凸緣聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)屬于剛(gang)性(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)，是把兩(liang)個帶有凸緣的半(ban)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)用(yong)(yong)普通(tong)平鍵分別與兩(liang)軸(zhou)(zhou)(zhou)連接，然后用(yong)(yong)螺(luo)栓把兩(liang)個半(ban)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)連成一(yi)體，以傳(chuan)(chuan)遞運動(dong)(dong)和轉矩(ju)。這(zhe)種聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)有兩(liang)種主要的結(jie)構形式(shi)：靠(kao)(kao)鉸制孔用(yong)(yong)螺(luo)栓來實(shi)現兩(liang)軸(zhou)(zhou)(zhou)對中(zhong)(zhong)和靠(kao)(kao)螺(luo)栓桿承(cheng)受擠壓(ya)與剪切(qie)來傳(chuan)(chuan)遞轉矩(ju)；靠(kao)(kao)一(yi)個半(ban)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)上的凸肩與另一(yi)個半(ban)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)上的凹槽相配合而對中(zhong)(zhong)。連接兩(liang)個半(ban)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)的螺(luo)栓可以采用(yong)(yong)A級(ji)和B級(ji)的普通(tong)螺(luo)栓，轉矩(ju)靠(kao)(kao)兩(liang)個半(ban)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)結(jie)合面(mian)的摩擦力矩(ju)來傳(chuan)(chuan)遞。凸緣聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)結(jie)構簡單，制造方便(bian)，成本(ben)較(jiao)(jiao)(jiao)低，工作可靠(kao)(kao)，裝拆、維護均較(jiao)(jiao)(jiao)簡便(bian)，傳(chuan)(chuan)遞轉矩(ju)較(jiao)(jiao)(jiao)大，能保證兩(liang)軸(zhou)(zhou)(zhou)具(ju)有較(jiao)(jiao)(jiao)高(gao)的對中(zhong)(zhong)精度，一(yi)般常用(yong)(yong)于載(zai)荷(he)平穩(wen)，高(gao)速(su)或傳(chuan)(chuan)動(dong)(dong)精度要求較(jiao)(jiao)(jiao)高(gao)的軸(zhou)(zhou)(zhou)系傳(chuan)(chuan)動(dong)(dong)。凸緣聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)不(bu)具(ju)備徑向(xiang)、軸(zhou)(zhou)(zhou)向(xiang)和角向(xiang)補償。剛(gang)性(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)是一(yi)種扭轉剛(gang)性(xing)(xing)(xing)的聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)，即使承(cheng)受負載(zai)時也(ye)無(wu)任何回轉間隙，即便(bian)是有偏差產(chan)生負荷(he)時，剛(gang)性(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)還是剛(gang)性(xing)(xing)(xing)傳(chuan)(chuan)遞扭矩(ju)。