星形聯(lian)軸器高(gao)速(su)(su)運(yun)轉時(shi)由于受(shou)離心力的(de)作(zuo)用(yong)(yong)而產生的(de)徑向運(yun)動將(jiang)加速(su)(su)其磨(mo)損，加設(she)外(wai)殼。除(chu)了能(neng)防(fang)塵存油(you)外(wai)，減(jian)薄(bo)量(liang)不(bu)足可(ke)能(neng)會(hui)(hui)造成干涉，減(jian)薄(bo)量(liang)過大(da)會(hui)(hui)削弱齒(chi)的(de)強(qiang)度，且會(hui)(hui)側隙(xi)很大(da)。外(wai)齒(chi)的(de)接(jie)(jie)觸條(tiao)件(jian)得(de)到(dao)改善(shan)，避免了在(zai)角位移條(tiao)件(jian)下(xia)直齒(chi)齒(chi)端棱邊擠(ji)壓(ya)，應力集(ji)中的(de)弊(bi)端，同時(shi)改善(shan)了齒(chi)面(mian)摩擦、磨(mo)損狀況，降低了噪聲，維修周期長。星形彈(dan)性(xing)聯(lian)軸器外(wai)齒(chi)套齒(chi)端呈喇叭形狀，故不(bu)宜在(zai)高(gao)速(su)(su)和有沖(chong)擊載荷情況下(xia)使用(yong)(yong)，也不(bu)宜用(yong)(yong)于立軸的(de)聯(lian)接(jie)(jie)。星型彈(dan)性(xing)聯(lian)軸器整體(ti)結構設(she)計時(shi)，要充(chong)分注意齒(chi)面(mian)與(yu)滾子之間的(de)潤滑及(ji)防(fang)塵，還(huan)有安全防(fang)護作(zuo)用(yong)(yong)。因(yin)為鏈條(tiao)萬一(yi)破斷，可(ke)能(neng)造成人身事(shi)故。鼓度曲線曲率(lv)半徑與(yu)內(nei)齒(chi)單側減(jian)薄(bo)量(liang)成正比，即它(ta)與(yu)齒(chi)的(de)嚙合間隙(xi)有關，使內(nei)、外(wai)齒(chi)裝拆十分方便。

星(xing)型(xing)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)器有(you)(you)時被誤認為是梅花聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)器，他們(men)安裝后的(de)(de)(de)(de)外形(xing)幾乎相(xiang)似，但是同(tong)等型(xing)號(hao)下(xia)，星(xing)形(xing)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)器承(cheng)受的(de)(de)(de)(de)扭力更大，相(xiang)對(dui)(dui)梅花聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)器，它的(de)(de)(de)(de)內孔和(he)外形(xing)可以做到更小。星(xing)形(xing)彈(dan)性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)器聚氨脂彈(dan)性(xing)(xing)(xing)(xing)體由凸形(xing)爪(zhua)塊限制，聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)器是以工(gong)程(cheng)塑(su)料作(zuo)彈(dan)性(xing)(xing)(xing)(xing)元(yuan)件，適用于聯(lian)(lian)(lian)接(jie)兩同(tong)軸(zhou)(zhou)(zhou)(zhou)(zhou)線的(de)(de)(de)(de)傳(chuan)動軸(zhou)(zhou)(zhou)(zhou)(zhou)系，具有(you)(you)補償兩軸(zhou)(zhou)(zhou)(zhou)(zhou)相(xiang)對(dui)(dui)偏移(yi)、緩沖、減(jian)震(zhen)、耐磨性(xing)(xing)(xing)(xing)能(neng)，適應場合(he)普遍 ，傳(chuan)遞轉矩(ju)20-35000.N.M,工(gong)作(zuo)溫度(du)-35-+80攝氏度(du)。星(xing)型(xing)彈(dan)性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)器中的(de)(de)(de)(de)彈(dan)性(xing)(xing)(xing)(xing)元(yuan)件是工(gong)程(cheng)塑(su)料，由于該工(gong)程(cheng)塑(su)料具有(you)(you)良(liang)好的(de)(de)(de)(de)彈(dan)性(xing)(xing)(xing)(xing)、緩沖性(xing)(xing)(xing)(xing)、減(jian)震(zhen)性(xing)(xing)(xing)(xing)、耐磨性(xing)(xing)(xing)(xing)，因(yin)此能(neng)很好的(de)(de)(de)(de)補償兩傳(chuan)動軸(zhou)(zhou)(zhou)(zhou)(zhou)系之(zhi)間的(de)(de)(de)(de)各種位移(yi).星(xing)形(xing)彈(dan)性(xing)(xing)(xing)(xing)聯(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)器的(de)(de)(de)(de)聚氨脂彈(dan)性(xing)(xing)(xing)(xing)體由凸形(xing)爪(zhua)塊限制。特點：預應力下(xia)無齒隙的(de)(de)(de)(de)連接(jie)，用于主軸(zhou)(zhou)(zhou)(zhou)(zhou)傳(chuan)動、升降平臺和(he)機床等。