WG型鼓(gu)形(xing)齒(chi)(chi)式聯軸(zhou)器(qi)是由(you)齒(chi)(chi)數相(xiang)(xiang)同(tong)的(de)內齒(chi)(chi)圈和帶外齒(chi)(chi)的(de)凸緣半聯軸(zhou)器(qi)等零件(jian)組成。外齒(chi)(chi)分為直齒(chi)(chi)和鼓(gu)形(xing)齒(chi)(chi)兩種齒(chi)(chi)形(xing),所謂鼓(gu)形(xing)齒(chi)(chi)即為將外齒(chi)(chi)制成球面,球面中心在齒(chi)(chi)輪軸(zhou)線上,齒(chi)(chi)側間隙較(jiao)(jiao)一(yi)般齒(chi)(chi)輪大,鼓(gu)形(xing)齒(chi)(chi)聯軸(zhou)器(qi)可(ke)允(yun)許(xu)較(jiao)(jiao)大的(de)角位移(相(xiang)(xiang)對于直齒(chi)(chi)聯軸(zhou)器(qi)),可(ke)改(gai)善(shan)齒(chi)(chi)的(de)接觸條件(jian),提高傳(chuan)遞轉矩的(de)能(neng)力,延長使用(yong)壽命(ming)。
WG型(xing)鼓形齒(chi)式(shi)聯(lian)軸(zhou)器在(zai)工作(zuo)(zuo)時,兩軸(zhou)產生相對(dui)位移,內(nei)外齒(chi)的齒(chi)面周期性作(zuo)(zuo)軸(zhou)向相對(dui)滑(hua)(hua)動,必然形成齒(chi)面磨(mo)損和功率(lv)損耗(hao),因此(ci)齒(chi)式(shi)聯(lian)軸(zhou)器需在(zai)良好潤(run)滑(hua)(hua)和密封的狀(zhuang)態下工作(zuo)(zuo)。
WG型鼓(gu)形(xing)齒式聯(lian)軸(zhou)器(qi)徑向尺寸(cun)小(xiao),承(cheng)載能力大,常用于(yu)低速重(zhong)載工況(kuang)條件的軸(zhou)系傳動,如(ru)(ru)冶(ye)金、礦山、起重(zhong)運輸行(xing)業(ye)(ye),也(ye)適用于(yu)石油、化工、通用機械等行(xing)業(ye)(ye)。高精度并(bing)經動平衡的齒式聯(lian)軸(zhou)器(qi)可用于(yu)高速傳動,如(ru)(ru)燃汽輪機的軸(zhou)系傳動。由(you)于(yu)鼓(gu)形(xing)齒式聯(lian)軸(zhou)器(qi)的角向補償大于(yu)直(zhi)齒式聯(lian)軸(zhou)器(qi),國內外(wai)均廣(guang)泛采用鼓(gu)形(xing)齒式聯(lian)軸(zhou)器(qi)。