星(xing)形(xing)聯(lian)(lian)軸器高速運(yun)轉時(shi)由于(yu)受離(li)心力的(de)(de)作(zuo)用(yong)而產生的(de)(de)徑(jing)向運(yun)動將加(jia)速其磨(mo)(mo)損(sun)，加(jia)設外(wai)(wai)殼。除(chu)了(le)(le)能防(fang)塵存油(you)外(wai)(wai)，減(jian)(jian)薄(bo)量(liang)不(bu)(bu)足可(ke)能會(hui)造成干涉，減(jian)(jian)薄(bo)量(liang)過大會(hui)削弱齒(chi)的(de)(de)強度，且會(hui)側(ce)隙(xi)很大。外(wai)(wai)齒(chi)的(de)(de)接觸條(tiao)件得(de)到改善，避免(mian)了(le)(le)在角位移條(tiao)件下直齒(chi)齒(chi)端棱邊擠壓，應力集中的(de)(de)弊(bi)端，同時(shi)改善了(le)(le)齒(chi)面摩擦、磨(mo)(mo)損(sun)狀(zhuang)況(kuang)，降低了(le)(le)噪聲，維修周(zhou)期長。星(xing)形(xing)彈(dan)性聯(lian)(lian)軸器外(wai)(wai)齒(chi)套齒(chi)端呈喇叭(ba)形(xing)狀(zhuang)，故不(bu)(bu)宜在高速和有沖擊載荷情況(kuang)下使(shi)用(yong)，也不(bu)(bu)宜用(yong)于(yu)立(li)軸的(de)(de)聯(lian)(lian)接。星(xing)型(xing)彈(dan)性聯(lian)(lian)軸器整體結構設計時(shi)，要充分注(zhu)意齒(chi)面與(yu)(yu)滾子之間的(de)(de)潤滑(hua)及防(fang)塵，還有安全防(fang)護作(zuo)用(yong)。因為(wei)鏈條(tiao)萬一破斷，可(ke)能造成人身事故。鼓度曲線(xian)曲率(lv)半徑(jing)與(yu)(yu)內齒(chi)單側(ce)減(jian)(jian)薄(bo)量(liang)成正比，即它與(yu)(yu)齒(chi)的(de)(de)嚙(nie)合(he)間隙(xi)有關(guan)，使(shi)內、外(wai)(wai)齒(chi)裝拆(chai)十分方(fang)便。

星型聯(lian)軸(zhou)(zhou)器(qi)(qi)有(you)時被誤認為是梅花(hua)聯(lian)軸(zhou)(zhou)器(qi)(qi)，他們(men)安裝后的外形(xing)(xing)幾乎相似，但(dan)是同(tong)(tong)等型號下，星形(xing)(xing)聯(lian)軸(zhou)(zhou)器(qi)(qi)承受的扭力(li)更大，相對(dui)梅花(hua)聯(lian)軸(zhou)(zhou)器(qi)(qi)，它的內孔和(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)軸(zhou)(zhou)器(qi)(qi)聚(ju)氨(an)(an)脂(zhi)彈(dan)(dan)(dan)性(xing)(xing)(xing)體由凸(tu)形(xing)(xing)爪(zhua)塊(kuai)限制，聯(lian)軸(zhou)(zhou)器(qi)(qi)是以工(gong)(gong)程塑料作彈(dan)(dan)(dan)性(xing)(xing)(xing)元(yuan)(yuan)件(jian)，適(shi)用(yong)(yong)于(yu)(yu)聯(lian)接兩(liang)同(tong)(tong)軸(zhou)(zhou)線的傳(chuan)動(dong)軸(zhou)(zhou)系，具有(you)補償(chang)兩(liang)軸(zhou)(zhou)相對(dui)偏移、緩沖、減震(zhen)、耐(nai)磨性(xing)(xing)(xing)能，適(shi)應場(chang)合(he)普遍 ，傳(chuan)遞轉矩20-35000.N.M,工(gong)(gong)作溫度-35-+80攝(she)氏度。星型彈(dan)(dan)(dan)性(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)器(qi)(qi)中的彈(dan)(dan)(dan)性(xing)(xing)(xing)元(yuan)(yuan)件(jian)是工(gong)(gong)程塑料，由于(yu)(yu)該工(gong)(gong)程塑料具有(you)良好的彈(dan)(dan)(dan)性(xing)(xing)(xing)、緩沖性(xing)(xing)(xing)、減震(zhen)性(xing)(xing)(xing)、耐(nai)磨性(xing)(xing)(xing)，因此(ci)能很好的補償(chang)兩(liang)傳(chuan)動(dong)軸(zhou)(zhou)系之間的各種位移.星形(xing)(xing)彈(dan)(dan)(dan)性(xing)(xing)(xing)聯(lian)軸(zhou)(zhou)器(qi)(qi)的聚(ju)氨(an)(an)脂(zhi)彈(dan)(dan)(dan)性(xing)(xing)(xing)體由凸(tu)形(xing)(xing)爪(zhua)塊(kuai)限制。特點：預應力(li)下無齒隙的連接，用(yong)(yong)于(yu)(yu)主軸(zhou)(zhou)傳(chuan)動(dong)、升降平(ping)臺和(he)機床等。