ATOS齒(chi)輪(lun)泵是依靠泵缸與嚙合(he)齒(chi)輪(lun)間所形(xing)成(cheng)的(de)(de)(de)工(gong)作容積變(bian)化和移動(dong)來輸送液(ye)體或使之增壓(ya)的(de)(de)(de)回轉泵。由兩個(ge)齒(chi)輪(lun)、泵體與前(qian)后蓋(gai)組成(cheng)兩個(ge)封(feng)閉空(kong)(kong)間，當齒(chi)輪(lun)轉動(dong)時，齒(chi)輪(lun)脫開側的(de)(de)(de)空(kong)(kong)間的(de)(de)(de)體積從小變(bian)大，形(xing)成(cheng)真空(kong)(kong)，將液(ye)體吸(xi)入，齒(chi)輪(lun)嚙合(he)側的(de)(de)(de)空(kong)(kong)間的(de)(de)(de)體積從大變(bian)小，而(er)將液(ye)體擠(ji)入管路中去。吸(xi)入腔與排出腔是靠兩個(ge)齒(chi)輪(lun)的(de)(de)(de)嚙合(he)線(xian)來隔開的(de)(de)(de)。齒(chi)輪(lun)泵的(de)(de)(de)排出口的(de)(de)(de)壓(ya)力*取(qu)決于泵出口處阻(zu)力的(de)(de)(de)大小。

