| 型 號(hào): | |
| 所屬(shu)分(fen)類(lei): | REXROTH換(huan)向(xiang)閥(fa) |
| 報(bào)(bao) 價(jià): | ![]() |
好消(xiao)息,好消息,本(ben)公(gong)司力士(shi)樂(le)REXROTH換向閥(fa)低價(jià)(jia)處理(li),年底(di)為(wei)了充量(liang)所以(yi)從即(ji)日(ri)起采購(gòu)力(li)士(shi)樂(le)產(chǎn)品壹(yi)律(lv)半價(jià)而(er)且能(neng)保(bao)證產(chǎn)品*!
力士樂(le)REXROTH換向閥(fa)低價(jià)(jia)處理(li)Rexroth手動(dòng)換向閥(fa)主(zhu)要有彈簧復(fù)位(wei)和(he)鋼珠定(ding)位(wei)兩(liang)種(zhong)型(xing)式(shi)。下(xia)圖a所示(shi)為(wei)鋼(gang)球定位(wei)式(shi)三位(wei)四通(tong)手動(dòng)換向閥(fa),用(yong)手(shou)操(cao)縱手(shou)柄(bing)推動(dòng)閥(fa)芯(xin)相(xiang)對(duì)(dui)閥(fa)體移(yi)動(dòng)後,可(ke)以(yi)通(tong)過鋼(gang)球使閥(fa)芯(xin)穩(wěn)(wen)定(ding)在(zai)三個(gè)(ge)不(bu)同(tong)的工(gong)作(zuo)位(wei)置(zhi)上(shang)。力士(shi)樂(le)電磁換向閥(fa)的工(gong)作(zuo)原(yuan)理(li):電磁換向(xiang)閥(fa)工(gong)作(zuo)原(yuan)理(li)是(shi)基(ji)本(ben)相(xiang)同(tong)的?,F(xiàn)(xian)以三位(wei)四通(tong)O型滑閥(fa)機(jī)(ji)能(neng)的電磁(ci)換向(xiang)閥(fa)為(wei)例(li)來(lái)(lai)說明(ming)。如下圖閥(fa)體1內(nèi)有(you)三個(gè)(ge)環(huán)(huan)形(xing)沈割槽(cao),中(zhong)間為進(jìn)(jin)油(you)腔(qiang)P,與其(qi)相(xiang)鄰(lin)的是(shi)工(gong)作(zuo)油(you)腔(qiang)A和(he)B。兩端(duan)還有(you)兩(liang)個(gè)互相(xiang)連通(tong)的回油(you)腔(qiang)T。閥(fa)芯(xin)兩(liang)端(duan)分(fen)別裝(zhuang)有(you)彈簧座(zuo)3、復(fù)位(wei)彈簧4和(he)推桿5,閥(fa)體兩端(duan)各(ge)裝壹(yi)個(gè)電磁(ci)鐵。當(dāng)(dang)兩(liang)端(duan)電磁(ci)鐵都(dou)斷(duan)電時(shí)(shi)下(xia)圖(tu)a,閥(fa)芯(xin)處(chu)於(yu)中間位(wei)置(zhi)。此時(shí)(shi)P、A、B、T各(ge)油(you)腔(qiang)互(hu)不(bu)相(xiang)通(tong);當(dāng)左(zuo)端(duan)電磁(ci)鐵通(tong)電時(shí)(shi)下(xia)圖(tu)b,該電磁鐵(tie)吸合,並(bing)推動(dòng)閥(fa)芯(xin)向(xiang)右移(yi)動(dòng),使P和(he)B連通(tong),A和T連通(tong)。當(dāng)其(qi)斷(duan)電後,右端(duan)復(fù)位(wei)彈簧的作(zuo)用力(li)可(ke)使閥(fa)芯(xin)回到(dao)中間(jian)位(wei)置(zhi),恢復(fù)原(yuan)來(lái)(lai)四個(gè)油(you)腔(qiang)相(xiang)互(hu)封(feng)閉的狀態(tài);當(dāng)(dang)右端(duan)電磁(ci)鐵通(tong)電時(shí)(shi)下(xia)圖(tu)c,其銜鐵將(jiang)通(tong)過推桿推動(dòng)閥(fa)芯(xin)向(xiang)左(zuo)移(yi)動(dòng),P和A相(xiang)通(tong)、B和T相(xiang)通(tong)。電磁(ci)鐵(tie)斷(duan)電,閥(fa)芯(xin)則在左(zuo)彈簧的作(zuo)用下(xia)回到(dao)中間(jian)位(wei)置(zhi)。
