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(chang)，免維護，耐高(gao)溫，耐酸堿防腐(fu)蝕，適用于高(gao)溫高(gao)速及有腐(fu)蝕工況環(huan)境的(de)軸系傳動。

膜片型聯(lian)(lian)(lian)軸器能補償主(zhu)動機(ji)(ji)與從動機(ji)(ji)之間由于制造誤差、安(an)裝(zhuang)誤差、承載變形以及溫(wen)升(sheng)變化的影(ying)響等所引起的軸向、徑向和角向偏(pian)移。膜片彈性(xing)聯(lian)(lian)(lian)軸器屬(shu)金屬(shu)彈性(xing)元件撓性(xing)聯(lian)(lian)(lian)軸器，其依靠金屬(shu)聯(lian)(lian)(lian)軸器膜片來聯(lian)(lian)(lian)接主(zhu)、從動機(ji)(ji)傳遞扭矩(ju)，具有彈性(xing)減振、無噪聲、不需潤滑的優點。

膜(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器至少(shao)由一個膜(mo)片(pian)(pian)(pian)(pian)和兩(liang)個軸(zhou)(zhou)套(tao)組成。膜(mo)片(pian)(pian)(pian)(pian)被(bei)用銷(xiao)釘緊固在軸(zhou)(zhou)套(tao)上一般不(bu)(bu)(bu)(bu)會松動(dong)或引起膜(mo)片(pian)(pian)(pian)(pian)和軸(zhou)(zhou)套(tao)之間的(de)(de)(de)反沖。有(you)一些生產商提供兩(liang)個膜(mo)片(pian)(pian)(pian)(pian)的(de)(de)(de)，也(ye)有(you)提供三個膜(mo)片(pian)(pian)(pian)(pian)的(de)(de)(de)，中間有(you)一個或兩(liang)個剛性元件，兩(liang)邊 再(zai)連在軸(zhou)(zhou)套(tao)上。單膜(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器和雙膜(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器的(de)(de)(de)不(bu)(bu)(bu)(bu)同(tong)之處是處理各種偏(pian)(pian)差能力的(de)(de)(de)不(bu)(bu)(bu)(bu)同(tong)，鑒(jian)于其(qi)需要(yao)膜(mo)片(pian)(pian)(pian)(pian)能復雜的(de)(de)(de)彎(wan)曲，所以(yi)單膜(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器不(bu)(bu)(bu)(bu)太適應(ying)偏(pian)(pian)心(xin)。而雙膜(mo)片(pian)(pian)(pian)(pian)聯軸(zhou)(zhou)器可以(yi)同(tong)時曲向(xiang)不(bu)(bu)(bu)(bu)同(tong)的(de)(de)(de)方向(xiang)，以(yi)此來補償偏(pian)(pian)心(xin)。