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        1. 產(chǎn)(chan)品目錄(lu)
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          使(shi)用(yong)德(de)國(guó)HYDAC壓(ya)力繼(ji)電(dian)器EDS3446-1-0400-000型的方(fang)法(fa)
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              使(shi)用(yong)德(de)國(guó)HYDAC壓(ya)力繼(ji)電(dian)器EDS3446-1-0400-000型的方(fang)法(fa):

              用(yong)於(yu)安全保(bao)護(hù)時(shí)(shi),將德(de)國(guó)HYDAC壓(ya)力繼(ji)電(dian)器設(shè)置(zhi)在夾(jia)緊(jin)液壓(ya)缸的壹端(duan),液(ye)壓(ya)泵啟動(dòng)後,首先將工(gong)件夾緊(jin),此(ci)時(shí)(shi)夾緊(jin)液壓(ya)缸的右腔(qiang)壓(ya)力升高(gao),當(dāng)(dang)升高(gao)到(dao)壓(ya)力繼(ji)電(dian)器的調(diào)(tiao)定(ding)值時(shí)(shi),壓(ya)力繼(ji)電(dian)器動(dòng)作,發(fā)(fa)出電(dian)信(xin)號(hào)使(shi)2YA通(tong)電(dian),於(yu)是(shi)切削液(ye)壓(ya)缸進(jìn)(jin)刀切削。在加工期(qi)間(jian),壓(ya)力繼(ji)電(dian)器微動(dòng)開(kāi)(kai)關(guān)(guan)的常開(kāi)(kai)觸(chu)點(diǎn)始終(zhong)閉(bi)合。若(ruo)工(gong)件沒(méi)(mei)有(you)夾緊(jin),德(de)國(guó)HYDAC壓(ya)力繼(ji)電(dian)器2斷開(kāi)(kai),於(yu)是(shi)2YA斷(duan)電(dian),切削液(ye)壓(ya)缸立(li)即(ji)停(ting)止(zhi)進(jìn)(jin)刀,從而避免工(gong)件(jian)未夾緊(jin)被切削而出事(shi)故。

              其(qi)實(shí)(shi)用(yong)於(yu)控制執(zhí)行元件(jian)的順(shun)序動(dòng)作時(shí)(shi),液壓(ya)泵啟動(dòng)後,首先2YA通電(dian),液壓(ya)缸左腔(qiang)進(jìn)(jin)油(you),推(tui)動(dòng)活(huo)塞(sai)方(fang)向(xiang)右移(yi)。當(dāng)(dang)碰(peng)到(dao)限(xian)位器(或(huo)死(si)擋(dang)鐵(tie))後(hou),系(xi)統(tǒng)壓(ya)力升高(gao),壓(ya)力繼(ji)電(dian)器發(fā)出電(dian)信(xin)號(hào),使(shi)1YA通(tong)電(dian),高(gao)壓(ya)油(you)進(jìn)(jin)入液壓(ya)缸的左(zuo)腔(qiang),推(tui)動(dòng)活(huo)塞(sai)右移(yi)。這時(shí)(shi)若3YA也(ye)通電(dian),液壓(ya)缸的活(huo)塞(sai)快(kuai)速右移(yi);若3YA斷(duan)電(dian),則(ze)液壓(ya)缸的活(huo)塞(sai)慢速右移(yi),其(qi)慢速運(yùn)(yun)動(dòng)速度由節(jié)流(liu)閥調(diào)(tiao)節(jié)。

              再(zai)次用(yong)於(yu)液壓(ya)泵卸(xie)荷(he)時(shí)(shi),壓(ya)力繼(ji)電(dian)器不(bu)是(shi)控(kong)制液壓(ya)泵停(ting)止(zhi)轉(zhuǎn)(zhuan)動(dòng),而是(shi)控(kong)制二(er)位二(er)通電(dian)磁閥(fa),將液(ye)壓(ya)泵5輸(shu)出的壓(ya)力油(you)流(liu)回油(you)箱(xiang),使(shi)其(qi)卸(xie)荷(he)。

              最(zui)後(hou)用(yong)於(yu)液壓(ya)泵的啟閉(bi)時(shí)(shi),有兩(liang)個(gè)液(ye)壓(ya)泵,高(gao)壓(ya)小流(liu)量泵(beng),低壓(ya)大(da)流(liu)量泵(beng)。當(dāng)(dang)活(huo)塞(sai)快(kuai)速下(xia)降(jiang)時(shí)(shi),兩泵(beng)同時(shí)(shi)輸(shu)出壓(ya)力油(you)。當(dāng)(dang)液壓(ya)缸活(huo)塞(sai)桿抵(di)住工(gong)件(jian)開(kāi)(kai)始加壓(ya)時(shí)(shi),壓(ya)力繼(ji)電(dian)器在壓(ya)力油(you)作用(yong)下發(fā)(fa)出動(dòng)作,觸(chu)動(dòng)微動(dòng)開(kāi)(kai)關(guān)(guan),將常閉(bi)觸(chu)點(diǎn)斷開(kāi)(kai),使(shi)液(ye)壓(ya)泵停(ting)轉(zhuǎn)(zhuan)。在加工過(guò)(guo)程(cheng)中(zhong)減慢液壓(ya)缸的速度,同時(shí)(shi)減少(shao)動(dòng)力消(xiao)耗。

