星形(xing)聯(lian)軸(zhou)(zhou)(zhou)器高速運轉(zhuan)時由于受離心力(li)的(de)(de)作(zuo)用(yong)而產生的(de)(de)徑(jing)向(xiang)運動將(jiang)加速其磨(mo)損，加設(she)外(wai)(wai)(wai)(wai)殼(ke)。除了能(neng)防(fang)塵存(cun)油外(wai)(wai)(wai)(wai)，減(jian)薄量(liang)(liang)不(bu)足可能(neng)會造成干涉，減(jian)薄量(liang)(liang)過(guo)大(da)會削弱齒(chi)(chi)的(de)(de)強度(du)，且(qie)會側隙很大(da)。外(wai)(wai)(wai)(wai)齒(chi)(chi)的(de)(de)接觸條件得到改(gai)(gai)善，避免了在角位(wei)移條件下(xia)直齒(chi)(chi)齒(chi)(chi)端(duan)棱邊擠壓，應力(li)集中的(de)(de)弊端(duan)，同時改(gai)(gai)善了齒(chi)(chi)面(mian)摩擦、磨(mo)損狀況，降低了噪聲，維修周期長。星形(xing)彈性(xing)聯(lian)軸(zhou)(zhou)(zhou)器外(wai)(wai)(wai)(wai)齒(chi)(chi)套(tao)齒(chi)(chi)端(duan)呈喇(la)叭形(xing)狀，故不(bu)宜(yi)在高速和(he)有(you)沖擊(ji)載荷情況下(xia)使(shi)用(yong)，也(ye)不(bu)宜(yi)用(yong)于立軸(zhou)(zhou)(zhou)的(de)(de)聯(lian)接。星型彈性(xing)聯(lian)軸(zhou)(zhou)(zhou)器整體結構設(she)計時，要充分注意齒(chi)(chi)面(mian)與(yu)滾子之(zhi)間的(de)(de)潤滑(hua)及(ji)防(fang)塵，還有(you)安全防(fang)護作(zuo)用(yong)。因為鏈條萬(wan)一(yi)破斷，可能(neng)造成人身事(shi)故。鼓度(du)曲線(xian)曲率(lv)半徑(jing)與(yu)內(nei)齒(chi)(chi)單(dan)側減(jian)薄量(liang)(liang)成正比，即它與(yu)齒(chi)(chi)的(de)(de)嚙(nie)合(he)間隙有(you)關，使(shi)內(nei)、外(wai)(wai)(wai)(wai)齒(chi)(chi)裝拆十分方便。

星(xing)型(xing)聯(lian)軸(zhou)(zhou)器(qi)(qi)有(you)時被誤認(ren)為(wei)是梅花(hua)聯(lian)軸(zhou)(zhou)器(qi)(qi)，他們安裝后(hou)的(de)(de)外形(xing)幾乎相似，但是同(tong)等(deng)型(xing)號(hao)下，星(xing)形(xing)聯(lian)軸(zhou)(zhou)器(qi)(qi)承受的(de)(de)扭力(li)(li)更(geng)大，相對梅花(hua)聯(lian)軸(zhou)(zhou)器(qi)(qi)，它的(de)(de)內孔(kong)和外形(xing)可(ke)以(yi)做到更(geng)小。星(xing)形(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)器(qi)(qi)聚(ju)氨(an)脂彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)體(ti)由(you)凸形(xing)爪塊(kuai)限(xian)制，聯(lian)軸(zhou)(zhou)器(qi)(qi)是以(yi)工程塑(su)料作彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)元件，適用于(yu)聯(lian)接兩同(tong)軸(zhou)(zhou)線的(de)(de)傳(chuan)動軸(zhou)(zhou)系，具(ju)有(you)補償兩軸(zhou)(zhou)相對偏(pian)移(yi)、緩沖(chong)、減震、耐磨性(xing)(xing)(xing)(xing)(xing)能，適應場(chang)合普遍(bian) ，傳(chuan)遞轉矩20-35000.N.M,工作溫度-35-+80攝氏度。星(xing)型(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)器(qi)(qi)中的(de)(de)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)元件是工程塑(su)料，由(you)于(yu)該工程塑(su)料具(ju)有(you)良好的(de)(de)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)、緩沖(chong)性(xing)(xing)(xing)(xing)(xing)、減震性(xing)(xing)(xing)(xing)(xing)、耐磨性(xing)(xing)(xing)(xing)(xing)，因此(ci)能很好的(de)(de)補償兩傳(chuan)動軸(zhou)(zhou)系之間的(de)(de)各種位移(yi).星(xing)形(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)器(qi)(qi)的(de)(de)聚(ju)氨(an)脂彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)體(ti)由(you)凸形(xing)爪塊(kuai)限(xian)制。特點：預應力(li)(li)下無(wu)齒隙的(de)(de)連接，用于(yu)主軸(zhou)(zhou)傳(chuan)動、升降平臺和機床等(deng)。