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(chuan)遞扭矩大，使用壽命長，免維護，耐(nai)高溫(wen)，耐(nai)酸堿防腐蝕，適用于高溫(wen)高速及有腐蝕工況環境的軸系傳(chuan)動(dong)。

膜(mo)片(pian)(pian)型聯軸(zhou)器能(neng)補償(chang)主動(dong)機(ji)(ji)與從(cong)動(dong)機(ji)(ji)之間(jian)由于制造誤(wu)差、安(an)裝誤(wu)差、承載變形以及溫升(sheng)變化的(de)(de)影響等(deng)所引起的(de)(de)軸(zhou)向、徑(jing)向和角(jiao)向偏移(yi)。膜(mo)片(pian)(pian)彈(dan)性(xing)(xing)聯軸(zhou)器屬金(jin)屬彈(dan)性(xing)(xing)元(yuan)件撓性(xing)(xing)聯軸(zhou)器，其依靠金(jin)屬聯軸(zhou)器膜(mo)片(pian)(pian)來聯接主、從(cong)動(dong)機(ji)(ji)傳(chuan)遞扭(niu)矩，具有彈(dan)性(xing)(xing)減振、無噪(zao)聲、不(bu)需潤(run)滑的(de)(de)優(you)點。

膜(mo)(mo)片(pian)(pian)(pian)聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)至少(shao)由一個(ge)膜(mo)(mo)片(pian)(pian)(pian)和(he)(he)兩個(ge)軸(zhou)(zhou)套組成。膜(mo)(mo)片(pian)(pian)(pian)被用銷釘緊固(gu)在(zai)軸(zhou)(zhou)套上一般(ban)不會松(song)動或引起膜(mo)(mo)片(pian)(pian)(pian)和(he)(he)軸(zhou)(zhou)套之間的(de)反沖。有(you)一些生(sheng)產(chan)商提供(gong)兩個(ge)膜(mo)(mo)片(pian)(pian)(pian)的(de)，也有(you)提供(gong)三個(ge)膜(mo)(mo)片(pian)(pian)(pian)的(de)，中間有(you)一個(ge)或兩個(ge)剛性元件，兩邊 再連在(zai)軸(zhou)(zhou)套上。單(dan)膜(mo)(mo)片(pian)(pian)(pian)聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)和(he)(he)雙(shuang)膜(mo)(mo)片(pian)(pian)(pian)聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)的(de)不同(tong)(tong)之處是處理各種偏(pian)(pian)(pian)差能力的(de)不同(tong)(tong)，鑒于其需要(yao)膜(mo)(mo)片(pian)(pian)(pian)能復雜的(de)彎曲(qu)，所以單(dan)膜(mo)(mo)片(pian)(pian)(pian)聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)不太適(shi)應(ying)偏(pian)(pian)(pian)心。而雙(shuang)膜(mo)(mo)片(pian)(pian)(pian)聯(lian)(lian)軸(zhou)(zhou)器(qi)(qi)可以同(tong)(tong)時曲(qu)向不同(tong)(tong)的(de)方向，以此來(lai)補償偏(pian)(pian)(pian)心。