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(gou)緊湊，傳(chuan)遞扭矩大，使用(yong)壽命長，免維護，耐高溫(wen)，耐酸堿防腐蝕，適(shi)用(yong)于高溫(wen)高速及有腐蝕工況(kuang)環境的軸系傳(chuan)動。

膜(mo)片型(xing)聯軸(zhou)(zhou)器(qi)能補償(chang)主動機與從(cong)動機之(zhi)間由于制(zhi)造誤差、安裝誤差、承載變形(xing)以及(ji)溫升變化的(de)影響等(deng)所引起的(de)軸(zhou)(zhou)向、徑向和角向偏移。膜(mo)片彈性(xing)(xing)聯軸(zhou)(zhou)器(qi)屬(shu)(shu)金(jin)屬(shu)(shu)彈性(xing)(xing)元件撓性(xing)(xing)聯軸(zhou)(zhou)器(qi)，其依靠金(jin)屬(shu)(shu)聯軸(zhou)(zhou)器(qi)膜(mo)片來聯接主、從(cong)動機傳遞(di)扭矩，具有彈性(xing)(xing)減振、無噪聲(sheng)、不需(xu)潤滑的(de)優點。

膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器(qi)至少由一(yi)(yi)個膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)和(he)(he)兩個軸(zhou)(zhou)套(tao)組成。膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)被用銷釘緊(jin)固在(zai)軸(zhou)(zhou)套(tao)上(shang)一(yi)(yi)般不(bu)會松動或(huo)引起(qi)膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)和(he)(he)軸(zhou)(zhou)套(tao)之間的反沖(chong)。有(you)一(yi)(yi)些生產商提供兩個膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)的，也有(you)提供三個膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)的，中(zhong)間有(you)一(yi)(yi)個或(huo)兩個剛性(xing)元件，兩邊 再連在(zai)軸(zhou)(zhou)套(tao)上(shang)。單(dan)膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器(qi)和(he)(he)雙膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器(qi)的不(bu)同之處是處理(li)各種偏差能(neng)力的不(bu)同，鑒于其需(xu)要膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)能(neng)復(fu)雜的彎曲，所以單(dan)膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器(qi)不(bu)太適應偏心(xin)。而雙膜(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器(qi)可以同時曲向(xiang)不(bu)同的方向(xiang)，以此來補償(chang)偏心(xin)。