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(cou)，傳遞(di)扭矩大，使用壽命(ming)長，免(mian)維護(hu)，耐(nai)高溫，耐(nai)酸(suan)堿(jian)防腐(fu)蝕，適(shi)用于高溫高速(su)及有腐(fu)蝕工況環境的軸系傳動。

膜片型聯(lian)軸器(qi)能補(bu)償主動(dong)(dong)(dong)機與從(cong)動(dong)(dong)(dong)機之間由(you)于制造(zao)誤差、安裝誤差、承載(zai)變形以及溫升變化的(de)影響等所引起的(de)軸向、徑(jing)向和(he)角(jiao)向偏(pian)移(yi)。膜片彈(dan)性聯(lian)軸器(qi)屬金屬彈(dan)性元件撓性聯(lian)軸器(qi)，其依靠金屬聯(lian)軸器(qi)膜片來(lai)聯(lian)接主、從(cong)動(dong)(dong)(dong)機傳遞扭矩，具有(you)彈(dan)性減(jian)振、無噪(zao)聲、不(bu)需潤(run)滑的(de)優點。

膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯(lian)軸(zhou)(zhou)器(qi)至少由一(yi)(yi)個(ge)膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)和兩(liang)(liang)個(ge)軸(zhou)(zhou)套(tao)(tao)組成(cheng)。膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)被用銷釘緊固在軸(zhou)(zhou)套(tao)(tao)上一(yi)(yi)般不(bu)會(hui)松(song)動或引起(qi)膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)和軸(zhou)(zhou)套(tao)(tao)之間的(de)反沖。有一(yi)(yi)些生產商提(ti)(ti)供兩(liang)(liang)個(ge)膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)的(de)，也有提(ti)(ti)供三個(ge)膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)的(de)，中間有一(yi)(yi)個(ge)或兩(liang)(liang)個(ge)剛性元件，兩(liang)(liang)邊 再連(lian)在軸(zhou)(zhou)套(tao)(tao)上。單(dan)膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯(lian)軸(zhou)(zhou)器(qi)和雙(shuang)膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯(lian)軸(zhou)(zhou)器(qi)的(de)不(bu)同之處是處理各種偏(pian)差能力(li)的(de)不(bu)同，鑒于其需要膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)能復雜的(de)彎曲(qu)，所以(yi)單(dan)膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯(lian)軸(zhou)(zhou)器(qi)不(bu)太適應偏(pian)心(xin)。而雙(shuang)膜(mo)(mo)(mo)(mo)片(pian)(pian)(pian)(pian)(pian)聯(lian)軸(zhou)(zhou)器(qi)可以(yi)同時曲(qu)向(xiang)不(bu)同的(de)方(fang)向(xiang)，以(yi)此來補(bu)償偏(pian)心(xin)。