廣東(dong)力士樂(le)REXROTH換向閥(fa)低價(jià)(jia)處理(li)Rexroth電磁閥(fa)在(zai)液(ye)路(lu)系統(tǒng)(tong)中(zhong)用(yong)來(lái)(lai)實(shí)現(xiàn)(xian)液路(lu)的通(tong)斷(duan)或液流方(fang)向的改(gai)變,它壹(yi)般(ban)具有(you)壹(yi)個(gè)可以(yi)在線(xian)圈(quan)電(dian)磁力驅(qū)(qu)動(dòng)下滑動(dòng)的閥(fa)芯(xin),閥(fa)芯(xin)在(zai)不(bu)同(tong)的位(wei)置(zhi)時(shí)(shi),電(dian)磁(ci)閥(fa)的通(tong)路(lu)也就(jiu)不(bu)同(tong)。閥(fa)芯(xin)的工(gong)作(zuo)位(wei)置(zhi)有幾個(gè)(ge),該(gai)電(dian)磁閥(fa)就(jiu)叫(jiao)幾位(wei)電(dian)磁閥(fa):閥(fa)體上(shang)的接口(kou),也(ye)就是(shi)電磁(ci)閥(fa)的通(tong)路(lu)數(shù),有(you)幾個(gè)(ge)通(tong)路(lu)口(kou),該(gai)電磁閥(fa)就(jiu)叫(jiao)幾通(tong)電磁(ci)閥(fa)。 電(dian)磁(ci)閥(fa)安裝後,壹(yi)般(ban)所有(you)接口(kou)都(dou)應(yīng)該是(shi)連接(jie)好了的,所謂(wei)工(gong)作(zuo)位(wei)置(zhi)指的是(shi)閥(fa)芯(xin)的位(wei)置(zhi)。閥(fa)芯(xin)在(zai)線(xian)圈(quan)不(bu)通(tong)電時(shí)(shi)處(chu)在(zai)甲(jia)位(wei)置(zhi),在線(xian)圈(quan)通(tong)電時(shí)(shi)處(chu)在(zai)乙位(wei)置(zhi),閥(fa)芯(xin)在(zai)不(bu)同(tong)位(wei)置(zhi)時(shí)(shi),對(duì)(dui)各(ge)接口(kou)起到(dao)或接(jie)通(tong)或封(feng)閉的作(zuo)用。
力(li)士(shi)樂(le)REXROTH換向閥(fa)原(yuan)理(li):它是(shi)壹(yi)種(zhong)直(zhi)動(dòng)和先(xian)導(dǎo)(dao)式(shi)相(xiang)結(jié)合的原(yuan)理(li),當(dāng)入口(kou)與出(chu)口(kou)沒(mei)有壓(ya)差(cha)時(shí)(shi),通(tong)電後,電(dian)磁(ci)力直(zhi)接(jie)把(ba)先(xian)導(dǎo)(dao)小閥(fa)和(he)主(zhu)閥(fa)關(guān)(guan)閉(bi)件(jian)依次向(xiang)上(shang)提起,閥(fa)門(men)打(da)開。當(dāng)入口(kou)與出(chu)口(kou)達(dá)(da)到(dao)啟動(dòng)壓(ya)差(cha)時(shí)(shi),通(tong)電後,電(dian)磁(ci)力先(xian)導(dǎo)(dao)小閥(fa),主(zhu)閥(fa)下(xia)腔(qiang)壓(ya)力(li)上(shang)升,上(shang)腔(qiang)壓(ya)力(li)下降(jiang),從而(er)利用(yong)壓(ya)差(cha)把主閥(fa)向(xiang)上(shang)推開;斷(duan)電時(shí)(shi),先(xian)導(dǎo)(dao)閥(fa)利(li)用(yong)彈簧力(li)或介質(zhì)(zhi)壓(ya)力(li)推動(dòng)關(guān)閉件(jian),向下(xia)移(yi)動(dòng),使閥(fa)門(men)關(guān)(guan)閉(bi)。
REXROTH不(bu)僅(jin)是(shi)世界(jie)*強(qiáng)公(gong)司,也是(shi)世界(jie)較有(you)名(ming)高(gao)科技(ji)企(qi)業(yè)之(zhi)壹(yi),50多(duo)年(nian)來(lái)(lai),Bosch Rexroth集團(tuán)(tuan)的業(yè)務(wù)部(bu)門致力於(yu)開發(fā)專(zhuan)業(yè)型液壓(ya)傳動(dòng)領(lǐng)域(yu)高科技(ji)產(chǎn)(chan)品,其產(chǎn)品和(he)品(pin)牌已(yi)享譽(yù)(yu)。 力士(shi)樂(le)的產(chǎn)品(pin)是(shi)*的,因(yin)為(wei)在(zai)世界(jie)市場(chǎng)(chang)上(shang),目(mu)前沒(mei)有其(qi)他的品牌能(neng)向顧(gu)客(ke)提供所有(you)傳動(dòng)與控制技(ji)術(shù)(shu),專(zhuan)門(men)化與壹(yi)體化並(bing)舉(ju)。
