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液壓成型機的用途

發布日期:2018-07-21 作者: 點擊:

液壓成型機的用途


液壓成型機有哪些用途:

    液(ye)壓(ya)(ya)成(cheng)(cheng)型機(ji)(ji)(又(you)名:油(you)(you)壓(ya)(ya)機(ji)(ji))液(ye)壓(ya)(ya)成(cheng)(cheng)型機(ji)(ji)是一種(zhong)(zhong)利用液(ye)體(ti)靜壓(ya)(ya)力來加工(gong)金屬、塑料(liao)、橡膠(jiao)、木材、粉末(mo)等制(zhi)品的(de)(de)(de)機(ji)(ji)械。它常用于壓(ya)(ya)制(zhi)工(gong)藝(yi)和壓(ya)(ya)制(zhi)成(cheng)(cheng)形工(gong)藝(yi),如(ru):鍛(duan)(duan)壓(ya)(ya)、沖(chong)壓(ya)(ya)、冷擠、校直、彎曲(qu)、翻邊、薄(bo)板拉(la)深、粉末(mo)冶金、壓(ya)(ya)裝等等。它的(de)(de)(de)原(yuan)理是利用帕(pa)斯(si)卡定(ding)律制(zhi)成(cheng)(cheng)的(de)(de)(de)利用液(ye)體(ti)壓(ya)(ya)強(qiang)傳(chuan)動的(de)(de)(de)機(ji)(ji)械,種(zhong)(zhong)類很多。當然(ran),用途也根(gen)據(ju)需(xu)要是多種(zhong)(zhong)多樣的(de)(de)(de)。如(ru)按傳(chuan)遞壓(ya)(ya)強(qiang)的(de)(de)(de)液(ye)體(ti)種(zhong)(zhong)類來分,有油(you)(you)壓(ya)(ya)機(ji)(ji)和水(shui)壓(ya)(ya)機(ji)(ji)兩大(da)類。水(shui)壓(ya)(ya)機(ji)(ji)產生(sheng)的(de)(de)(de)總壓(ya)(ya)力較大(da),常用于鍛(duan)(duan)造(zao)和沖(chong)壓(ya)(ya)。鍛(duan)(duan)造(zao)水(shui)壓(ya)(ya)機(ji)(ji)又(you)分為(wei)模鍛(duan)(duan)水(shui)壓(ya)(ya)機(ji)(ji)和自由鍛(duan)(duan)水(shui)壓(ya)(ya)機(ji)(ji)兩種(zhong)(zhong)。模鍛(duan)(duan)水(shui)壓(ya)(ya)機(ji)(ji)要用模具,而自由鍛(duan)(duan)水(shui)壓(ya)(ya)機(ji)(ji)不(bu)用模具。我國(guo)制(zhi)造(zao)的(de)(de)(de)第一臺萬噸水(shui)壓(ya)(ya)機(ji)(ji)就是自由鍛(duan)(duan)造(zao)水(shui)壓(ya)(ya)機(ji)(ji)。

 

    1795年,英(ying)國(guo)的J.布拉(la)默應用(yong)(yong)帕斯(si)卡原理(li)發(fa)(fa)明了(le)水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji),用(yong)(yong)于(yu)打包、榨植物油等。到(dao)19世(shi)紀中(zhong)期,英(ying)國(guo)開始把水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)用(yong)(yong)于(yu)鍛(duan)造(zao)(zao),水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)遂逐漸取代(dai)(dai)了(le)超大(da)型蒸汽鍛(duan)錘。到(dao)19世(shi)紀末,美國(guo)制(zhi)(zhi)成126000千牛自由鍛(duan)造(zao)(zao)水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)。此后,全世(shi)界先(xian)后制(zhi)(zhi)造(zao)(zao)20余臺(tai)(tai)10萬(wan)千牛級的自由鍛(duan)造(zao)(zao)水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji),其中(zhong)中(zhong)國(guo)制(zhi)(zhi)造(zao)(zao)的有(you)2臺(tai)(tai)(見彩(cai)圖)。隨著(zhu)電動高壓(ya)(ya)(ya)(ya)(ya)泵的出現和完(wan)善,鍛(duan)造(zao)(zao)水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)也向較小(xiao)噸(dun)位方向發(fa)(fa)展。20世(shi)紀50年代(dai)(dai)后出現了(le)小(xiao)型快速鍛(duan)造(zao)(zao)水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji),可進行相當于(yu)30~50千牛鍛(duan)錘所做的工(gong)作。40年代(dai)(dai),德國(guo)制(zhi)(zhi)成180000千牛的巨型模鍛(duan)水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji),此后全世(shi)界先(xian)后制(zhi)(zhi)成180000千牛以上的模鍛(duan)水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)機(ji)(ji)(ji)18臺(tai)(tai),其中(zhong)中(zhong)國(guo)制(zhi)(zhi)造(zao)(zao)的一臺(tai)(tai)為(wei)300000千牛。

