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水泵鼓形齒(chi)(chi)(chi)式(shi)聯軸器是由齒(chi)(chi)(chi)數相(xiang)(xiang)同的內齒(chi)(chi)(chi)圈和(he)帶外齒(chi)(chi)(chi)的凸緣半聯軸器等零件(jian)組成。外齒(chi)(chi)(chi)分為直(zhi)(zhi)齒(chi)(chi)(chi)和(he)鼓形齒(chi)(chi)(chi)兩種(zhong)齒(chi)(chi)(chi)形，所謂(wei)鼓形齒(chi)(chi)(chi)即(ji)為將(jiang)外齒(chi)(chi)(chi)制(zhi)成球(qiu)面，球(qiu)面中心在齒(chi)(chi)(chi)輪(lun)軸線上，齒(chi)(chi)(chi)側間(jian)隙較一般(ban)齒(chi)(chi)(chi)輪(lun)大，鼓形齒(chi)(chi)(chi)聯軸器可(ke)允許較大的角(jiao)位移(相(xiang)(xiang)對于直(zhi)(zhi)齒(chi)(chi)(chi)聯軸器)，可(ke)改善齒(chi)(chi)(chi)的接觸條件(jian)，提高傳遞轉(zhuan)矩的能(neng)力，延長使用壽(shou)命。

水泵鼓形齒(chi)(chi)式(shi)聯軸器在(zai)工作時(shi)，兩軸產生相(xiang)對位(wei)移，內外齒(chi)(chi)的齒(chi)(chi)面(mian)周期性作軸向相(xiang)對滑動，必(bi)然形成齒(chi)(chi)面(mian)磨損和功率損耗，因此(ci)齒(chi)(chi)式(shi)聯軸器需在(zai)良好潤滑和密封(feng)的狀態(tai)下(xia)工作。

水泵鼓形(xing)齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)(zhou)器徑向(xiang)尺寸(cun)小，承載能力(li)大，常(chang)用于(yu)(yu)低速重載工況(kuang)條件的軸(zhou)(zhou)系傳(chuan)動(dong)，如冶金、礦山、起重運輸行(xing)業(ye)，也適用于(yu)(yu)石油(you)、化工、通(tong)用機(ji)械等行(xing)業(ye)。高精度并經動(dong)平衡的齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)(zhou)器可用于(yu)(yu)高速傳(chuan)動(dong)，如燃汽(qi)輪機(ji)的軸(zhou)(zhou)系傳(chuan)動(dong)。由(you)于(yu)(yu)鼓形(xing)齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)(zhou)器的角向(xiang)補(bu)償(chang)大于(yu)(yu)直齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)(zhou)器，國內外均廣泛采用鼓形(xing)齒(chi)式(shi)(shi)聯(lian)(lian)軸(zhou)(zhou)器。