電機是驅動電機，減速器是齒輪箱，提供減速、提升扭矩功能；驅動電機通常需要搭載減速器一起使用，這種集合體稱為減速電機，這是一樣應用非常廣泛的驅動減速設備，下面分別介紹電機、減速器、減速電機的區別。

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)是(shi)指是(shi)一種高(gao)轉速輸出的驅動(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)，驅動(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)門類(lei)繁多，大體可(ke)分為直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)、交流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)、自態角電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)、步(bu)進電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)、旋轉變壓(ya)器(qi)、軸角編碼(ma)器(qi)、交直(zhi)(zhi)流(liu)兩用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)、測速發電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)、感應同步(bu)器(qi)、直(zhi)(zhi)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)、壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)機(ji)(ji)組、其他特種電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)等13大類(lei)。驅動(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)綜合了電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)、微電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子、計算機(ji)(ji)、自動(dong)控制、精密機(ji)(ji)械(xie)、新(xin)材料等多門學(xue)科(ke)的高(gao)新(xin)技術(shu)行業，尤(you)其是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子技術(shu)和(he)新(xin)材料技術(shu)的應用促(cu)進了電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)技術(shu)進步(bu)。

減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)通常(chang)(chang)是指齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)箱(xiang)，齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)箱(xiang)內部由多個(ge)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)組組裝(zhuang)(zhuang)而(er)成(cheng)；減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)是一種(zhong)由封閉在剛(gang)性殼體(ti)內的(de)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)傳(chuan)動(dong)(dong)(dong)(dong)、蝸(gua)桿傳(chuan)動(dong)(dong)(dong)(dong)、齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)-蝸(gua)桿傳(chuan)動(dong)(dong)(dong)(dong)所(suo)組成(cheng)的(de)獨立部件(jian)，常(chang)(chang)用(yong)作(zuo)原(yuan)動(dong)(dong)(dong)(dong)件(jian)與工(gong)(gong)作(zuo)機(ji)之間的(de)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)傳(chuan)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)置(zhi)?。在原(yuan)動(dong)(dong)(dong)(dong)機(ji)和(he)工(gong)(gong)作(zuo)機(ji)或執行(xing)機(ji)構之間起匹(pi)配(pei)轉速(su)(su)(su)(su)和(he)傳(chuan)遞(di)轉矩的(de)作(zuo)用(yong)，在現代機(ji)械中應用(yong)極為廣泛(fan)。減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)的(de)種(zhong)類(lei)繁(fan)多，按(an)照(zhao)(zhao)傳(chuan)動(dong)(dong)(dong)(dong)類(lei)型可(ke)分(fen)為齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)、蝸(gua)桿減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)和(he)行(xing)星齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)；按(an)照(zhao)(zhao)傳(chuan)動(dong)(dong)(dong)(dong)級數不同可(ke)分(fen)為單級和(he)多級減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)；按(an)照(zhao)(zhao)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)形(xing)狀可(ke)分(fen)為圓柱齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)、圓錐(zhui)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)和(he)圓錐(zhui)－圓柱齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)；按(an)照(zhao)(zhao)傳(chuan)動(dong)(dong)(dong)(dong)的(de)布置(zhi)形(xing)式又可(ke)分(fen)為展(zhan)開式減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)、分(fen)流(liu)式減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)和(he)同軸(zhou)式減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)。

減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)是由(you)(you)驅(qu)動電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)器組裝(zhuang)而(er)成(cheng)大減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)，具有(you)輸出(chu)低(di)轉速(su)(su)(su)(su)(su)(su)、提升(sheng)扭矩(ju)載荷(he)能力的功能。這種減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)通常(chang)也可稱為齒(chi)輪馬達(da)或齒(chi)輪電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)。通常(chang)由(you)(you)專(zhuan)業的減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)(ji)(ji)生產廠，進行(xing)集成(cheng)組裝(zhuang)好后，與電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)一(yi)體(ti)成(cheng)套供貨。減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)按照用(yong)途、驅(qu)動電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)類型、減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)齒(chi)輪箱(xiang)結構通常(chang)分為行(xing)星減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、齒(chi)輪減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、步進減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、直流減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、蝸(gua)輪蝸(gua)桿減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、空心杯減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、直線減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、微型減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、精(jing)密減(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)(su)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)等。