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(gou)緊湊(cou)，傳遞扭矩大，使用壽命長，免維(wei)護，耐(nai)高(gao)(gao)(gao)溫(wen)，耐(nai)酸堿防腐(fu)蝕，適用于高(gao)(gao)(gao)溫(wen)高(gao)(gao)(gao)速及有腐(fu)蝕工況環境的軸系傳動。

膜片型聯軸(zhou)(zhou)器能補償主動(dong)機(ji)與從動(dong)機(ji)之間由于制造誤差、安裝(zhuang)誤差、承載(zai)變形以及(ji)溫升變化的影響等所引(yin)起的軸(zhou)(zhou)向(xiang)(xiang)、徑(jing)向(xiang)(xiang)和角向(xiang)(xiang)偏(pian)移。膜片彈性(xing)聯軸(zhou)(zhou)器屬(shu)金屬(shu)彈性(xing)元件撓性(xing)聯軸(zhou)(zhou)器，其依靠金屬(shu)聯軸(zhou)(zhou)器膜片來聯接主、從動(dong)機(ji)傳遞扭(niu)矩，具(ju)有彈性(xing)減振、無噪(zao)聲(sheng)、不需潤滑的優點。

膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸器至少由一(yi)個(ge)(ge)(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)和兩(liang)(liang)個(ge)(ge)(ge)軸套(tao)組成。膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)被(bei)用銷釘緊固在(zai)軸套(tao)上(shang)一(yi)般不(bu)會松(song)動(dong)或引起膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)和軸套(tao)之(zhi)間的(de)反沖。有一(yi)些生產商(shang)提供兩(liang)(liang)個(ge)(ge)(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)的(de)，也(ye)有提供三(san)個(ge)(ge)(ge)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)的(de)，中間有一(yi)個(ge)(ge)(ge)或兩(liang)(liang)個(ge)(ge)(ge)剛(gang)性元件，兩(liang)(liang)邊(bian) 再連(lian)在(zai)軸套(tao)上(shang)。單(dan)(dan)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸器和雙膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸器的(de)不(bu)同之(zhi)處是處理各(ge)種偏(pian)(pian)(pian)差能力的(de)不(bu)同，鑒于其需(xu)要膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)能復雜的(de)彎曲，所以單(dan)(dan)膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸器不(bu)太適(shi)應偏(pian)(pian)(pian)心。而雙膜(mo)(mo)(mo)片(pian)(pian)(pian)(pian)聯(lian)軸器可以同時曲向不(bu)同的(de)方向，以此來補償偏(pian)(pian)(pian)心。