1力士樂(le)電磁閥(fa)電(dian)磁(ci)閥(fa)和(he)全(quan)不(bu)銹鋼;對(duì)(dui)於(yu)強(qiáng)腐(fu)蝕的介 質(zhì)(zhi)必須(xu)選(xuan)用(yong)隔(ge)離(li)膜(mo)片(pian)式(shi)。中(zhong)性介質(zhì)(zhi),也宜(yi)選(xuan)用(yong)銅(tong)合金(jin)為(wei)閥(fa)殼(ke)材(cai)料(liao)的電磁(ci)閥(fa),否則,閥(fa)殼(ke)中(zhong)常(chang)有銹屑(xie)脫落,尤(you)其(qi)是(shi)動(dòng)作(zuo)不(bu)頻繁(fan)的場(chǎng)合。氨(an)用(yong)閥(fa)則不(bu)能采用(yong)銅(tong)材(cai)。
2、爆(bao)炸性(xing)環(huán)(huan)境(jing):必(bi)須(xu)選(xuan)用(yong)相(xiang)應(yīng)(ying)防爆(bao)等級(jí)產(chǎn)品(pin),露天安裝或(huo)粉塵(chen)多(duo)場(chǎng)(chang)合應(yīng)(ying)選(xuan)用(yong)防水,防塵(chen)品(pin)種(zhong)。
3、電(dian)磁(ci)閥(fa)公(gong)稱壓(ya)力(li)應(yīng)超過管(guan)內(nèi)zui高(gao)工(gong)作(zuo)壓(ya)力(li)。
適用性(xing):
1、介質(zhì)(zhi)特(te)性(xing)
1)質(zhì)(zhi)氣,液(ye)態(tài)(tai)或(huo)混合狀態(tài)分(fen)別選(xuan)用(yong)不(bu)同(tong)品種(zhong)的電磁(ci)閥(fa);
2)介質(zhì)(zhi)溫度不(bu)同(tong)規(guī)格(ge)產(chǎn)品,否則線圈(quan)會(huì)(hui)燒掉(diao),密封(feng)件(jian)老(lao)化,嚴(yán)重影響(xiang)壽命命;
3)介質(zhì)(zhi)粘度,通(tong)常(chang)在50cSt以下(xia)。若(ruo)超過此(ci)值(zhi),通(tong)徑(jing)大於(yu)15mm時(shí)(shi),用(yong)多(duo)功能(neng)電磁(ci)閥(fa);通(tong)徑(jing)小於(yu)15mm時(shí)(shi),用(yong)高(gao)粘度電(dian)磁(ci)閥(fa)。
4)介質(zhì)(zhi)清潔度不(bu)高時(shí)(shi)都(dou)應(yīng)在電(dian)磁(ci)閥(fa)前(qian)配(pei)裝(zhuang)反(fan)沖(chong)過濾閥(fa),壓(ya)力(li)低時(shí)(shi),可(ke)選(xuan)用(yong)直(zhi)動(dòng)膜(mo)片(pian)式(shi)電(dian)磁閥(fa);
5)介質(zhì)(zhi)若(ruo)是(shi)定向(xiang)流通(tong),且不(bu)允許(xu)倒(dao)流。
力(li)士樂(le)REXROTH換向閥(fa)低價(jià)(jia)處理(li)常(chang)規(guī)型號(hào)(hao)
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德(de)國(guó)(guo)力(li)士樂(le)電磁換向閥(fa)是(shi)用來(lái)(lai)控制流體的自動(dòng)化基(ji)礎(chǔ)(chu)元(yuan)件(jian),屬於(yu)執(zhí)行器;並(bing)不(bu)限於(yu)液壓(ya),氣(qi)動(dòng)。電磁閥(fa)用(yong)於(yu)控制液(ye)壓(ya)流動(dòng)方向,工(gong)廠的機(jī)(ji)械(xie)裝(zhuang)置(zhi)壹(yi)般(ban)都(dou)由液壓(ya)鋼(gang)控制,所(suo)以就會(huì)(hui)用到(dao)電磁(ci)閥(fa)。