 

    液(ye)壓(ya)(ya)成(cheng)型(xing)機(ji)(ji)(ji)是一種以液(ye)體(ti)為工作介質,根(gen)據帕斯(si)卡原理制(zhi)成(cheng)的(de)用于傳(chuan)遞(di)能(neng)量以實現(xian)各種工藝(yi)的(de)機(ji)(ji)(ji)器(qi)。液(ye)壓(ya)(ya)成(cheng)型(xing)機(ji)(ji)(ji)一般由本機(ji)(ji)(ji)(主機(ji)(ji)(ji))、動力系統(tong)及液(ye)壓(ya)(ya)控制(zhi)系統(tong)三部分(fen)(fen)組成(cheng)。液(ye)壓(ya)(ya)成(cheng)型(xing)機(ji)(ji)(ji)分(fen)(fen)類有閥(fa)門液(ye)壓(ya)(ya)成(cheng)型(xing)機(ji)(ji)(ji),液(ye)體(ti)液(ye)壓(ya)(ya)成(cheng)型(xing)機(ji)(ji)(ji),工程(cheng)液(ye)壓(ya)(ya)成(cheng)型(xing)機(ji)(ji)(ji)。

 

    液(ye)(ye)壓(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)型機(ji)(ji)是(shi)一(yi)種以(yi)液(ye)(ye)體為工(gong)作(zuo)介質,用(yong)(yong)來(lai)傳(chuan)遞能量以(yi)實現各種工(gong)藝的(de)(de)(de)機(ji)(ji)器。液(ye)(ye)壓(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)型機(ji)(ji)除用(yong)(yong)于鍛(duan)(duan)壓(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)形(xing)外,也可用(yong)(yong)于矯(jiao)正、壓(ya)(ya)(ya)(ya)裝、打包、壓(ya)(ya)(ya)(ya)塊和壓(ya)(ya)(ya)(ya)板等(deng)。液(ye)(ye)壓(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)型機(ji)(ji)包括水壓(ya)(ya)(ya)(ya)機(ji)(ji)和油壓(ya)(ya)(ya)(ya)機(ji)(ji)。以(yi)水基液(ye)(ye)體為工(gong)作(zuo)介質的(de)(de)(de)稱為水壓(ya)(ya)(ya)(ya)機(ji)(ji),以(yi)油為工(gong)作(zuo)介質的(de)(de)(de)稱為油壓(ya)(ya)(ya)(ya)機(ji)(ji)。液(ye)(ye)壓(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)型機(ji)(ji)的(de)(de)(de)規格(ge)一(yi)般(ban)用(yong)(yong)公(gong)稱工(gong)作(zuo)力(千(qian)牛)或公(gong)稱噸(dun)(dun)位(wei)(噸(dun)(dun))表示。鍛(duan)(duan)造用(yong)(yong)液(ye)(ye)壓(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)型機(ji)(ji)多是(shi)水壓(ya)(ya)(ya)(ya)機(ji)(ji),噸(dun)(dun)位(wei)較(jiao)高。為減小(xiao)設備尺(chi)寸,大型鍛(duan)(duan)造水壓(ya)(ya)(ya)(ya)機(ji)(ji)常用(yong)(yong)較(jiao)高壓(ya)(ya)(ya)(ya)強(qiang)(35兆帕左右),有時也采(cai)用(yong)(yong) 100兆帕以(yi)上的(de)(de)(de)超高壓(ya)(ya)(ya)(ya)。其他用(yong)(yong)途的(de)(de)(de)液(ye)(ye)壓(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)型機(ji)(ji)一(yi)般(ban)采(cai)用(yong)(yong) 6~25兆帕的(de)(de)(de)工(gong)作(zuo)壓(ya)(ya)(ya)(ya)強(qiang)。油壓(ya)(ya)(ya)(ya)機(ji)(ji)的(de)(de)(de)噸(dun)(dun)位(wei)比水壓(ya)(ya)(ya)(ya)機(ji)(ji)低。


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