東京計(jì)器伺服閥DG4VS-5-0A-M-P71-H-7-40廣泛運(yùn)用于汽輪機(jī)注塑機(jī)、壓鑄機(jī)、印刷機(jī)和滾型機(jī)等一般的液壓應(yīng)用領(lǐng)域。在包裝和汽車(chē)行業(yè)，RKP泵是用在生產(chǎn)塑料和金屬零件的設(shè)備上。同時(shí)，RKP泵也廣泛應(yīng)用在測(cè)試、建筑、橡膠成型設(shè)備和礦業(yè)領(lǐng)域。
東京計(jì)器伺服閥DG4VS-5-0A-M-P71-H-7-40是在伺服系統(tǒng)中將電信號(hào)輸入轉(zhuǎn)換為功率較大的壓力或流量壓力信號(hào)輸出的執(zhí)行元件。它是一種電液轉(zhuǎn)換和功率放大元件。伺服閥的靈敏度高，快速性好，能將很小的電信號(hào)(例如10毫安)轉(zhuǎn)換成很大的液壓功率(如幾十匹馬力以上)，可以驅(qū)動(dòng)多種類(lèi)型的負(fù)載。過(guò)去人們?cè)褔娮鞕n板閥、射流管或滑閥伺服馬達(dá)等液壓放大裝置都列入伺服閥范圍內(nèi)。20世紀(jì)70年代以來(lái)，伺服閥一般僅指電液伺服閥。
東京計(jì)器伺服閥DG4VS-5-0A-M-P71-H-7-40的原理：
東京計(jì)器伺服閥DG4VS-5-0A-M-P71-H-7-40主要用在電氣液壓伺服系統(tǒng)中作為執(zhí)行元件(見(jiàn)液壓伺服系統(tǒng))。在伺服系統(tǒng)中，液壓執(zhí)行機(jī)構(gòu)同電氣及氣動(dòng)執(zhí)行機(jī)構(gòu)相比，具有快速性好、單位重量輸出功率大、傳動(dòng)平穩(wěn)、抗干擾能力強(qiáng)等特點(diǎn)。另一方面，在伺服系統(tǒng)中傳遞信號(hào)和校正特性時(shí)多用電氣元件。因此，現(xiàn)代高性能的伺服系統(tǒng)也都采用電液方式，伺服閥就是這種系統(tǒng)的必需元件。
東京計(jì)器伺服閥DG4VS-5-0A-M-P71-H-7-40結(jié)構(gòu)比較復(fù)雜，造價(jià)高，對(duì)油的質(zhì)量和清潔度要求高。新型的伺服閥正試圖克服這些缺點(diǎn)，例如利用電致伸縮元件的伺服閥，使結(jié)構(gòu)大為簡(jiǎn)化。另一個(gè)方向是研制特殊的工作油(如電氣粘性油)。這種工作油能在電磁的作用下改變粘性系數(shù)。利用這一性質(zhì)就可通過(guò)電信號(hào)直接控制油流。東京計(jì)器伺服閥S30FOFH4VAL現(xiàn)貨
東京計(jì)器伺服閥DG4VS-5-0A-M-P71-H-7-40現(xiàn)貨
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