齒輪減速機也稱為齒輪減速箱、齒(chi)(chi)(chi)(chi)輪減(jian)速(su)馬達；齒(chi)(chi)(chi)(chi)輪減(jian)速(su)機(ji)的(de)(de)齒(chi)(chi)(chi)(chi)輪類(lei)型(xing)(xing)常用(yong)(yong)(yong)的(de)(de)有普(pu)通圓(yuan)柱齒(chi)(chi)(chi)(chi)輪,錐齒(chi)(chi)(chi)(chi)輪傘齒(chi)(chi)(chi)(chi)輪,行星齒(chi)(chi)(chi)(chi)輪,蝸(gua)(gua)輪蝸(gua)(gua)桿(gan)齒(chi)(chi)(chi)(chi)條,非(fei)圓(yuan)齒(chi)(chi)(chi)(chi)輪,擺(bai)線針齒(chi)(chi)(chi)(chi)輪,圓(yuan)弧齒(chi)(chi)(chi)(chi)輪,硬齒(chi)(chi)(chi)(chi)面(mian)斜齒(chi)(chi)(chi)(chi)輪。齒(chi)(chi)(chi)(chi)輪類(lei)型(xing)(xing)應用(yong)(yong)(yong)主要(yao)是(shi)根據功率大小(xiao)和應用(yong)(yong)(yong)方向來(lai)選用(yong)(yong)(yong)的(de)(de)，在微型(xing)(xing)減(jian)速(su)電機(ji)領域（小(xiao)功率減(jian)速(su)機(ji)），24v以下的(de)(de)減(jian)速(su)機(ji)，在目前市(shi)場(chang)上應用(yong)(yong)(yong)的(de)(de)主要(yao)是(shi)普(pu)通圓(yuan)柱齒(chi)(chi)(chi)(chi)輪、行星齒(chi)(chi)(chi)(chi)輪、渦輪蝸(gua)(gua)桿(gan)齒(chi)(chi)(chi)(chi)輪，這類(lei)齒(chi)(chi)(chi)(chi)輪通用(yong)(yong)(yong)性(xing)(xing)強(qiang)、性(xing)(xing)能，具備精度，接觸性(xing)(xing)好，傳動效率，運轉平(ping)穩，噪(zao)音低；體積小(xiao)、重量(liang)輕、使用(yong)(yong)(yong)壽命(ming)長、承載能力(li)等特點；齒(chi)(chi)(chi)(chi)輪類(lei)型(xing)(xing)材質(zhi)根據用(yong)(yong)(yong)途不能，分為金屬材質(zhi)和塑膠材質(zhi)，是(shi)目前主流減(jian)速(su)機(ji)齒(chi)(chi)(chi)(chi)輪材質(zhi)。