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(jin)湊(cou)，傳(chuan)遞扭矩(ju)大，使用壽命長，免維護，耐高溫，耐酸堿防腐蝕，適用于高溫高速及有腐蝕工況環境的軸系傳(chuan)動(dong)。

膜(mo)片型聯(lian)(lian)軸(zhou)器(qi)能補償(chang)主(zhu)動機與從動機之間由于(yu)制(zhi)造(zao)誤差、安裝誤差、承載變(bian)形以及溫升變(bian)化的(de)影響等所引起的(de)軸(zhou)向(xiang)、徑向(xiang)和(he)角(jiao)向(xiang)偏移。膜(mo)片彈(dan)(dan)性聯(lian)(lian)軸(zhou)器(qi)屬(shu)金(jin)屬(shu)彈(dan)(dan)性元件撓性聯(lian)(lian)軸(zhou)器(qi)，其依靠金(jin)屬(shu)聯(lian)(lian)軸(zhou)器(qi)膜(mo)片來聯(lian)(lian)接主(zhu)、從動機傳遞扭(niu)矩，具有彈(dan)(dan)性減振、無噪聲、不需潤滑(hua)的(de)優點(dian)。

膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸(zhou)器至少由(you)一個(ge)(ge)(ge)膜(mo)(mo)片(pian)(pian)(pian)(pian)和(he)兩(liang)個(ge)(ge)(ge)軸(zhou)套(tao)(tao)組成。膜(mo)(mo)片(pian)(pian)(pian)(pian)被用(yong)銷釘緊固在(zai)軸(zhou)套(tao)(tao)上一般不(bu)會(hui)松動或引(yin)起膜(mo)(mo)片(pian)(pian)(pian)(pian)和(he)軸(zhou)套(tao)(tao)之(zhi)間的(de)(de)反(fan)沖。有(you)一些生產商提(ti)供兩(liang)個(ge)(ge)(ge)膜(mo)(mo)片(pian)(pian)(pian)(pian)的(de)(de)，也有(you)提(ti)供三(san)個(ge)(ge)(ge)膜(mo)(mo)片(pian)(pian)(pian)(pian)的(de)(de)，中間有(you)一個(ge)(ge)(ge)或兩(liang)個(ge)(ge)(ge)剛性元(yuan)件，兩(liang)邊 再連(lian)在(zai)軸(zhou)套(tao)(tao)上。單膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸(zhou)器和(he)雙膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸(zhou)器的(de)(de)不(bu)同(tong)(tong)之(zhi)處是處理各(ge)種偏(pian)差能(neng)力的(de)(de)不(bu)同(tong)(tong)，鑒于其需要膜(mo)(mo)片(pian)(pian)(pian)(pian)能(neng)復雜的(de)(de)彎曲，所(suo)以單膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸(zhou)器不(bu)太適(shi)應偏(pian)心。而雙膜(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸(zhou)器可以同(tong)(tong)時曲向不(bu)同(tong)(tong)的(de)(de)方向，以此來補償偏(pian)心。