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(chuan)遞扭矩大，使用壽命長，免維(wei)護，耐高(gao)溫(wen)，耐酸堿(jian)防腐蝕(shi)，適用于高(gao)溫(wen)高(gao)速及(ji)有腐蝕(shi)工況環境的軸系傳(chuan)動。

膜片型聯(lian)軸(zhou)(zhou)器(qi)能補償主動機(ji)(ji)與從(cong)動機(ji)(ji)之間由于制(zhi)造誤差、安裝誤差、承載變形以及溫升(sheng)變化(hua)的影響(xiang)等(deng)所(suo)引(yin)起的軸(zhou)(zhou)向(xiang)、徑(jing)向(xiang)和角向(xiang)偏(pian)移。膜片彈(dan)性(xing)聯(lian)軸(zhou)(zhou)器(qi)屬(shu)金(jin)屬(shu)彈(dan)性(xing)元件撓性(xing)聯(lian)軸(zhou)(zhou)器(qi)，其依靠(kao)金(jin)屬(shu)聯(lian)軸(zhou)(zhou)器(qi)膜片來聯(lian)接(jie)主、從(cong)動機(ji)(ji)傳遞(di)扭矩，具有彈(dan)性(xing)減振、無(wu)噪聲、不需(xu)潤滑(hua)的優點。

膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器至少由一(yi)個(ge)(ge)膜(mo)(mo)片(pian)(pian)(pian)(pian)和(he)兩(liang)個(ge)(ge)軸(zhou)(zhou)(zhou)套(tao)組成。膜(mo)(mo)片(pian)(pian)(pian)(pian)被用銷釘緊固在軸(zhou)(zhou)(zhou)套(tao)上一(yi)般不(bu)會松(song)動或引起膜(mo)(mo)片(pian)(pian)(pian)(pian)和(he)軸(zhou)(zhou)(zhou)套(tao)之間的反沖(chong)。有一(yi)些生(sheng)產商提供(gong)兩(liang)個(ge)(ge)膜(mo)(mo)片(pian)(pian)(pian)(pian)的，也(ye)有提供(gong)三個(ge)(ge)膜(mo)(mo)片(pian)(pian)(pian)(pian)的，中間有一(yi)個(ge)(ge)或兩(liang)個(ge)(ge)剛性(xing)元件，兩(liang)邊 再連在軸(zhou)(zhou)(zhou)套(tao)上。單膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器和(he)雙膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器的不(bu)同(tong)之處(chu)是(shi)處(chu)理各種(zhong)偏差(cha)能(neng)力的不(bu)同(tong)，鑒于其需要膜(mo)(mo)片(pian)(pian)(pian)(pian)能(neng)復(fu)雜的彎曲(qu)，所以(yi)單膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器不(bu)太(tai)適應偏心。而雙膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器可以(yi)同(tong)時曲(qu)向不(bu)同(tong)的方向，以(yi)此來補償偏心。