優質齒(chi)(chi)(chi)式(shi)聯(lian)軸器是由(you)齒(chi)(chi)(chi)數相同的(de)內齒(chi)(chi)(chi)圈(quan)和帶外齒(chi)(chi)(chi)的(de)凸(tu)緣(yuan)半聯(lian)軸器等零件組成。外齒(chi)(chi)(chi)分為(wei)直齒(chi)(chi)(chi)和鼓形(xing)(xing)齒(chi)(chi)(chi)兩種(zhong)齒(chi)(chi)(chi)形(xing)(xing),所謂鼓形(xing)(xing)齒(chi)(chi)(chi)即為(wei)將外齒(chi)(chi)(chi)制成球面(mian),球面(mian)中心(xin)在(zai)齒(chi)(chi)(chi)輪軸線上,齒(chi)(chi)(chi)側間隙較一般齒(chi)(chi)(chi)輪大(da),鼓形(xing)(xing)齒(chi)(chi)(chi)聯(lian)軸器可(ke)允許較大(da)的(de)角(jiao)位移(相對于直齒(chi)(chi)(chi)聯(lian)軸器),可(ke)改善(shan)齒(chi)(chi)(chi)的(de)接觸(chu)條件,提高傳遞轉(zhuan)矩的(de)能力,延長(chang)使用壽命(ming)。
優質齒式聯(lian)軸(zhou)器在工(gong)作時,兩軸(zhou)產生相對位移,內(nei)外齒的(de)(de)齒面周期性作軸(zhou)向相對滑動,必然形成齒面磨損和(he)功率損耗,因此齒式聯(lian)軸(zhou)器需(xu)在良(liang)好潤(run)滑和(he)密封的(de)(de)狀(zhuang)態下工(gong)作。
優質齒(chi)(chi)式聯(lian)軸(zhou)器(qi)徑向尺寸(cun)小(xiao),承(cheng)載(zai)能力大,常用于(yu)低(di)速重載(zai)工況條件的(de)軸(zhou)系傳(chuan)動,如冶金、礦山、起重運輸行業,也(ye)適用于(yu)石(shi)油、化工、通用機械(xie)等行業。高(gao)精度并經動平衡的(de)齒(chi)(chi)式聯(lian)軸(zhou)器(qi)可(ke)用于(yu)高(gao)速傳(chuan)動,如燃汽輪機的(de)軸(zhou)系傳(chuan)動。由于(yu)鼓形齒(chi)(chi)式聯(lian)軸(zhou)器(qi)的(de)角向補償大于(yu)直齒(chi)(chi)式聯(lian)軸(zhou)器(qi),國內外均廣泛采用鼓形齒(chi)(chi)式聯(lian)軸(zhou)器(qi)。