聯軸器的選擇很重要,選擇合適的聯軸器,可(ke)以提高其工作效率,那么大家知(zhi)道選擇聯(lian)軸(zhou)器的主要依據有哪(na)些嗎(ma)?下面跟隨聯(lian)軸(zhou)器小編來了解一下吧(ba):
動(dong)(dong)(dong)力機的(de)(de)(de)類別是(shi)選擇聯(lian)軸(zhou)(zhou)(zhou)器品種(zhong)的(de)(de)(de)基本因素;動(dong)(dong)(dong)力機的(de)(de)(de)功率是(shi)確定聯(lian)軸(zhou)(zhou)(zhou)器的(de)(de)(de)規格(ge)大小的(de)(de)(de)主(zhu)要依據之一,與聯(lian)軸(zhou)(zhou)(zhou)器轉矩(ju)成正(zheng)比(bi)。動(dong)(dong)(dong)力機到工作之間(jian)通過一個或數個不(bu)同(tong)品種(zhong)或不(bu)同(tong)型式、規格(ge)的(de)(de)(de)聯(lian)軸(zhou)(zhou)(zhou)器將主(zhu)、從動(dong)(dong)(dong)端起來,形成軸(zhou)(zhou)(zhou)系傳動(dong)(dong)(dong)系統。
在機(ji)(ji)械傳(chuan)動(dong)中(zhong),動(dong)力(li)(li)機(ji)(ji)不外乎(hu)電(dian)動(dong)機(ji)(ji)、內(nei)燃機(ji)(ji)和(he)汽輪機(ji)(ji)。由于(yu)動(dong)力(li)(li)機(ji)(ji)工作(zuo)原理(li)和(he)結構的不同,其機(ji)(ji)械特(te)性差別很(hen)大(da),有(you)的運轉平穩,有(you)的運轉時有(you)沖擊,對(dui)傳(chuan)動(dong)系統形成不等的影響。根據動(dong)力(li)(li)機(ji)(ji)的機(ji)(ji)械特(te)性,應選取相應的動(dong)力(li)(li)機(ji)(ji)系數KW,選擇(ze)適合于(yu)該系統的 佳(jia)聯軸器(qi)。
傳動(dong)(dong)(dong)系統的(de)載荷類(lei)別是(shi)選擇(ze)聯(lian)(lian)軸(zhou)器(qi)品(pin)種的(de)基本依(yi)據。沖擊、振動(dong)(dong)(dong)和轉矩(ju)變化較(jiao)大的(de)工(gong)作載荷,應選擇(ze)具有彈(dan)(dan)性(xing)(xing)元件的(de)撓性(xing)(xing)聯(lian)(lian)軸(zhou)器(qi)即彈(dan)(dan)性(xing)(xing)聯(lian)(lian)軸(zhou)器(qi),以(yi)緩沖、減振、補償(chang)軸(zhou)線偏移, 傳動(dong)(dong)(dong)系統工(gong)作性(xing)(xing)能。啟動(dong)(dong)(dong)頻繁、正(zheng)(zheng)反轉、制動(dong)(dong)(dong)時(shi)的(de)轉矩(ju)是(shi)正(zheng)(zheng)常(chang)平(ping)衡工(gong)作時(shi)轉矩(ju)的(de)數倍,是(shi)超(chao)載工(gong)作,必然縮短(duan)聯(lian)(lian)軸(zhou)器(qi)彈(dan)(dan)性(xing)(xing)元件使用壽命,聯(lian)(lian)軸(zhou)器(qi)只允許(xu)短(duan)間(jian)超(chao)載,一(yi)般短(duan)時(shi)間(jian)載不得超(chao)過公(gong)稱(cheng)轉矩(ju)的(de)2~3倍,即[Tmax]≥2~3Tn。