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壓力繼電器的使用方法

發布日期:2021-11-22| 瀏覽:

  壓力(li)繼(ji)電(dian)器(qi)的(de)使用方法是什么?壓力(li)繼(ji)電(dian)器(qi)的(de)作(zuo)用便是有(you)一種(zhong)保護的(de)作(zuo)用,可以控制實行元件的(de)次(ci)第(di)動作(zuo),下(xia)面是儀器(qi)儀表(biao)網給我們敘述的(de)各自的(de)用法。

  要用于保護時(shi),將壓(ya)力繼電(dian)(dian)器(qi)(qi)(qi)設置在(zai)夾(jia)(jia)(jia)緊液(ye)壓(ya)缸的(de)(de)一端(duan)(duan),液(ye)壓(ya)泵發起后,要將工(gong)件夾(jia)(jia)(jia)緊,此時(shi)夾(jia)(jia)(jia)緊液(ye)壓(ya)缸的(de)(de)右(you)腔壓(ya)力增加(jia),當增加(jia)到壓(ya)力繼電(dian)(dian)器(qi)(qi)(qi)的(de)(de)調定值(zhi)時(shi),壓(ya)力繼電(dian)(dian)器(qi)(qi)(qi)動(dong)(dong)作,電(dian)(dian)信號(hao)使2YA通電(dian)(dian),所以切(qie)削液(ye)壓(ya)缸進(jin)刀切(qie)削。在(zai)加(jia)工(gong)期(qi)間,壓(ya)力繼電(dian)(dian)器(qi)(qi)(qi)微動(dong)(dong)開(kai)關的(de)(de)常(chang)開(kai)觸點一直閉合(he)。若工(gong)件沒(mei)有夾(jia)(jia)(jia)緊,壓(ya)力繼電(dian)(dian)器(qi)(qi)(qi)2斷開(kai),所以2YA斷電(dian)(dian),切(qie)削液(ye)壓(ya)缸當即(ji)間斷進(jin)刀,然后防止工(gong)件未夾(jia)(jia)(jia)緊被切(qie)削而出(chu)事端(duan)(duan)。智能溫(wen)控儀,高溫(wen)測濕變送器(qi)(qi)(qi),羅卓(zhuo)尼克(ke)溫(wen)濕度(du)變送器(qi)(qi)(qi)HF532-WB,不銹鋼電(dian)(dian)熱管,PT100熱電(dian)(dian)阻感(gan)應探頭,紅(hong)外線測溫(wen)儀,溫(wen)濕度(du)傳感(gan)器(qi)(qi)(qi)HC2A-S。

  本來用于控制實行元件(jian)的次第(di)動(dong)作時(shi),液壓(ya)(ya)泵發(fa)起后,要2YA通電(dian),液壓(ya)(ya)缸(gang)(gang)左腔(qiang)進油(you),推(tui)(tui)動(dong)活塞方(fang)向右(you)移(yi)。當碰到(dao)限位(wei)器(或死(si)擋鐵)后,體系壓(ya)(ya)力(li)增(zeng)加,壓(ya)(ya)力(li)繼電(dian)器宣布電(dian)信號(hao),使1YA通電(dian),高壓(ya)(ya)油(you)進入液壓(ya)(ya)缸(gang)(gang)的左腔(qiang),推(tui)(tui)動(dong)活塞右(you)移(yi)。這(zhe)時(shi)若HKT變(bian)送器也通電(dian),液壓(ya)(ya)缸(gang)(gang)的活塞敏捷右(you)移(yi);若3YA斷電(dian),則液壓(ya)(ya)缸(gang)(gang)的活塞慢(man)(man)速(su)右(you)移(yi),其(qi)慢(man)(man)速(su)運動(dong)速(su)度由節流閥調理(li)。

  再(zai)次用于液壓(ya)泵卸(xie)荷(he)時,壓(ya)力繼電器不是控制液壓(ya)泵間斷翻(fan)滾,而是控制二(er)位二(er)通電磁閥,將液壓(ya)泵5輸(shu)出(chu)的壓(ya)力油(you)流回油(you)箱,使(shi)其卸(xie)荷(he)。

  終究用于(yu)液壓(ya)(ya)(ya)泵(beng)(beng)的啟閉(bi)時(shi),有兩(liang)個液壓(ya)(ya)(ya)泵(beng)(beng),高壓(ya)(ya)(ya)小流量(liang)泵(beng)(beng),低壓(ya)(ya)(ya)大(da)流量(liang)泵(beng)(beng)。當活(huo)塞敏捷下降時(shi),兩(liang)泵(beng)(beng)一(yi)同輸出壓(ya)(ya)(ya)力油(you)。當液壓(ya)(ya)(ya)缸活(huo)塞桿抵住工件初步加壓(ya)(ya)(ya)時(shi),壓(ya)(ya)(ya)力繼電器在壓(ya)(ya)(ya)力油(you)作用下宣布動(dong)作,觸(chu)動(dong)微動(dong)開關,將常閉(bi)觸(chu)點斷(duan)開,使(shi)液壓(ya)(ya)(ya)泵(beng)(beng)停(ting)轉。在加工過(guo)程中減(jian)慢液壓(ya)(ya)(ya)缸的速度,一(yi)同削減(jian)動(dong)力消耗。