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(shi)用壽命長，免維護，耐(nai)高(gao)溫，耐(nai)酸堿防腐(fu)蝕(shi)，適用于(yu)高(gao)溫高(gao)速(su)及有腐(fu)蝕(shi)工況環境(jing)的軸(zhou)系傳動。

膜(mo)片型聯(lian)軸(zhou)器(qi)能補(bu)償主(zhu)(zhu)動(dong)機與從動(dong)機之間由于制造誤差、安裝誤差、承載變形以及溫升變化的(de)(de)影響等(deng)所引起(qi)的(de)(de)軸(zhou)向(xiang)(xiang)、徑向(xiang)(xiang)和角向(xiang)(xiang)偏移。膜(mo)片彈(dan)性(xing)(xing)聯(lian)軸(zhou)器(qi)屬金(jin)屬彈(dan)性(xing)(xing)元件撓性(xing)(xing)聯(lian)軸(zhou)器(qi)，其依靠金(jin)屬聯(lian)軸(zhou)器(qi)膜(mo)片來聯(lian)接主(zhu)(zhu)、從動(dong)機傳(chuan)遞扭矩，具有彈(dan)性(xing)(xing)減振、無噪聲(sheng)、不(bu)需潤滑(hua)的(de)(de)優點。

膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸器(qi)至少由一個(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)和(he)兩個(ge)軸套(tao)(tao)組成。膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)被用銷釘緊(jin)固在軸套(tao)(tao)上一般不(bu)會松(song)動或引起膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)和(he)軸套(tao)(tao)之間的(de)反(fan)沖(chong)。有一些生產商提供(gong)兩個(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)的(de)，也有提供(gong)三個(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)的(de)，中間有一個(ge)或兩個(ge)剛(gang)性元(yuan)件，兩邊 再(zai)連(lian)在軸套(tao)(tao)上。單膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸器(qi)和(he)雙膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸器(qi)的(de)不(bu)同(tong)(tong)之處是處理(li)各種偏差能(neng)力的(de)不(bu)同(tong)(tong)，鑒于其(qi)需(xu)要(yao)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)能(neng)復雜的(de)彎曲(qu)，所以(yi)單膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸器(qi)不(bu)太適應偏心。而雙膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)(pian)聯(lian)(lian)(lian)軸器(qi)可以(yi)同(tong)(tong)時曲(qu)向不(bu)同(tong)(tong)的(de)方(fang)向，以(yi)此(ci)來補償偏心。