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橡(xiang)膠齒(chi)(chi)(chi)式聯(lian)(lian)軸(zhou)器(qi)是由齒(chi)(chi)(chi)數相同的(de)內齒(chi)(chi)(chi)圈和帶外齒(chi)(chi)(chi)的(de)凸緣半聯(lian)(lian)軸(zhou)器(qi)等零件(jian)組(zu)成(cheng)。外齒(chi)(chi)(chi)分為直齒(chi)(chi)(chi)和鼓形(xing)齒(chi)(chi)(chi)兩種齒(chi)(chi)(chi)形(xing)，所謂鼓形(xing)齒(chi)(chi)(chi)即為將(jiang)外齒(chi)(chi)(chi)制成(cheng)球面(mian)，球面(mian)中心在齒(chi)(chi)(chi)輪軸(zhou)線(xian)上(shang)，齒(chi)(chi)(chi)側間(jian)隙較(jiao)一般齒(chi)(chi)(chi)輪大，鼓形(xing)齒(chi)(chi)(chi)聯(lian)(lian)軸(zhou)器(qi)可(ke)允許較(jiao)大的(de)角位(wei)移(相對(dui)于直齒(chi)(chi)(chi)聯(lian)(lian)軸(zhou)器(qi))，可(ke)改善齒(chi)(chi)(chi)的(de)接觸條件(jian)，提高傳遞轉矩的(de)能(neng)力(li)，延長使(shi)用壽命。

橡(xiang)膠齒(chi)式聯(lian)軸(zhou)器在(zai)工作時，兩(liang)軸(zhou)產生相對位移，內外齒(chi)的齒(chi)面(mian)周期性(xing)作軸(zhou)向相對滑動，必然(ran)形成(cheng)齒(chi)面(mian)磨(mo)損和功率損耗，因此(ci)齒(chi)式聯(lian)軸(zhou)器需在(zai)良好潤滑和密(mi)封(feng)的狀態下工作。

橡膠齒式(shi)聯(lian)(lian)(lian)軸(zhou)(zhou)器徑向尺寸小，承載(zai)能力大，常用于(yu)低速重載(zai)工況條件的(de)軸(zhou)(zhou)系傳(chuan)動(dong)，如(ru)冶金、礦山、起重運輸(shu)行(xing)(xing)業(ye)，也適用于(yu)石油(you)、化工、通(tong)用機械(xie)等行(xing)(xing)業(ye)。高精度并經動(dong)平衡的(de)齒式(shi)聯(lian)(lian)(lian)軸(zhou)(zhou)器可用于(yu)高速傳(chuan)動(dong)，如(ru)燃汽輪機的(de)軸(zhou)(zhou)系傳(chuan)動(dong)。由于(yu)鼓(gu)形(xing)齒式(shi)聯(lian)(lian)(lian)軸(zhou)(zhou)器的(de)角(jiao)向補(bu)償(chang)大于(yu)直齒式(shi)聯(lian)(lian)(lian)軸(zhou)(zhou)器，國內外均廣泛采用鼓(gu)形(xing)齒式(shi)聯(lian)(lian)(lian)軸(zhou)(zhou)器。