WG型鼓形齒式聯軸器是聯接兩軸或軸和回轉件，在傳遞運動和轉矩過程中一同回轉而不脫開的一種機械裝置。WG型鼓形齒式聯軸器的基本功能是傳遞運動和轉矩，其他附助功能，如補償軸向、徑向、角向位移的功能及不同程度的減振、緩沖功能和過載安全保護功能等，以滿足不同機械設備傳動系統的需要。WG型鼓形齒式聯軸器的(de)(de)機械(xie)裝置本(ben)身用途的(de)(de)多樣化(hua)，為達到(dao)高(gao)(gao)的(de)(de)機能，具有(you)能耐受反復(fu)扭轉(zhuan)負載的(de)(de)高(gao)(gao)彈性疲(pi)憊限度的(de)(de)能力。

齒(chi)(chi)(chi)(chi)面使內(nei)外齒(chi)(chi)(chi)(chi)的(de)(de)(de)(de)接(jie)觸條(tiao)件(jian)得到(dao)改善(shan)，避免了在角位移條(tiao)件(jian)下直齒(chi)(chi)(chi)(chi)齒(chi)(chi)(chi)(chi)邊棱邊擠壓，改善(shan)了齒(chi)(chi)(chi)(chi)面摩擦，磨損的(de)(de)(de)(de)情況(kuang)；WG型(xing)鼓形(xing)(xing)齒(chi)(chi)(chi)(chi)式(shi)(shi)(shi)聯軸(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)齒(chi)(chi)(chi)(chi)頂部位會達不到(dao)所要求的(de)(de)(de)(de)精(jing)度(du)，如果(guo)安(an)裝過(guo)大的(de)(de)(de)(de)話，很可能引(yin)起WG型(xing)鼓形(xing)(xing)齒(chi)(chi)(chi)(chi)式(shi)(shi)(shi)聯軸(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)齒(chi)(chi)(chi)(chi)部的(de)(de)(de)(de)頂隙(xi)消失不見，還有的(de)(de)(de)(de)常見故障就是(shi)WG型(xing)鼓形(xing)(xing)齒(chi)(chi)(chi)(chi)式(shi)(shi)(shi)聯軸(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)油(you)的(de)(de)(de)(de)質量太差(cha)，在WG型(xing)鼓形(xing)(xing)齒(chi)(chi)(chi)(chi)式(shi)(shi)(shi)聯軸(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)運(yun)作時會影響自身的(de)(de)(de)(de)工作效率(lv)。WG型(xing)鼓形(xing)(xing)齒(chi)(chi)(chi)(chi)式(shi)(shi)(shi)聯軸(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)是(shi)由(you)齒(chi)(chi)(chi)(chi)數相同的(de)(de)(de)(de)內(nei)齒(chi)(chi)(chi)(chi)圈(quan)和帶外齒(chi)(chi)(chi)(chi)的(de)(de)(de)(de)凸緣半聯軸(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)等零件(jian)組成，齒(chi)(chi)(chi)(chi)側間隙(xi)較一般齒(chi)(chi)(chi)(chi)輪(lun)大。

內外齒(chi)(chi)(chi)的(de)齒(chi)(chi)(chi)面(mian)(mian)(mian)周期性(xing)作(zuo)軸(zhou)向(xiang)相對滑動，形成齒(chi)(chi)(chi)面(mian)(mian)(mian)磨損(sun)和(he)功(gong)率(lv)損(sun)耗，因(yin)此(ci)WG型(xing)鼓(gu)(gu)形齒(chi)(chi)(chi)式聯(lian)軸(zhou)器(qi)(qi)需在(zai)良(liang)好潤滑和(he)密封(feng)的(de)狀態下(xia)(xia)工(gong)作(zuo)。WG型(xing)鼓(gu)(gu)形齒(chi)(chi)(chi)式聯(lian)軸(zhou)器(qi)(qi)徑向(xiang)尺寸小、承載(zai)能(neng)力大(da)(da)，長用(yong)于(yu)低速重(zhong)載(zai)工(gong)況條件(jian)的(de)軸(zhou)系傳(chuan)動，并經動平衡的(de)WG型(xing)鼓(gu)(gu)形齒(chi)(chi)(chi)式聯(lian)軸(zhou)器(qi)(qi)可(ke)用(yong)于(yu)高速傳(chuan)動；齒(chi)(chi)(chi)面(mian)(mian)(mian)使內、外齒(chi)(chi)(chi)的(de)接觸條件(jian)得到改(gai)善(shan)(shan)，避免了(le)在(zai)角位移條件(jian)下(xia)(xia)直(zhi)齒(chi)(chi)(chi)齒(chi)(chi)(chi)端棱邊擠壓(ya)，應力集中的(de)弊端，同(tong)時改(gai)善(shan)(shan)了(le)齒(chi)(chi)(chi)面(mian)(mian)(mian)摩擦(ca)；在(zai)相同(tong)的(de)模數(shu)、齒(chi)(chi)(chi)數(shu)、齒(chi)(chi)(chi)寬下(xia)(xia)，鼓(gu)(gu)形齒(chi)(chi)(chi)比直(zhi)齒(chi)(chi)(chi)允(yun)許的(de)角位移大(da)(da)。