星形聯軸器高(gao)速(su)運轉時由于(yu)受離心力(li)的作用(yong)而(er)產生的徑向運動將(jiang)加速(su)其(qi)磨損(sun)，加設外(wai)殼。除了(le)能防塵存油外(wai)，減(jian)薄量(liang)不足可能會(hui)造(zao)成(cheng)(cheng)干(gan)涉，減(jian)薄量(liang)過大(da)(da)會(hui)削(xue)弱齒(chi)(chi)(chi)(chi)(chi)(chi)的強度(du)，且會(hui)側(ce)隙很大(da)(da)。外(wai)齒(chi)(chi)(chi)(chi)(chi)(chi)的接(jie)(jie)觸條件(jian)(jian)得(de)到改善(shan)，避(bi)免了(le)在角位移條件(jian)(jian)下直齒(chi)(chi)(chi)(chi)(chi)(chi)齒(chi)(chi)(chi)(chi)(chi)(chi)端(duan)棱邊擠(ji)壓，應力(li)集中(zhong)的弊端(duan)，同時改善(shan)了(le)齒(chi)(chi)(chi)(chi)(chi)(chi)面(mian)(mian)摩擦、磨損(sun)狀況，降低(di)了(le)噪聲(sheng)，維修周期長。星形彈(dan)(dan)性聯軸器外(wai)齒(chi)(chi)(chi)(chi)(chi)(chi)套齒(chi)(chi)(chi)(chi)(chi)(chi)端(duan)呈喇叭形狀，故不宜在高(gao)速(su)和有沖擊載荷(he)情況下使(shi)用(yong)，也不宜用(yong)于(yu)立軸的聯接(jie)(jie)。星型彈(dan)(dan)性聯軸器整體結構設計時，要充分注意(yi)齒(chi)(chi)(chi)(chi)(chi)(chi)面(mian)(mian)與(yu)滾(gun)子之(zhi)間的潤(run)滑及防塵，還有安全防護作用(yong)。因為(wei)鏈條萬一破(po)斷，可能造(zao)成(cheng)(cheng)人身事(shi)故。鼓度(du)曲線(xian)曲率半徑與(yu)內(nei)齒(chi)(chi)(chi)(chi)(chi)(chi)單側(ce)減(jian)薄量(liang)成(cheng)(cheng)正比，即它與(yu)齒(chi)(chi)(chi)(chi)(chi)(chi)的嚙合間隙有關(guan)，使(shi)內(nei)、外(wai)齒(chi)(chi)(chi)(chi)(chi)(chi)裝拆十(shi)分方便(bian)。

星型聯(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)有(you)時被誤認為(wei)是(shi)(shi)(shi)梅(mei)花(hua)聯(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)，他(ta)們安(an)裝(zhuang)后(hou)的(de)外形(xing)(xing)幾(ji)乎(hu)相(xiang)似，但是(shi)(shi)(shi)同等型號下，星形(xing)(xing)聯(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)承受的(de)扭力更(geng)大(da)，相(xiang)對(dui)梅(mei)花(hua)聯(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)，它的(de)內(nei)孔和(he)外形(xing)(xing)可以(yi)做到更(geng)小(xiao)。星形(xing)(xing)彈(dan)(dan)性(xing)(xing)聯(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)聚氨(an)脂(zhi)彈(dan)(dan)性(xing)(xing)體由凸形(xing)(xing)爪(zhua)塊限制(zhi)，聯(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)是(shi)(shi)(shi)以(yi)工(gong)程塑(su)料作彈(dan)(dan)性(xing)(xing)元(yuan)件，適用于(yu)(yu)聯(lian)(lian)(lian)接兩(liang)(liang)同軸(zhou)線的(de)傳動(dong)軸(zhou)系，具有(you)補(bu)償兩(liang)(liang)軸(zhou)相(xiang)對(dui)偏移、緩(huan)沖、減震、耐磨性(xing)(xing)能(neng)(neng)，適應(ying)場合普(pu)遍(bian) ，傳遞轉矩(ju)20-35000.N.M,工(gong)作溫度-35-+80攝氏度。星型彈(dan)(dan)性(xing)(xing)聯(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)中的(de)彈(dan)(dan)性(xing)(xing)元(yuan)件是(shi)(shi)(shi)工(gong)程塑(su)料，由于(yu)(yu)該工(gong)程塑(su)料具有(you)良好的(de)彈(dan)(dan)性(xing)(xing)、緩(huan)沖性(xing)(xing)、減震性(xing)(xing)、耐磨性(xing)(xing)，因此能(neng)(neng)很好的(de)補(bu)償兩(liang)(liang)傳動(dong)軸(zhou)系之間(jian)的(de)各種位移.星形(xing)(xing)彈(dan)(dan)性(xing)(xing)聯(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)的(de)聚氨(an)脂(zhi)彈(dan)(dan)性(xing)(xing)體由凸形(xing)(xing)爪(zhua)塊限制(zhi)。特點：預應(ying)力下無齒隙的(de)連接，用于(yu)(yu)主軸(zhou)傳動(dong)、升降平臺和(he)機床等。