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齒(chi)(chi)式聯(lian)軸器國標是由(you)齒(chi)(chi)數相(xiang)同(tong)的(de)內齒(chi)(chi)圈和帶(dai)外齒(chi)(chi)的(de)凸緣(yuan)半(ban)聯(lian)軸器等(deng)零件組成。外齒(chi)(chi)分(fen)為(wei)直(zhi)齒(chi)(chi)和鼓形齒(chi)(chi)兩(liang)種(zhong)齒(chi)(chi)形，所謂(wei)鼓形齒(chi)(chi)即為(wei)將外齒(chi)(chi)制成球(qiu)面，球(qiu)面中心在齒(chi)(chi)輪軸線上，齒(chi)(chi)側(ce)間隙較(jiao)一般齒(chi)(chi)輪大，鼓形齒(chi)(chi)聯(lian)軸器可允許較(jiao)大的(de)角位移(相(xiang)對于直(zhi)齒(chi)(chi)聯(lian)軸器)，可改善齒(chi)(chi)的(de)接觸條件，提高傳遞轉矩的(de)能力(li)，延(yan)長使用壽命。

齒式(shi)(shi)聯軸(zhou)(zhou)器國標在工作(zuo)時，兩(liang)軸(zhou)(zhou)產生相對位移，內外齒的齒面周(zhou)期性作(zuo)軸(zhou)(zhou)向相對滑動，必然(ran)形(xing)成(cheng)齒面磨損(sun)和功率損(sun)耗，因此齒式(shi)(shi)聯軸(zhou)(zhou)器需在良好潤滑和密封的狀態下工作(zuo)。

齒(chi)(chi)(chi)式(shi)(shi)聯(lian)軸(zhou)(zhou)(zhou)器國標徑向(xiang)尺(chi)寸小，承載能力大，常用(yong)(yong)(yong)于(yu)(yu)低速重載工況(kuang)條件的軸(zhou)(zhou)(zhou)系傳動(dong)(dong)，如(ru)冶金、礦山(shan)、起重運輸行業，也適用(yong)(yong)(yong)于(yu)(yu)石油、化工、通用(yong)(yong)(yong)機(ji)械等行業。高精度并經(jing)動(dong)(dong)平衡的齒(chi)(chi)(chi)式(shi)(shi)聯(lian)軸(zhou)(zhou)(zhou)器可用(yong)(yong)(yong)于(yu)(yu)高速傳動(dong)(dong)，如(ru)燃(ran)汽輪機(ji)的軸(zhou)(zhou)(zhou)系傳動(dong)(dong)。由于(yu)(yu)鼓形齒(chi)(chi)(chi)式(shi)(shi)聯(lian)軸(zhou)(zhou)(zhou)器的角向(xiang)補償大于(yu)(yu)直(zhi)齒(chi)(chi)(chi)式(shi)(shi)聯(lian)軸(zhou)(zhou)(zhou)器，國內外(wai)均廣泛采用(yong)(yong)(yong)鼓形齒(chi)(chi)(chi)式(shi)(shi)聯(lian)軸(zhou)(zhou)(zhou)器。