膜片聯軸器在傳遞扭矩的同時通過彈性膜片的的變形來補償軸向和角向的位移，是一種高性能的金屬彈性撓性聯軸器。膜片式聯軸器結構緊湊，傳遞扭矩大，使用壽命長，免維(wei)護，耐高溫，耐酸堿防腐(fu)蝕，適(shi)用于高溫高速及有腐(fu)蝕工(gong)況環境(jing)的軸系傳動。

膜(mo)片型聯(lian)軸(zhou)器(qi)能補償主(zhu)動機(ji)(ji)與從(cong)動機(ji)(ji)之間(jian)由于制造誤差、安裝誤差、承載變形以及溫升變化的影響(xiang)等所引(yin)起的軸(zhou)向(xiang)(xiang)(xiang)、徑向(xiang)(xiang)(xiang)和角向(xiang)(xiang)(xiang)偏移。膜(mo)片彈性(xing)聯(lian)軸(zhou)器(qi)屬金屬彈性(xing)元(yuan)件撓性(xing)聯(lian)軸(zhou)器(qi)，其(qi)依靠金屬聯(lian)軸(zhou)器(qi)膜(mo)片來聯(lian)接主(zhu)、從(cong)動機(ji)(ji)傳遞(di)扭(niu)矩，具有彈性(xing)減振(zhen)、無(wu)噪(zao)聲、不需潤(run)滑(hua)的優點。

膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)軸(zhou)器(qi)至(zhi)少由(you)一(yi)個(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)和兩(liang)個(ge)軸(zhou)套組(zu)成。膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)被用銷釘緊(jin)固在軸(zhou)套上一(yi)般不(bu)會松動或(huo)引起膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)和軸(zhou)套之(zhi)(zhi)間的(de)(de)反沖。有一(yi)些生產(chan)商提供兩(liang)個(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)的(de)(de)，也(ye)有提供三個(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)的(de)(de)，中間有一(yi)個(ge)或(huo)兩(liang)個(ge)剛性元件，兩(liang)邊 再連在軸(zhou)套上。單膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)軸(zhou)器(qi)和雙(shuang)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)軸(zhou)器(qi)的(de)(de)不(bu)同(tong)(tong)之(zhi)(zhi)處是處理各種(zhong)偏差能力的(de)(de)不(bu)同(tong)(tong)，鑒于其需要膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)能復雜的(de)(de)彎(wan)曲，所以單膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)軸(zhou)器(qi)不(bu)太適(shi)應偏心。而雙(shuang)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)軸(zhou)器(qi)可以同(tong)(tong)時曲向(xiang)不(bu)同(tong)(tong)的(de)(de)方(fang)向(xiang)，以此(ci)來補償偏心。