多(duo)針(zhen)(zhen)(zhen)機種類繁(fan)多(duo)，縫(feng)紉機零部件(jian)，在裝飾性(xing)縫(feng)紉中應用十分(fen)廣泛。按照針(zhen)(zhen)(zhen)數劃(hua)分(fen)，多(duo)針(zhen)(zhen)(zhen)機有3針(zhen)(zhen)(zhen)、4針(zhen)(zhen)(zhen)、6針(zhen)(zhen)(zhen)、9針(zhen)(zhen)(zhen)、12針(zhen)(zhen)(zhen)、16針(zhen)(zhen)(zhen)、21針(zhen)(zhen)(zhen)、24針(zhen)(zhen)(zhen)、25針(zhen)(zhen)(zhen)、33針(zhen)(zhen)(zhen)、38針(zhen)(zhen)(zhen)、50針(zhen)(zhen)(zhen)縫(feng)紉機。多(duo)針(zhen)(zhen)(zhen)機加上輔(fu)助裝置后可實現打褶，縫(feng)紉機零部件(jian)供應商，打攬，橡筋(jin)抽(chou)皺(zhou)等功能。日本青柳、臺灣銀箭(jian)、以(yi)及國內的(de)金(jin)工牌(pai)、是此領域的(de)佼佼i者，新加入者臺灣金(jin)輪也有不俗的(de)表現。

根據類型分類

梅花聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、波(bo)紋管(guan)聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、膜(mo)片聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、彈性(xing)聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、剛(gang)性(xing)聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、滑塊聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、萬向聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、鏈條式(shi)聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、彈簧螺(luo)旋聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、橡膠樹脂聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、輪胎式(shi)聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、彈性(xing)柱(zhu)銷聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、曲面齒聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、多角式(shi)聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、永磁(ci)性(xing)聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)、安全聯(lian)(lian)軸(zhou)器(qi)(qi)(qi)。

根據性能分類

高(gao)轉速聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、萬向聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、耐(nai)高(gao)溫(wen)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、耐(nai)低溫(wen)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、微(wei)型聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、高(gao)吸震(zhen)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、高(gao)彈性(xing)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、大扭(niu)矩聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、防爆聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、零背隙聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、磁性(xing)化工(gong)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、剛性(xing)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、液(ye)力緩沖聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、防腐聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)、精密型聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)(qi)。

撓(nao)性聯軸器，把分別(bie)連接(jie)在原動(dong)(dong)(dong)軸、被動(dong)(dong)(dong)軸上的(de)(de)小(xiao)齒(chi)(chi)(chi)(chi)(chi)(chi)輪的(de)(de)外齒(chi)(chi)(chi)(chi)(chi)(chi)齒(chi)(chi)(chi)(chi)(chi)(chi)部的(de)(de)節圓附近(jin)(jin)(jin)的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)形(xing)作成在齒(chi)(chi)(chi)(chi)(chi)(chi)寬中部、沿軸向(xiang)、以容許傾斜(xie)角、在靠近(jin)(jin)(jin)齒(chi)(chi)(chi)(chi)(chi)(chi)寬端(duan)接(jie)觸(chu)的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)面，縫(feng)紉機零部件(jian)(jian)廠家(jia)，用使(shi)(shi)齒(chi)(chi)(chi)(chi)(chi)(chi)隙變(bian)(bian)小(xiao)的(de)(de)指(zhi)數函數曲(qu)線將小(xiao)齒(chi)(chi)(chi)(chi)(chi)(chi)輪的(de)(de)外齒(chi)(chi)(chi)(chi)(chi)(chi)齒(chi)(chi)(chi)(chi)(chi)(chi)部形(xing)成凸狀，通(tong)過使(shi)(shi)齒(chi)(chi)(chi)(chi)(chi)(chi)隙變(bian)(bian)小(xiao)，縫(feng)紉機零部件(jian)(jian)哪家(jia)好，能抑制高速旋(xuan)轉(zhuan)(zhuan)時(shi)的(de)(de)旋(xuan)轉(zhuan)(zhuan)振(zhen)動(dong)(dong)(dong)與扭轉(zhuan)(zhuan)振(zhen)動(dong)(dong)(dong)，通(tong)過作成具(ju)有指(zhi)數函數曲(qu)線的(de)(de)齒(chi)(chi)(chi)(chi)(chi)(chi)面凸面，使(shi)(shi)接(jie)觸(chu)點隨著變(bian)(bian)位向(xiang)齒(chi)(chi)(chi)(chi)(chi)(chi)寬端(duan)移動(dong)(dong)(dong)、曲(qu)率半徑隨著靠近(jin)(jin)(jin)齒(chi)(chi)(chi)(chi)(chi)(chi)寬端(duan)變(bian)(bian)大，具(ju)有即使(shi)(shi)傾斜(xie)時(shi)使(shi)(shi)接(jie)觸(chu)齒(chi)(chi)(chi)(chi)(chi)(chi)數減少，也能獲得抑制接(jie)觸(chu)應力增大，傳遞(di)比以往更大動(dong)(dong)(dong)力的(de)(de)效果。