              德(de)國(guó)HYDAC壓(ya)力繼(ji)電(dian)器有柱塞(sai)式(shi)、膜(mo)片式、彈簧(huang)管(guan)式(shi)和(he)波紋(wen)管式(shi)四(si)種(zhong)結(jié)(jie)構(gòu)(gou)形式。下(xia)面(mian)對(duì)柱塞(sai)式(shi)壓(ya)力繼(ji)電(dian)器的工作原理作壹介(jie)紹(shao):

          當(dāng)(dang)從繼(ji)電(dian)器下端(duan)進(jìn)(jin)油(you)口(kou)3進(jìn)(jin)入的液(ye)體(ti)壓(ya)力達(dá)到(dao)調(diào)(tiao)定(ding)壓(ya)力值時(shí)(shi),推(tui)動(dòng)柱塞(sai)2上移(yi),此(ci)位移(yi)通過(guò)(guo)杠桿放大(da)後推(tui)動(dòng)微動(dòng)開(kāi)(kai)關(guān)(guan)4動(dòng)作。改(gai)變(bian)彈簧(huang)1的(de)壓(ya)縮量(liang),可(ke)以(yi)調(diào)(tiao)節(jié)繼(ji)電(dian)器的動(dòng)作壓(ya)力。

          應(yīng)(ying)用(yong)場(chǎng)合:用(yong)於(yu)安全保(bao)護(hù)、控制(zhi)執(zhí)行(xing)元(yuan)件(jian)的(de)順序動(dòng)作、用(yong)於(yu)泵的啟閉(bi)、用(yong)於(yu)泵的卸(xie)荷(he)。

          註意(yi): 壓(ya)力繼(ji)電(dian)器必須(xu)放在壓(ya)力有明(ming)顯變(bian)化的(de)地(di)方(fang)才能輸(shu)出電(dian)信(xin)號(hào)。若將壓(ya)力繼(ji)電(dian)器放在回(hui)油(you)路(lu)上,由於(yu)回油(you)路(lu)直接(jie)接回(hui)油(you)箱(xiang),壓(ya)力也沒(méi)(mei)有(you)變(bian)化,所(suo)以(yi)壓(ya)力繼(ji)電(dian)器也不(bu)會(huì)(hui)工作。

              德(de)國(guó)HYDAC壓(ya)力繼(ji)電(dian)器是(shi)將液(ye)壓(ya)系統(tǒng)壓(ya)力轉(zhuǎn)換為(wei)電(dian)信(xin)號(hào)的液(ye)壓(ya)元器件,屬(shu)於(yu)電(dian)工技(ji)術(shù)領(lǐng)(ling)域。其(qi)通過(guò)(guo)感(gan)知流(liu)體壓(ya)力變(bian)化,在達(dá)(da)到(dao)設(shè)(she)定(ding)值時(shí)(shi)觸(chu)發(fā)微動(dòng)開(kāi)(kai)關(guān)(guan)輸(shu)出電(dian)信(xin)號(hào),實(shí)(shi)現(xiàn)安(an)全保(bao)護(hù)、油(you)路(lu)換向(xiang)或(huo)設(shè)備(bei)啟停(ting)等(deng)功能(neng)。主(zhu)要(yao)結(jié)(jie)構(gòu)(gou)包括柱塞(sai)式(shi)、膜(mo)片式、彈簧(huang)管(guan)式(shi)和(he)波紋(wen)管式(shi),其(qi)中(zhong)柱塞(sai)式(shi)通過(guò)杠桿機(jī)(ji)構(gòu)(gou)放大(da)壓(ya)力位移(yi)驅(qū)(qu)動(dòng)開(kāi)(kai)關(guān)(guan)動(dòng)作。

              德(de)國(guó)HYDAC壓(ya)力繼(ji)電(dian)器是(shi)利(li)用(yong)液體(ti)的壓(ya)力來(lái)啟閉(bi)電(dian)氣觸(chu)點(diǎn)的液壓(ya)電(dian)氣轉(zhuǎn)換元(yuan)件(jian)。當(dāng)(dang)系統(tǒng)壓(ya)力達(dá)到(dao)壓(ya)力繼(ji)電(dian)器的調(diào)(tiao)定(ding)值時(shí)(shi),發(fā)出(chu)電(dian)信(xin)號(hào),使(shi)電(dian)氣元件(如電(dian)磁鐵(tie)、電(dian)機(jī)、時(shí)(shi)間繼(ji)電(dian)器、電(dian)磁離(li)合器等)動(dòng)作,使(shi)油(you)路(lu)卸(xie)壓(ya)、換向(xiang),執(zhí)(zhi)行元件實(shí)(shi)現(xiàn)順(shun)序動(dòng)作,或(huo)關(guān)(guan)閉(bi)電(dian)動(dòng)機(jī)使(shi)系(xi)統(tǒng)停(ting)止(zhi)工(gong)作,起(qi)安全保(bao)護(hù)作用(yong)等。

              產(chǎn)(chan)品實(shí)(shi)物如(ru)下圖(tu)所示(shi):

          QQ20251028-104018.png


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