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尼龍(long)鼓(gu)形(xing)(xing)齒(chi)(chi)式(shi)聯(lian)軸器是由(you)齒(chi)(chi)數相同的內齒(chi)(chi)圈和(he)帶外齒(chi)(chi)的凸緣半聯(lian)軸器等零件(jian)組成(cheng)。外齒(chi)(chi)分為(wei)直齒(chi)(chi)和(he)鼓(gu)形(xing)(xing)齒(chi)(chi)兩種齒(chi)(chi)形(xing)(xing)，所(suo)謂(wei)鼓(gu)形(xing)(xing)齒(chi)(chi)即為(wei)將外齒(chi)(chi)制成(cheng)球面，球面中心在(zai)齒(chi)(chi)輪軸線(xian)上，齒(chi)(chi)側間隙較(jiao)一般(ban)齒(chi)(chi)輪大(da)，鼓(gu)形(xing)(xing)齒(chi)(chi)聯(lian)軸器可允許較(jiao)大(da)的角位移(yi)(相對于直齒(chi)(chi)聯(lian)軸器)，可改善齒(chi)(chi)的接觸(chu)條件(jian)，提高傳遞轉矩的能力，延(yan)長使用壽(shou)命。

尼龍鼓(gu)形齒式聯(lian)軸(zhou)器(qi)(qi)在(zai)工(gong)作(zuo)時，兩軸(zhou)產生(sheng)相對(dui)位移，內(nei)外齒的齒面周期(qi)性作(zuo)軸(zhou)向相對(dui)滑動，必然形成齒面磨損(sun)和功(gong)率損(sun)耗，因此齒式聯(lian)軸(zhou)器(qi)(qi)需在(zai)良好潤滑和密封(feng)的狀態下(xia)工(gong)作(zuo)。

尼(ni)龍鼓形(xing)齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)器徑向尺(chi)寸小，承載能力大(da)，常用(yong)(yong)于低(di)速重(zhong)載工(gong)況(kuang)條件的(de)(de)軸(zhou)系(xi)傳(chuan)動(dong)，如冶金、礦山、起(qi)重(zhong)運輸行(xing)業，也適用(yong)(yong)于石油、化工(gong)、通用(yong)(yong)機械(xie)等行(xing)業。高精度并經動(dong)平衡的(de)(de)齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)器可用(yong)(yong)于高速傳(chuan)動(dong)，如燃汽輪機的(de)(de)軸(zhou)系(xi)傳(chuan)動(dong)。由于鼓形(xing)齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)器的(de)(de)角向補(bu)償大(da)于直齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)器，國內(nei)外均廣泛采用(yong)(yong)鼓形(xing)齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)器。