星(xing)形聯(lian)(lian)軸(zhou)器(qi)(qi)高速(su)運(yun)轉(zhuan)時由于受離(li)心力的(de)(de)作用(yong)而產(chan)生(sheng)的(de)(de)徑(jing)向運(yun)動將加(jia)速(su)其磨損(sun)，加(jia)設(she)外(wai)殼(ke)。除了能防(fang)(fang)塵存油外(wai)，減(jian)(jian)薄量不(bu)(bu)足可(ke)能會(hui)造成干涉，減(jian)(jian)薄量過大會(hui)削弱齒(chi)(chi)的(de)(de)強度，且會(hui)側(ce)隙很大。外(wai)齒(chi)(chi)的(de)(de)接(jie)觸條件得到改(gai)善，避免了在(zai)角位(wei)移條件下直(zhi)齒(chi)(chi)齒(chi)(chi)端(duan)棱(leng)邊擠壓，應力集中的(de)(de)弊端(duan)，同時改(gai)善了齒(chi)(chi)面摩(mo)擦、磨損(sun)狀況，降(jiang)低了噪聲，維(wei)修周期長。星(xing)形彈(dan)性(xing)聯(lian)(lian)軸(zhou)器(qi)(qi)外(wai)齒(chi)(chi)套齒(chi)(chi)端(duan)呈喇叭(ba)形狀，故(gu)不(bu)(bu)宜在(zai)高速(su)和(he)有(you)沖擊載(zai)荷(he)情(qing)況下使(shi)用(yong)，也不(bu)(bu)宜用(yong)于立軸(zhou)的(de)(de)聯(lian)(lian)接(jie)。星(xing)型彈(dan)性(xing)聯(lian)(lian)軸(zhou)器(qi)(qi)整(zheng)體結構設(she)計時，要充分(fen)注(zhu)意齒(chi)(chi)面與(yu)滾子之間的(de)(de)潤滑及防(fang)(fang)塵，還有(you)安全防(fang)(fang)護(hu)作用(yong)。因(yin)為鏈條萬一破斷，可(ke)能造成人身事故(gu)。鼓(gu)度曲線曲率半(ban)徑(jing)與(yu)內(nei)齒(chi)(chi)單側(ce)減(jian)(jian)薄量成正比，即(ji)它(ta)與(yu)齒(chi)(chi)的(de)(de)嚙(nie)合間隙有(you)關，使(shi)內(nei)、外(wai)齒(chi)(chi)裝拆(chai)十分(fen)方便。

星(xing)型聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器有時被誤認為(wei)是梅花聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器，他們安裝后的(de)(de)(de)外形(xing)(xing)幾乎相似(si)，但是同(tong)等(deng)型號下(xia)，星(xing)形(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器承受的(de)(de)(de)扭力(li)更(geng)大，相對梅花聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器，它(ta)的(de)(de)(de)內孔和(he)外形(xing)(xing)可以(yi)做到更(geng)小。星(xing)形(xing)(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器聚(ju)氨脂彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)體(ti)由凸形(xing)(xing)爪塊限制(zhi)，聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器是以(yi)工(gong)(gong)程塑(su)(su)料作彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)元件，適(shi)用(yong)于聯(lian)(lian)(lian)(lian)接兩(liang)同(tong)軸(zhou)(zhou)(zhou)線的(de)(de)(de)傳(chuan)動(dong)(dong)軸(zhou)(zhou)(zhou)系(xi)(xi)，具有補償兩(liang)軸(zhou)(zhou)(zhou)相對偏移、緩(huan)沖(chong)、減震、耐(nai)磨性(xing)(xing)(xing)(xing)能(neng)，適(shi)應(ying)場合(he)普(pu)遍 ，傳(chuan)遞轉矩(ju)20-35000.N.M,工(gong)(gong)作溫度-35-+80攝(she)氏度。星(xing)型彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器中的(de)(de)(de)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)元件是工(gong)(gong)程塑(su)(su)料，由于該工(gong)(gong)程塑(su)(su)料具有良好的(de)(de)(de)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)、緩(huan)沖(chong)性(xing)(xing)(xing)(xing)、減震性(xing)(xing)(xing)(xing)、耐(nai)磨性(xing)(xing)(xing)(xing)，因(yin)此能(neng)很好的(de)(de)(de)補償兩(liang)傳(chuan)動(dong)(dong)軸(zhou)(zhou)(zhou)系(xi)(xi)之間(jian)的(de)(de)(de)各種位移.星(xing)形(xing)(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器的(de)(de)(de)聚(ju)氨脂彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)體(ti)由凸形(xing)(xing)爪塊限制(zhi)。特(te)點：預(yu)應(ying)力(li)下(xia)無齒隙的(de)(de)(de)連接，用(yong)于主軸(zhou)(zhou)(zhou)傳(chuan)動(dong)(dong)、升降平臺和(he)機床等(deng)。