星(xing)形(xing)聯(lian)軸器高速(su)運(yun)(yun)轉時(shi)由(you)于受離心力的(de)(de)作用而產生的(de)(de)徑向運(yun)(yun)動將加(jia)速(su)其磨(mo)損(sun)，加(jia)設外(wai)(wai)(wai)殼。除(chu)了(le)能防塵(chen)存油外(wai)(wai)(wai)，減薄(bo)(bo)量不足可(ke)能會造成(cheng)干涉(she)，減薄(bo)(bo)量過(guo)大(da)會削弱(ruo)齒(chi)(chi)(chi)的(de)(de)強度，且會側(ce)隙(xi)很大(da)。外(wai)(wai)(wai)齒(chi)(chi)(chi)的(de)(de)接(jie)觸條件得(de)到改善，避免了(le)在角位移條件下(xia)直齒(chi)(chi)(chi)齒(chi)(chi)(chi)端(duan)(duan)棱邊擠壓，應力集(ji)中的(de)(de)弊端(duan)(duan)，同時(shi)改善了(le)齒(chi)(chi)(chi)面摩擦、磨(mo)損(sun)狀(zhuang)況，降低了(le)噪聲，維修周期長(chang)。星(xing)形(xing)彈性聯(lian)軸器外(wai)(wai)(wai)齒(chi)(chi)(chi)套齒(chi)(chi)(chi)端(duan)(duan)呈(cheng)喇叭(ba)形(xing)狀(zhuang)，故不宜在高速(su)和有(you)(you)沖擊載荷(he)情況下(xia)使用，也不宜用于立軸的(de)(de)聯(lian)接(jie)。星(xing)型彈性聯(lian)軸器整體結構設計時(shi)，要充分(fen)注意齒(chi)(chi)(chi)面與滾子之間的(de)(de)潤滑及防塵(chen)，還有(you)(you)安全防護(hu)作用。因為鏈(lian)條萬(wan)一破(po)斷，可(ke)能造成(cheng)人身事(shi)故。鼓度曲線曲率半徑與內(nei)齒(chi)(chi)(chi)單側(ce)減薄(bo)(bo)量成(cheng)正比(bi)，即它與齒(chi)(chi)(chi)的(de)(de)嚙合間隙(xi)有(you)(you)關，使內(nei)、外(wai)(wai)(wai)齒(chi)(chi)(chi)裝(zhuang)拆十分(fen)方(fang)便。

星型聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)有時被誤(wu)認(ren)為是(shi)梅花聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)，他們(men)安裝(zhuang)后(hou)的(de)(de)外形(xing)(xing)幾(ji)乎(hu)相(xiang)似，但是(shi)同等型號下(xia)，星形(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)承(cheng)受的(de)(de)扭力更大，相(xiang)對梅花聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)，它(ta)的(de)(de)內(nei)孔和(he)外形(xing)(xing)可以做(zuo)到更小。星形(xing)(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)聚(ju)氨脂(zhi)(zhi)彈(dan)(dan)(dan)性(xing)(xing)(xing)體由(you)凸(tu)形(xing)(xing)爪(zhua)塊(kuai)(kuai)限(xian)制(zhi)，聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)是(shi)以工(gong)程(cheng)塑(su)料(liao)(liao)作(zuo)彈(dan)(dan)(dan)性(xing)(xing)(xing)元件，適(shi)用于(yu)聯(lian)(lian)(lian)(lian)接兩同軸(zhou)(zhou)(zhou)(zhou)線的(de)(de)傳(chuan)動(dong)軸(zhou)(zhou)(zhou)(zhou)系(xi)，具(ju)有補償(chang)兩軸(zhou)(zhou)(zhou)(zhou)相(xiang)對偏移、緩沖(chong)、減震(zhen)、耐磨(mo)性(xing)(xing)(xing)能(neng)，適(shi)應(ying)場合普遍 ，傳(chuan)遞轉(zhuan)矩20-35000.N.M,工(gong)作(zuo)溫度(du)-35-+80攝氏度(du)。星型彈(dan)(dan)(dan)性(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)中的(de)(de)彈(dan)(dan)(dan)性(xing)(xing)(xing)元件是(shi)工(gong)程(cheng)塑(su)料(liao)(liao)，由(you)于(yu)該工(gong)程(cheng)塑(su)料(liao)(liao)具(ju)有良好的(de)(de)彈(dan)(dan)(dan)性(xing)(xing)(xing)、緩沖(chong)性(xing)(xing)(xing)、減震(zhen)性(xing)(xing)(xing)、耐磨(mo)性(xing)(xing)(xing)，因(yin)此能(neng)很(hen)好的(de)(de)補償(chang)兩傳(chuan)動(dong)軸(zhou)(zhou)(zhou)(zhou)系(xi)之間的(de)(de)各(ge)種位移.星形(xing)(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)(qi)的(de)(de)聚(ju)氨脂(zhi)(zhi)彈(dan)(dan)(dan)性(xing)(xing)(xing)體由(you)凸(tu)形(xing)(xing)爪(zhua)塊(kuai)(kuai)限(xian)制(zhi)。特點(dian)：預應(ying)力下(xia)無(wu)齒隙(xi)的(de)(de)連接，用于(yu)主(zhu)軸(zhou)(zhou)(zhou)(zhou)傳(chuan)動(dong)、升降平臺和(he)機床等。