(jī)構(gòu)相比，具有(you)快(kuai)速(su)性好(hao)、單位(wei)重(zhong)量(liang)輸出功(gong)率(lv)大(da)、傳(chuan)動(dòng)(dong)平穩(wěn)、抗(kang)幹?jǐn)_能力強(qiáng)(qiang)等(deng)特(te)點(diǎn)。另(ling)壹方(fang)面(mian)，在伺(si)服系統(tǒng)中(zhong)傳遞信號(hào)(hao)和校(xiao)正(zheng)特(te)性(xing)時(shí)(shi)多(duo)用(yong)電(dian)氣元件(jian)。
VICKERS電(dian)磁(ci)閥使用(yong)
VICKERS電(dian)磁(ci)閥出來(lái)(lai)的先(xian)導(dǎo)(dao)油控制(zhi)主換向閥閥芯的(de)移動(dòng)(dong)，使工(gong)作泵的來(lái)(lai)油進(jìn)(jin)入動(dòng)(dong)臂油缸實(shí)(shi)現(xiàn)動(dòng)(dong)臂上(shang)升。比例先(xian)導(dǎo)(dao)減(jian)壓閥的輸出壓(ya)力越大(da)，控(kong)制(zhi)主換向閥閥芯的(de)位(wei)移越大(da)，主換向閥通過(guò)的流(liu)量(liang)越大(da)，動(dòng)(dong)臂上(shang)升的速(su)度越快(kuai)。當(dāng)(dang)操(cao)作手柄拉(la)限(xian)位(wei)置(zhi)時(shí)(shi)，手(shou)柄中(zhong)的限(xian)位(wei)電(dian)磁(ci)鐵通(tong)電(dian)，手柄在極(ji)限(xian)位(wei)置(zhi)被(bei)吸合。動(dòng)(dong)臂以大(da)的(de)速(su)度上(shang)升，當(dāng)升至動(dòng)(dong)臂上(shang)位(wei)限(xian)位(wei)開(kāi)關(guān)(guan)所限(xian)定的位(wei)置(zhi)時(shí)(shi)，操(cao)作手柄限(xian)位(wei)電(dian)磁(ci)鐵斷(duan)電(dian)，手柄自(zi)動(dòng)(dong)恢復(fù)到(dao)中(zhong)位(wei)，動(dòng)(dong)臂就(jiu)可(ke)保持在所限(xian)定的位(wei)置(zhi)。在動(dòng)(dong)臂上(shang)升的過(guò)程中(zhong)，若需要(yao)動(dòng)(dong)臂在某壹位(wei)置(zhi)停(ting)留(liu)，則需將操(cao)作手柄退回中(zhong)位(wei)。
VICKERS電(dian)磁(ci)閥主要用在電(dian)氣液(ye)壓(ya)伺(si)服系統(tǒng)中(zhong)作為(wei)執(zhí)(zhi)行元件(jian)(見(jiàn)(jian)液(ye)壓(ya)伺(si)服系統(tǒng))。在伺(si)服系統(tǒng)中(zhong)，液壓執(zhí)行機(jī)構(gòu)同(tong)電(dian)氣及(ji)氣動(dòng)(dong)執(zhí)行機(jī)構(gòu)相比，具有(you)快(kuai)速(su)性好(hao)、單位(wei)重(zhong)量(liang)輸出功(gong)率(lv)大(da)、傳(chuan)動(dòng)(dong)平穩(wěn)、抗(kang)幹?jǐn)_能力強(qiáng)(qiang)等(deng)特(te)點(diǎn)。另(ling)壹方(fang)面(mian)，在伺(si)服系統(tǒng)中(zhong)傳遞信號(hào)(hao)和校(xiao)正(zheng)特(te)性(xing)時(shí)(shi)多(duo)用(yong)電(dian)氣元件(jian)。因(yin)此(ci)，現(xiàn)代(dai)高(gao)性能(neng)的伺(si)服系統(tǒng)也都采(cai)用電(dian)液方(fang)式，伺(si)服閥就是(shi)這種系統(tǒng)的必(bi)需元件(jian)。
系列(lie)VICKERS電(dian)磁(ci)閥供應(yīng)(ying)公司(si)常(chang)賣(mài)型(xing)號(hào)(hao)如(ru)下：
KDG3V-5-33C80N-E-10-EN55
KDG4V3-2C20N-Z-M-U1-H7-60
KDG4V3-2C28S-M-U-H7-60
KDG4V3-2C28S-Z-VM-U-H7-60
KDG4V3-33C13N-Z-M-U-H7-60
KDG4V3-33C20N-Z-M-U-H7-60
工(gong)作原(yuan)理(li)
電(dian)磁(ci)閥裏有(you)密閉的腔，在不(bu)同(tong)位(wei)置(zhi)開(kāi)有(you)通(tong)孔，每個(gè)(ge)孔連接(jie)不(bu)同(tong)的(de)油管，腔(qiang)中(zhong)間(jian)是活(huo)塞，兩(liang)面(mian)是兩(liang)塊電(dian)磁(ci)鐵，哪面(mian)的磁(ci)鐵線(xiàn)(xian)圈通(tong)電(dian)閥體(ti)就會(huì)(hui)被(bei)吸引(yin)到(dao)哪邊(bian)，通(tong)過(guò)控制(zhi)閥體(ti)的移動(dòng)(dong)來(lái)(lai)開(kāi)啟(qi)或(huo)關(guān)(guan)閉不同(tong)的(de)排(pai)油孔，而進(jìn)(jin)油孔是(shi)常(chang)開(kāi)的(de)，液壓(ya)油就會(huì)(hui)進(jìn)(jin)入不(bu)同(tong)的(de)排(pai)油管，然(ran)後(hou)通過(guò)油的壓(ya)力來(lái)(lai)推動(dòng)(dong)油缸的(de)活(huo)塞，活(huo)塞又(you)帶動(dòng)(dong)活(huo)塞桿(gan)，活(huo)塞桿(gan)帶動(dòng)(dong)機(jī)械(xie)裝(zhuang)置。這樣通過(guò)控制(zhi)電(dian)磁(ci)鐵的(de)電(dian)流通(tong)斷(duan)就控制(zhi)了機(jī)械(xie)運(yùn)動(dòng)(dong)。
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