伺服閥力士樂(lè)4WRPEH6C4B24L-2X/G24K0/A1M現(xiàn)貨
現(xiàn)貨0811404612伺服閥力士樂(lè)4WRPEH6C4B24L-2X/G24K0/A1M
武穴黎翔專(zhuān)業(yè)代理德國(guó)力士樂(lè)全系列產(chǎn)品， 專(zhuān)注原裝全新力士樂(lè) ，大量現(xiàn)貨，假一罰萬(wàn)，力士樂(lè)好價(jià)格??！歡迎詢(xún)價(jià)??！
經(jīng)營(yíng)產(chǎn)品：
閥類(lèi)：電磁閥、換向閥、單向閥、溢流閥、減壓閥、平衡
閥、插裝閥、比例閥等
泵類(lèi)：齒輪泵、柱塞泵、葉片泵等
承諾：保證原裝正品，假一賠十 量大價(jià)格好商量！！
武穴黎翔機(jī)電設(shè)備有限公司REXROTH力士樂(lè)銷(xiāo)售部
詢(xún)價(jià)聯(lián)系人：陳工
詢(xún)價(jià)熱線： 0713-8529058，18995766168
詢(xún)價(jià)QQ: 1477538929， 2593165857
歡迎您的來(lái)電！
傳真：0713-6542758
廣泛應(yīng)用于鋼鐵、冶金、鋁行業(yè)、石油化工、航天、船舶制造、煤炭、水泥、電力、汽車(chē)、工程機(jī)械、食品、藥業(yè)、林業(yè)、紡織、皮革、造紙等行業(yè)領(lǐng)域
力士樂(lè)伺服閥的工作原理：Rexroth伺服閥由永磁力矩馬達(dá)、噴嘴、檔板、閥芯、閥套和控制腔組成(見(jiàn)圖)。當(dāng)輸入線圈通入電流 伺服閥時(shí)，檔板向右移動(dòng)，使右邊噴嘴的節(jié)流作用加強(qiáng)，流量減少，右側(cè)背壓上升；同時(shí)使左邊噴嘴節(jié)流作用減小，流量增加，左側(cè)背壓下降。閥芯兩端的作用力失去平衡, 閥芯遂向左移動(dòng)。高壓油從S流向C2，送到負(fù)載。負(fù)載回油通過(guò) C1流過(guò)回油口，進(jìn)入油箱。閥芯的位移量與力矩馬達(dá)的輸入電流成正比，作用在閥芯上的液壓力與彈簧力相平衡，因此在平衡狀態(tài)下力矩馬達(dá)的差動(dòng)電流與閥芯的位移成正比。如果輸入的電流反向，則流量也反向。表中是伺服閥的分類(lèi)。
力士樂(lè)伺服閥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，力士樂(lè)伺服閥就是這種系統(tǒng)的必需元件。力士樂(lè)伺服閥結(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。
力士樂(lè)伺服電磁閥4WRPH系列
直控式，帶電氣位置反饋，帶內(nèi)置放大器
通徑：6 和 10
2X系列
最高工作壓力350 bar
6通徑最大流量40 L/min
10通徑最大流量1000L/min
4WRPEH10
2X系列
最大工作壓力315bar
最大流量100L/min(△p =70bar)
特點(diǎn)
－10通徑直動(dòng)式比例伺服方向控制閥，采用帶有伺服閥性能的閥芯閥套結(jié)構(gòu)
－具有安全位置的4位4通結(jié)構(gòu)，電磁鐵單邊驅(qū)動(dòng)，斷電時(shí)處于安全位置
－帶有電氣位移反饋的高頻響比例電磁鐵
－集成數(shù)字式控制器，CPU采用32位高速處理器，最優(yōu)化的PID位置控制算法
－差分指令信號(hào)輸入，A1型為0…±10V，F(xiàn)1型為4…20mA
－適用于控制精度要求高的電液伺服控制系統(tǒng)
－底板安裝，安裝面按DIN24 340 A型，ISO 4401和CETOP-RP 121 H
－電氣連接為6P+PE
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