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，使用(yong)壽命長(chang)，免(mian)維護，耐(nai)高(gao)溫，耐(nai)酸(suan)堿(jian)防(fang)腐蝕(shi)，適用(yong)于高(gao)溫高(gao)速及有腐蝕(shi)工況環境的軸系傳動。

膜片(pian)型聯(lian)(lian)軸器能補(bu)償主動(dong)(dong)機與從動(dong)(dong)機之(zhi)間由于制造誤差、安裝誤差、承載變形以及(ji)溫升(sheng)變化的影響等所(suo)引(yin)起的軸向(xiang)、徑向(xiang)和角向(xiang)偏(pian)移。膜片(pian)彈(dan)(dan)(dan)性聯(lian)(lian)軸器屬(shu)(shu)金屬(shu)(shu)彈(dan)(dan)(dan)性元件撓性聯(lian)(lian)軸器，其依靠金屬(shu)(shu)聯(lian)(lian)軸器膜片(pian)來聯(lian)(lian)接(jie)主、從動(dong)(dong)機傳遞(di)扭矩，具有(you)彈(dan)(dan)(dan)性減振(zhen)、無(wu)噪聲、不(bu)需潤滑(hua)的優點。

膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)器至少(shao)由一(yi)個(ge)(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)和(he)兩(liang)個(ge)(ge)軸(zhou)套組成。膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)被用銷釘緊固在軸(zhou)套上一(yi)般不會松(song)動或引起膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)和(he)軸(zhou)套之(zhi)間的(de)反沖。有(you)一(yi)些(xie)生產商提供(gong)兩(liang)個(ge)(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)的(de)，也有(you)提供(gong)三個(ge)(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)的(de)，中間有(you)一(yi)個(ge)(ge)或兩(liang)個(ge)(ge)剛(gang)性元(yuan)件，兩(liang)邊 再(zai)連在軸(zhou)套上。單(dan)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)器和(he)雙膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)器的(de)不同(tong)之(zhi)處是處理(li)各種偏差能(neng)力(li)的(de)不同(tong)，鑒于其(qi)需要膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)能(neng)復(fu)雜(za)的(de)彎曲，所以單(dan)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)器不太適應偏心。而雙膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)器可以同(tong)時曲向(xiang)不同(tong)的(de)方向(xiang)，以此來補(bu)償偏心。