星(xing)形(xing)聯(lian)(lian)軸(zhou)器(qi)(qi)高速(su)運(yun)轉時(shi)由于(yu)受離(li)心力的(de)作用(yong)(yong)(yong)而產(chan)生的(de)徑(jing)向運(yun)動將加速(su)其磨損(sun)，加設外(wai)殼。除了(le)能(neng)防(fang)(fang)塵(chen)存油(you)外(wai)，減(jian)薄量(liang)(liang)不(bu)足可(ke)能(neng)會(hui)造成(cheng)干涉，減(jian)薄量(liang)(liang)過大(da)會(hui)削弱齒(chi)(chi)(chi)(chi)(chi)(chi)的(de)強度，且會(hui)側(ce)隙很大(da)。外(wai)齒(chi)(chi)(chi)(chi)(chi)(chi)的(de)接(jie)觸條件得到改善，避免了(le)在(zai)角(jiao)位移條件下(xia)直齒(chi)(chi)(chi)(chi)(chi)(chi)齒(chi)(chi)(chi)(chi)(chi)(chi)端棱邊擠壓，應力集中的(de)弊端，同時(shi)改善了(le)齒(chi)(chi)(chi)(chi)(chi)(chi)面(mian)摩擦、磨損(sun)狀(zhuang)況(kuang)，降低了(le)噪聲，維(wei)修周(zhou)期長。星(xing)形(xing)彈性(xing)聯(lian)(lian)軸(zhou)器(qi)(qi)外(wai)齒(chi)(chi)(chi)(chi)(chi)(chi)套(tao)齒(chi)(chi)(chi)(chi)(chi)(chi)端呈喇叭(ba)形(xing)狀(zhuang)，故不(bu)宜在(zai)高速(su)和有沖(chong)擊(ji)載荷情況(kuang)下(xia)使用(yong)(yong)(yong)，也不(bu)宜用(yong)(yong)(yong)于(yu)立軸(zhou)的(de)聯(lian)(lian)接(jie)。星(xing)型彈性(xing)聯(lian)(lian)軸(zhou)器(qi)(qi)整體結構(gou)設計時(shi)，要(yao)充(chong)分注意齒(chi)(chi)(chi)(chi)(chi)(chi)面(mian)與(yu)滾子之間(jian)的(de)潤滑及防(fang)(fang)塵(chen)，還有安全(quan)防(fang)(fang)護作用(yong)(yong)(yong)。因為鏈條萬(wan)一破斷，可(ke)能(neng)造成(cheng)人身事故。鼓度曲(qu)線曲(qu)率半徑(jing)與(yu)內齒(chi)(chi)(chi)(chi)(chi)(chi)單(dan)側(ce)減(jian)薄量(liang)(liang)成(cheng)正比(bi)，即它與(yu)齒(chi)(chi)(chi)(chi)(chi)(chi)的(de)嚙合間(jian)隙有關，使內、外(wai)齒(chi)(chi)(chi)(chi)(chi)(chi)裝拆十(shi)分方(fang)便。

星型(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)有(you)時被(bei)誤認為是(shi)梅(mei)花(hua)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)，他們安裝后的(de)外(wai)形(xing)(xing)(xing)幾乎(hu)相(xiang)(xiang)似，但是(shi)同(tong)等(deng)型(xing)號下(xia)，星形(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)承受的(de)扭(niu)力(li)更大，相(xiang)(xiang)對(dui)梅(mei)花(hua)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)，它的(de)內孔和(he)外(wai)形(xing)(xing)(xing)可(ke)以做到更小(xiao)。星形(xing)(xing)(xing)彈性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)聚氨脂彈性(xing)(xing)(xing)(xing)體由(you)凸形(xing)(xing)(xing)爪塊限制，聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)是(shi)以工(gong)(gong)程塑(su)料(liao)作彈性(xing)(xing)(xing)(xing)元件，適(shi)用于(yu)聯(lian)(lian)(lian)(lian)接兩同(tong)軸(zhou)(zhou)(zhou)線的(de)傳(chuan)動軸(zhou)(zhou)(zhou)系(xi)，具有(you)補償兩軸(zhou)(zhou)(zhou)相(xiang)(xiang)對(dui)偏移、緩(huan)沖、減震(zhen)、耐(nai)磨性(xing)(xing)(xing)(xing)能，適(shi)應(ying)場合普遍 ，傳(chuan)遞(di)轉(zhuan)矩20-35000.N.M,工(gong)(gong)作溫度-35-+80攝氏度。星型(xing)彈性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)中的(de)彈性(xing)(xing)(xing)(xing)元件是(shi)工(gong)(gong)程塑(su)料(liao)，由(you)于(yu)該工(gong)(gong)程塑(su)料(liao)具有(you)良好的(de)彈性(xing)(xing)(xing)(xing)、緩(huan)沖性(xing)(xing)(xing)(xing)、減震(zhen)性(xing)(xing)(xing)(xing)、耐(nai)磨性(xing)(xing)(xing)(xing)，因此(ci)能很好的(de)補償兩傳(chuan)動軸(zhou)(zhou)(zhou)系(xi)之(zhi)間的(de)各種位移.星形(xing)(xing)(xing)彈性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)的(de)聚氨脂彈性(xing)(xing)(xing)(xing)體由(you)凸形(xing)(xing)(xing)爪塊限制。特點(dian)：預應(ying)力(li)下(xia)無齒隙的(de)連接，用于(yu)主軸(zhou)(zhou)(zhou)傳(chuan)動、升降平臺和(he)機床等(deng)。