專業鼓形(xing)齒(chi)(chi)式聯(lian)軸(zhou)器是由齒(chi)(chi)數相同的(de)(de)內(nei)齒(chi)(chi)圈和帶外齒(chi)(chi)的(de)(de)凸(tu)緣半聯(lian)軸(zhou)器等零件(jian)組成(cheng)。外齒(chi)(chi)分為直齒(chi)(chi)和鼓形(xing)齒(chi)(chi)兩種齒(chi)(chi)形(xing),所謂鼓形(xing)齒(chi)(chi)即為將(jiang)外齒(chi)(chi)制成(cheng)球面,球面中(zhong)心在齒(chi)(chi)輪軸(zhou)線上,齒(chi)(chi)側間(jian)隙較一般齒(chi)(chi)輪大(da),鼓形(xing)齒(chi)(chi)聯(lian)軸(zhou)器可(ke)允許較大(da)的(de)(de)角(jiao)位移(相對于直齒(chi)(chi)聯(lian)軸(zhou)器),可(ke)改善齒(chi)(chi)的(de)(de)接(jie)觸條件(jian),提高傳遞轉矩的(de)(de)能力,延(yan)長使(shi)用壽命。
專業鼓形(xing)齒式(shi)(shi)聯(lian)軸(zhou)器在工作(zuo)時,兩軸(zhou)產(chan)生相對(dui)位移,內外齒的(de)齒面(mian)(mian)周期性(xing)作(zuo)軸(zhou)向(xiang)相對(dui)滑動,必然形(xing)成齒面(mian)(mian)磨損(sun)和功率損(sun)耗(hao),因(yin)此(ci)齒式(shi)(shi)聯(lian)軸(zhou)器需(xu)在良好潤滑和密(mi)封的(de)狀態下(xia)工作(zuo)。
專業(ye)鼓形(xing)齒(chi)式(shi)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)徑向尺寸小,承(cheng)載能力大(da),常用(yong)于低速重載工(gong)況條件的(de)軸(zhou)(zhou)(zhou)(zhou)系(xi)傳動(dong),如冶金、礦山、起重運(yun)輸行業(ye),也適用(yong)于石油(you)、化(hua)工(gong)、通用(yong)機械等行業(ye)。高精度并經動(dong)平衡(heng)的(de)齒(chi)式(shi)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)可(ke)用(yong)于高速傳動(dong),如燃汽(qi)輪機的(de)軸(zhou)(zhou)(zhou)(zhou)系(xi)傳動(dong)。由于鼓形(xing)齒(chi)式(shi)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)的(de)角向補償大(da)于直齒(chi)式(shi)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi),國內(nei)外均廣(guang)泛采用(yong)鼓形(xing)齒(chi)式(shi)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)。