ATOS齒(chi)(chi)輪(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)是(shi)容積(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)一(yi)種，由兩(liang)個齒(chi)(chi)輪(lun)(lun)(lun)(lun)、泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)體與(yu)前(qian)后蓋組成兩(liang)個封閉空(kong)(kong)間(jian)(jian)，當齒(chi)(chi)輪(lun)(lun)(lun)(lun)轉動(dong)(dong)時(shi)，齒(chi)(chi)輪(lun)(lun)(lun)(lun)脫開側的(de)(de)(de)(de)空(kong)(kong)間(jian)(jian)的(de)(de)(de)(de)體積(ji)從(cong)(cong)小(xiao)變大(da)(da)(da)，形成真空(kong)(kong)，將(jiang)液(ye)(ye)體吸(xi)入，齒(chi)(chi)輪(lun)(lun)(lun)(lun)嚙合側的(de)(de)(de)(de)空(kong)(kong)間(jian)(jian)的(de)(de)(de)(de)體積(ji)從(cong)(cong)大(da)(da)(da)變小(xiao)，而將(jiang)液(ye)(ye)體擠入管路中去。吸(xi)入腔(qiang)與(yu)排出(chu)(chu)(chu)(chu)(chu)腔(qiang)是(shi)靠兩(liang)個齒(chi)(chi)輪(lun)(lun)(lun)(lun)的(de)(de)(de)(de)嚙合線來隔開的(de)(de)(de)(de)。齒(chi)(chi)輪(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)排出(chu)(chu)(chu)(chu)(chu)口的(de)(de)(de)(de)壓力(li)(li)*取決于泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)出(chu)(chu)(chu)(chu)(chu)處(chu)阻力(li)(li)的(de)(de)(de)(de)大(da)(da)(da)小(xiao)。gear pump 依(yi)靠泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)缸與(yu)嚙合齒(chi)(chi)輪(lun)(lun)(lun)(lun)間(jian)(jian)所(suo)形成的(de)(de)(de)(de)工(gong)作(zuo)(zuo)容積(ji)變化和移動(dong)(dong)來輸送(song)(song)液(ye)(ye)體或使之(zhi)增壓的(de)(de)(de)(de)回轉泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)。外嚙合雙齒(chi)(chi)輪(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)結構。一(yi)對相互嚙合的(de)(de)(de)(de)齒(chi)(chi)輪(lun)(lun)(lun)(lun)和泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)缸把吸(xi)入腔(qiang)和排出(chu)(chu)(chu)(chu)(chu)腔(qiang)隔開。齒(chi)(chi)輪(lun)(lun)(lun)(lun)轉動(dong)(dong)時(shi)，吸(xi)入腔(qiang)側輪(lun)(lun)(lun)(lun)齒(chi)(chi)相互脫開處(chu)的(de)(de)(de)(de)齒(chi)(chi)間(jian)(jian)容積(ji)逐(zhu)漸增大(da)(da)(da)，壓力(li)(li)降(jiang)低，液(ye)(ye)體在壓差作(zuo)(zuo)用(yong)下進(jin)入齒(chi)(chi)間(jian)(jian)。隨著齒(chi)(chi)輪(lun)(lun)(lun)(lun)的(de)(de)(de)(de)轉動(dong)(dong)，一(yi)個個齒(chi)(chi)間(jian)(jian)的(de)(de)(de)(de)液(ye)(ye)體被帶至排出(chu)(chu)(chu)(chu)(chu)腔(qiang)。這時(shi)排出(chu)(chu)(chu)(chu)(chu)腔(qiang)側輪(lun)(lun)(lun)(lun)齒(chi)(chi)嚙合處(chu)的(de)(de)(de)(de)齒(chi)(chi)間(jian)(jian)容積(ji)逐(zhu)漸縮小(xiao)，而將(jiang)液(ye)(ye)體排出(chu)(chu)(chu)(chu)(chu)。齒(chi)(chi)輪(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)適(shi)用(yong)于輸送(song)(song)不(bu)含固體顆(ke)粒、無腐蝕(shi)性、粘(zhan)度(du)范圍較大(da)(da)(da)的(de)(de)(de)(de)潤滑性液(ye)(ye)體。泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)流(liu)量可至300m?/時(shi)，壓力(li)(li)可達3×107帕。它通(tong)常(chang)用(yong)作(zuo)(zuo)液(ye)(ye)壓泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)和輸送(song)(song)各類油品。齒(chi)(chi)輪(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)結構簡單緊湊,制造容易，維護方便，有自吸(xi)能力(li)(li)，但流(liu)量、壓力(li)(li)脈(mo)動(dong)(dong)較大(da)(da)(da)且噪聲大(da)(da)(da)。齒(chi)(chi)輪(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)必須配帶安(an)全閥，以防止由于某種原(yuan)(yuan)因如(ru)排出(chu)(chu)(chu)(chu)(chu)管堵塞使泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)出(chu)(chu)(chu)(chu)(chu)口壓力(li)(li)超過容許(xu)值而損壞泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)或原(yuan)(yuan)動(dong)(dong)機(ji)。

齒(chi)輪泵的(de)端(duan)蓋用(yong)鑄鐵(tie)制造，出(chu)現磨(mo)損(sun)現象后，輕微的(de)可(ke)在平板上研磨(mo)修(xiu)平，磨(mo)損(sun)比較嚴重時應(ying)在平面(mian)磨(mo)床(chuang)上磨(mo)削修(xiu)平。

修磨后的(de)端(duan)蓋(gai)與泵體配合連接的(de)平(ping)面(mian)(mian)接觸應(ying)不(bu)(bu)低(di)于85%.平(ping)面(mian)(mian)度(du)(du)(du)(du)允(yun)(yun)差(cha)、端(duan)面(mian)(mian)對(dui)孔(kong)中(zhong)心(xin)線的(de)垂直(zhi)度(du)(du)(du)(du)允(yun)(yun)差(cha)、兩端(duan)面(mian)(mian)的(de)平(ping)行(xing)度(du)(du)(du)(du)允(yun)(yun)差(cha)和兩軸(zhou)孔(kong)中(zhong)心(xin)線的(de)平(ping)行(xing)度(du)(du)(du)(du)允(yun)(yun)差(cha)均為0.01mm。磨削(xue)后的(de)表面(mian)(mian)粗糙度(du)(du)(du)(du)ra應(ying)不(bu)(bu)大(da)于1.5μm。

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