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)機(ji)(ji)是(shi)指是(shi)一種高轉速輸(shu)出的驅(qu)動(dong)電(dian)(dian)機(ji)(ji)，驅(qu)動(dong)電(dian)(dian)機(ji)(ji)門類(lei)繁(fan)多(duo)，大(da)體(ti)可分(fen)為(wei)直(zhi)流電(dian)(dian)動(dong)機(ji)(ji)、交流電(dian)(dian)動(dong)機(ji)(ji)、自態角(jiao)電(dian)(dian)動(dong)機(ji)(ji)、步(bu)進電(dian)(dian)動(dong)機(ji)(ji)、旋轉變壓器、軸角(jiao)編碼器、交直(zhi)流兩用(yong)電(dian)(dian)動(dong)機(ji)(ji)、測速發電(dian)(dian)機(ji)(ji)、感(gan)應同步(bu)器、直(zhi)線電(dian)(dian)機(ji)(ji)、壓電(dian)(dian)電(dian)(dian)動(dong)機(ji)(ji)、電(dian)(dian)機(ji)(ji)機(ji)(ji)組、其(qi)他特種電(dian)(dian)機(ji)(ji)等13大類。驅(qu)動(dong)電(dian)機(ji)(ji)綜合了電(dian)機(ji)(ji)、微(wei)電(dian)子(zi)、電(dian)力電(dian)子(zi)、計算機(ji)(ji)、自(zi)動(dong)控(kong)制、精密機(ji)(ji)械、新材料等多門學科的(de)高新技(ji)術(shu)行(xing)業，尤(you)其是電(dian)子(zi)技(ji)術(shu)和(he)新材料技(ji)術(shu)的(de)應(ying)用促進了電(dian)機(ji)(ji)技(ji)術(shu)進步。

減(jian)(jian)速(su)器(qi)通常是(shi)指齒(chi)輪(lun)(lun)減(jian)(jian)速(su)箱，齒(chi)輪(lun)(lun)箱內部由多(duo)個齒(chi)輪(lun)(lun)組(zu)組(zu)裝而成(cheng)；減(jian)(jian)速(su)器(qi)是(shi)一(yi)種由封(feng)閉在剛性殼體內的齒(chi)輪(lun)(lun)傳(chuan)動(dong)、蝸桿傳(chuan)動(dong)、齒(chi)輪(lun)(lun)-蝸桿(gan)傳(chuan)動(dong)(dong)所組(zu)成的獨立部件(jian)，常用(yong)作(zuo)原(yuan)動(dong)(dong)件(jian)與工作(zuo)機之(zhi)間的減速傳(chuan)動(dong)(dong)裝置(zhi) 。在原(yuan)動機和(he)(he)工(gong)作機或執行(xing)機構之間起匹配轉速(su)(su)(su)(su)和(he)(he)傳(chuan)遞轉矩的作用，在現代機械中應用極為(wei)廣泛。減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)的種(zhong)類(lei)繁(fan)多(duo)，按照(zhao)(zhao)(zhao)傳(chuan)動類(lei)型可分(fen)為(wei)齒(chi)(chi)輪減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)、蝸桿(gan)減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)和(he)(he)行(xing)星齒(chi)(chi)輪減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)；按照(zhao)(zhao)(zhao)傳(chuan)動級(ji)數不同(tong)可分(fen)為(wei)單級(ji)和(he)(he)多(duo)級(ji)減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)；按照(zhao)(zhao)(zhao)齒(chi)(chi)輪形狀可分(fen)為(wei)圓柱齒(chi)(chi)輪減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)、圓錐(zhui)齒(chi)(chi)輪減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)和(he)(he)圓錐(zhui)－圓柱齒(chi)(chi)輪減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)；按照(zhao)(zhao)(zhao)傳(chuan)動的布置形式(shi)又可分(fen)為(wei)展開式(shi)減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)、分(fen)流式(shi)減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)和(he)(he)同(tong)軸式(shi)減(jian)(jian)速(su)(su)(su)(su)器(qi)(qi)。

減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)是由驅(qu)動(dong)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)器(qi)組(zu)裝而成大減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)，具有(you)輸出低轉速(su)(su)(su)、提升扭矩載荷能(neng)力的功能(neng)。這種(zhong)減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)通(tong)常(chang)也可稱為齒(chi)(chi)輪(lun)馬達或(huo)齒(chi)(chi)輪(lun)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)。通(tong)常(chang)由專業的減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)(ji)(ji)生產廠(chang)，進行(xing)(xing)集成組(zu)裝好后，與電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)一體成套供貨。減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)按照用(yong)途、驅(qu)動(dong)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)類(lei)型(xing)、減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)齒(chi)(chi)輪(lun)箱結構通(tong)常(chang)分為行(xing)(xing)星減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、齒(chi)(chi)輪(lun)減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、步進減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、直流減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、蝸(gua)(gua)輪(lun)蝸(gua)(gua)桿(gan)減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、空心杯(bei)減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、直線(xian)減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、微型(xing)減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)、精密減(jian)(jian)(jian)(jian)(jian)(jian)(jian)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)等。