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cl18齒(chi)(chi)(chi)(chi)式聯(lian)軸(zhou)(zhou)器是由(you)齒(chi)(chi)(chi)(chi)數相(xiang)同的內齒(chi)(chi)(chi)(chi)圈和帶外(wai)齒(chi)(chi)(chi)(chi)的凸緣半聯(lian)軸(zhou)(zhou)器等零件(jian)組成(cheng)。外(wai)齒(chi)(chi)(chi)(chi)分為(wei)直齒(chi)(chi)(chi)(chi)和鼓(gu)形(xing)齒(chi)(chi)(chi)(chi)兩種齒(chi)(chi)(chi)(chi)形(xing)，所謂鼓(gu)形(xing)齒(chi)(chi)(chi)(chi)即為(wei)將外(wai)齒(chi)(chi)(chi)(chi)制成(cheng)球面，球面中心在(zai)齒(chi)(chi)(chi)(chi)輪軸(zhou)(zhou)線上，齒(chi)(chi)(chi)(chi)側間(jian)隙較一般(ban)齒(chi)(chi)(chi)(chi)輪大，鼓(gu)形(xing)齒(chi)(chi)(chi)(chi)聯(lian)軸(zhou)(zhou)器可允許較大的角位移(相(xiang)對于(yu)直齒(chi)(chi)(chi)(chi)聯(lian)軸(zhou)(zhou)器)，可改善齒(chi)(chi)(chi)(chi)的接觸(chu)條件(jian)，提高傳遞轉矩的能力，延長(chang)使用壽命。

cl18齒(chi)(chi)(chi)式(shi)聯(lian)(lian)軸(zhou)器(qi)(qi)在工作(zuo)時(shi)，兩(liang)軸(zhou)產生相對位(wei)移(yi)，內外齒(chi)(chi)(chi)的齒(chi)(chi)(chi)面周期性作(zuo)軸(zhou)向相對滑動，必然(ran)形成齒(chi)(chi)(chi)面磨損(sun)和功率(lv)損(sun)耗，因此齒(chi)(chi)(chi)式(shi)聯(lian)(lian)軸(zhou)器(qi)(qi)需在良好潤(run)滑和密封(feng)的狀態下工作(zuo)。

cl18齒(chi)(chi)(chi)式(shi)(shi)聯軸(zhou)器(qi)徑(jing)向尺寸(cun)小，承載能力大，常用于(yu)低速重(zhong)載工(gong)況條件(jian)的(de)軸(zhou)系傳(chuan)動(dong)(dong)，如(ru)冶金、礦山(shan)、起重(zhong)運輸行(xing)業，也適用于(yu)石(shi)油、化工(gong)、通用機(ji)械等行(xing)業。高精度并經動(dong)(dong)平衡的(de)齒(chi)(chi)(chi)式(shi)(shi)聯軸(zhou)器(qi)可用于(yu)高速傳(chuan)動(dong)(dong)，如(ru)燃(ran)汽(qi)輪機(ji)的(de)軸(zhou)系傳(chuan)動(dong)(dong)。由于(yu)鼓形齒(chi)(chi)(chi)式(shi)(shi)聯軸(zhou)器(qi)的(de)角向補償大于(yu)直齒(chi)(chi)(chi)式(shi)(shi)聯軸(zhou)器(qi)，國內外均廣泛采用鼓形齒(chi)(chi)(chi)式(shi)(shi)聯軸(zhou)器(qi)。