星(xing)形(xing)聯軸(zhou)器高速運轉(zhuan)時(shi)由于受(shou)離(li)心力的(de)(de)作用(yong)而產生的(de)(de)徑(jing)向運動將加(jia)速其磨損，加(jia)設外殼。除了能防塵存油外，減薄(bo)量不(bu)足可(ke)能會造成(cheng)(cheng)干(gan)涉，減薄(bo)量過大會削弱齒(chi)(chi)(chi)的(de)(de)強(qiang)度，且會側隙很大。外齒(chi)(chi)(chi)的(de)(de)接觸(chu)條(tiao)件得(de)到(dao)改(gai)善，避免了在角(jiao)位移條(tiao)件下(xia)直(zhi)齒(chi)(chi)(chi)齒(chi)(chi)(chi)端棱邊擠壓，應力集中的(de)(de)弊端，同時(shi)改(gai)善了齒(chi)(chi)(chi)面(mian)摩擦、磨損狀況(kuang)，降低了噪聲，維修(xiu)周(zhou)期長。星(xing)形(xing)彈(dan)性(xing)聯軸(zhou)器外齒(chi)(chi)(chi)套(tao)齒(chi)(chi)(chi)端呈喇(la)叭形(xing)狀，故(gu)不(bu)宜在高速和有(you)沖(chong)擊載(zai)荷情(qing)況(kuang)下(xia)使用(yong)，也不(bu)宜用(yong)于立軸(zhou)的(de)(de)聯接。星(xing)型彈(dan)性(xing)聯軸(zhou)器整(zheng)體結(jie)構設計(ji)時(shi)，要充分注意齒(chi)(chi)(chi)面(mian)與滾子之(zhi)間(jian)的(de)(de)潤滑及防塵，還有(you)安全(quan)防護作用(yong)。因為鏈條(tiao)萬一(yi)破斷(duan)，可(ke)能造成(cheng)(cheng)人身事故(gu)。鼓度曲線曲率半徑(jing)與內(nei)齒(chi)(chi)(chi)單側減薄(bo)量成(cheng)(cheng)正比，即(ji)它與齒(chi)(chi)(chi)的(de)(de)嚙合間(jian)隙有(you)關，使內(nei)、外齒(chi)(chi)(chi)裝拆十分方便。

星(xing)(xing)型(xing)聯(lian)軸(zhou)(zhou)器(qi)有時被誤(wu)認為是(shi)梅花聯(lian)軸(zhou)(zhou)器(qi)，他們(men)安裝后的(de)(de)(de)(de)外(wai)形(xing)幾(ji)乎相(xiang)似，但是(shi)同等(deng)(deng)型(xing)號下，星(xing)(xing)形(xing)聯(lian)軸(zhou)(zhou)器(qi)承受的(de)(de)(de)(de)扭(niu)力更大，相(xiang)對梅花聯(lian)軸(zhou)(zhou)器(qi)，它的(de)(de)(de)(de)內孔和(he)外(wai)形(xing)可以(yi)做到更小。星(xing)(xing)形(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)器(qi)聚(ju)氨脂(zhi)彈(dan)(dan)(dan)性(xing)(xing)(xing)體由(you)凸形(xing)爪(zhua)(zhua)塊限(xian)制，聯(lian)軸(zhou)(zhou)器(qi)是(shi)以(yi)工(gong)程塑(su)料作彈(dan)(dan)(dan)性(xing)(xing)(xing)元件(jian)，適用于聯(lian)接(jie)兩(liang)同軸(zhou)(zhou)線的(de)(de)(de)(de)傳動(dong)軸(zhou)(zhou)系(xi)，具有補(bu)償兩(liang)軸(zhou)(zhou)相(xiang)對偏(pian)移、緩沖、減震(zhen)、耐磨(mo)性(xing)(xing)(xing)能，適應場合普遍 ，傳遞轉矩20-35000.N.M,工(gong)作溫(wen)度-35-+80攝(she)氏(shi)度。星(xing)(xing)型(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)器(qi)中的(de)(de)(de)(de)彈(dan)(dan)(dan)性(xing)(xing)(xing)元件(jian)是(shi)工(gong)程塑(su)料，由(you)于該工(gong)程塑(su)料具有良好的(de)(de)(de)(de)彈(dan)(dan)(dan)性(xing)(xing)(xing)、緩沖性(xing)(xing)(xing)、減震(zhen)性(xing)(xing)(xing)、耐磨(mo)性(xing)(xing)(xing)，因(yin)此(ci)能很好的(de)(de)(de)(de)補(bu)償兩(liang)傳動(dong)軸(zhou)(zhou)系(xi)之間的(de)(de)(de)(de)各(ge)種(zhong)位移.星(xing)(xing)形(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)器(qi)的(de)(de)(de)(de)聚(ju)氨脂(zhi)彈(dan)(dan)(dan)性(xing)(xing)(xing)體由(you)凸形(xing)爪(zhua)(zhua)塊限(xian)制。特(te)點(dian)：預應力下無齒隙的(de)(de)(de)(de)連(lian)接(jie)，用于主軸(zhou)(zhou)傳動(dong)、升降平臺和(he)機床等(deng)(deng)。