產(chǎn)品詳情
pall濾芯安裝濾油器在液壓系統(tǒng)中的五種安裝位置:
(1)pall濾芯要裝在泵的吸油口處: 泵的吸油路上一般都安裝有表面型濾油器,目的是濾去較大的雜質(zhì)微粒以保護(hù)液壓泵,此外濾油器的過濾能力應(yīng)為泵流量的兩倍以上,壓力損失小于0.02MPa。
(2)pall濾芯安裝在泵的出口油路上: 此處安裝濾油器的目的是用來濾除可能侵入閥類等元件的污染物。其過濾精度應(yīng)為10~15μm,且能承受油路上的工作壓力和沖擊壓力,壓力降應(yīng)小于0.35MPa。同時應(yīng)安裝 安全閥以防濾油器堵塞。
(3)pall濾芯安裝在系統(tǒng)的回油路上:這種安裝起間接過濾作用。一般與過濾器并連安裝一背壓閥,當(dāng)過濾器堵塞達(dá)到一定壓力值時,背壓閥打開。
(4)pall濾芯安裝在系統(tǒng)分支油路上。
(5)pall濾芯單獨(dú)過濾系統(tǒng):大型液壓系統(tǒng)可專設(shè)一液壓泵和濾油器組成獨(dú)立過濾回路。 pall濾芯液壓系統(tǒng)中除了整個系統(tǒng)所需的濾油器外,還常常在一些重要元件(如伺服閥、精密節(jié)流閥等)的前面單獨(dú)安裝一個專用的精濾油器來確保它們的正常工作。
液壓油濾芯是用在液壓油系統(tǒng)中過濾固體雜質(zhì)的,液壓系統(tǒng)在工作過程中難免會從外部進(jìn)入一些微小的雜質(zhì),同時系統(tǒng)在運(yùn)作中內(nèi)部也會產(chǎn)生一些雜質(zhì),液壓油濾芯的作用就凸顯于此。液壓油濾芯主要安裝部位有吸油路、壓力油路、回油管路、旁路、以及單獨(dú)的過濾系統(tǒng),各個不同位置使用的液壓油濾芯是不同的,因此在通過廠家購買是一定要溝通確認(rèn)好需要更換液壓油濾芯的位置。
在液壓系統(tǒng)設(shè)備運(yùn)行中,要注意經(jīng)常檢查泵進(jìn)口吸油負(fù)壓表和過濾器壓力表,當(dāng)吸油負(fù)壓<-0.2Mpa(或吸不上油時),就應(yīng)該對液壓油濾芯進(jìn)行清洗,如果發(fā)現(xiàn)濾網(wǎng)破漏時需要更換。當(dāng)精過濾器壓差達(dá)到0.15MPa時就應(yīng)該更換其新的液壓油濾芯。以下是更換液壓油濾芯的簡單步驟:
1、停車并割斷電源;
2、封鎖各油口閥門;
3、打開精過濾器下部的排放口,打開頂部的放氣閥門,將過濾器殼體內(nèi)油液排放干凈;
4、打開精過濾器上蓋并取出舊濾芯;
5、清洗過濾器全部;
6、安裝新濾芯,注意清潔干凈。
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