星(xing)形(xing)(xing)聯軸(zhou)器(qi)高速運(yun)轉時由于受離(li)心力的作用(yong)而產生的徑向(xiang)運(yun)動將(jiang)加速其磨損，加設(she)外(wai)(wai)殼。除了能防(fang)塵存油外(wai)(wai)，減(jian)(jian)薄(bo)量(liang)不(bu)足可(ke)能會(hui)(hui)造成(cheng)(cheng)干(gan)涉，減(jian)(jian)薄(bo)量(liang)過(guo)大會(hui)(hui)削弱(ruo)齒(chi)(chi)的強度，且會(hui)(hui)側(ce)隙很大。外(wai)(wai)齒(chi)(chi)的接(jie)觸條件得到改善(shan)，避免了在角位移條件下直齒(chi)(chi)齒(chi)(chi)端(duan)棱邊擠(ji)壓，應力集中的弊端(duan)，同時改善(shan)了齒(chi)(chi)面(mian)(mian)摩擦、磨損狀(zhuang)況，降低了噪聲，維修(xiu)周期長(chang)。星(xing)形(xing)(xing)彈(dan)性聯軸(zhou)器(qi)外(wai)(wai)齒(chi)(chi)套齒(chi)(chi)端(duan)呈喇叭(ba)形(xing)(xing)狀(zhuang)，故(gu)不(bu)宜在高速和有沖擊載荷(he)情況下使(shi)用(yong)，也不(bu)宜用(yong)于立軸(zhou)的聯接(jie)。星(xing)型彈(dan)性聯軸(zhou)器(qi)整體結構(gou)設(she)計時，要充分(fen)注意齒(chi)(chi)面(mian)(mian)與滾子之間(jian)的潤滑及(ji)防(fang)塵，還有安全防(fang)護作用(yong)。因為鏈條萬(wan)一破斷(duan)，可(ke)能造成(cheng)(cheng)人身(shen)事(shi)故(gu)。鼓度曲線曲率半徑與內齒(chi)(chi)單側(ce)減(jian)(jian)薄(bo)量(liang)成(cheng)(cheng)正比，即它與齒(chi)(chi)的嚙合間(jian)隙有關(guan)，使(shi)內、外(wai)(wai)齒(chi)(chi)裝(zhuang)拆十分(fen)方便。

星(xing)型聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)有(you)時被誤認為是梅花(hua)聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)，他們安裝后(hou)的(de)(de)(de)外形(xing)(xing)(xing)幾乎相(xiang)似，但(dan)是同等型號下，星(xing)形(xing)(xing)(xing)聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)承(cheng)受(shou)的(de)(de)(de)扭力更(geng)大，相(xiang)對(dui)梅花(hua)聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)，它的(de)(de)(de)內孔(kong)和(he)外形(xing)(xing)(xing)可以(yi)做到更(geng)小。星(xing)形(xing)(xing)(xing)彈(dan)性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)聚氨脂彈(dan)性(xing)(xing)(xing)(xing)體(ti)由凸形(xing)(xing)(xing)爪(zhua)塊限(xian)(xian)制，聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)是以(yi)工(gong)(gong)程塑(su)料作彈(dan)性(xing)(xing)(xing)(xing)元件，適用于(yu)聯(lian)(lian)(lian)接兩(liang)同軸(zhou)(zhou)線的(de)(de)(de)傳動(dong)軸(zhou)(zhou)系(xi)，具有(you)補(bu)償兩(liang)軸(zhou)(zhou)相(xiang)對(dui)偏移、緩沖(chong)、減震、耐(nai)磨(mo)性(xing)(xing)(xing)(xing)能，適應場(chang)合普(pu)遍 ，傳遞轉矩20-35000.N.M,工(gong)(gong)作溫度-35-+80攝氏度。星(xing)型彈(dan)性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)中(zhong)的(de)(de)(de)彈(dan)性(xing)(xing)(xing)(xing)元件是工(gong)(gong)程塑(su)料，由于(yu)該(gai)工(gong)(gong)程塑(su)料具有(you)良好(hao)的(de)(de)(de)彈(dan)性(xing)(xing)(xing)(xing)、緩沖(chong)性(xing)(xing)(xing)(xing)、減震性(xing)(xing)(xing)(xing)、耐(nai)磨(mo)性(xing)(xing)(xing)(xing)，因此能很好(hao)的(de)(de)(de)補(bu)償兩(liang)傳動(dong)軸(zhou)(zhou)系(xi)之間的(de)(de)(de)各(ge)種位移.星(xing)形(xing)(xing)(xing)彈(dan)性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)(qi)(qi)的(de)(de)(de)聚氨脂彈(dan)性(xing)(xing)(xing)(xing)體(ti)由凸形(xing)(xing)(xing)爪(zhua)塊限(xian)(xian)制。特點：預(yu)應力下無齒隙的(de)(de)(de)連接，用于(yu)主軸(zhou)(zhou)傳動(dong)、升降平臺和(he)機床等。

彈性柱銷聯軸器是一種結構簡單制造容易，無需潤滑，裝拆彈性柱銷便捷的傳動基礎件，利用兩個帶法蘭孔的半聯和置于起重的非金屬彈性柱銷來傳遞扭矩，適用于中低速和中低扭矩場合。彈性柱銷齒式聯軸器采用非金屬彈性柱銷和兩個帶齒形半聯以及一個外圈的齒形套環設計，利用非金屬彈性的變形來傳遞扭矩同時緩沖減震，補償角向位移。彈性套柱銷聯軸器設計簡單巧妙，適用性較廣的聯軸器，利用帶彈性套的柱銷聯接兩個帶銷孔的半聯，實現扭矩傳遞的同時兼具較大的角向補償，同時減震緩沖性能良好，可以用在速度較快的場合，無需潤滑，銷套更換便捷。