漸開線圓柱(圓弧)減速器  圓錐圓柱齒輪減速器  行星齒輪減速器  硬齒面減速器  中硬齒面減速器  擺線減速器  圓柱蝸桿減速器 

Involute cylindrical (circular arc) reducer conical cylindrical gear reducer planetary gear reducer hard tooth surface reducer medium hard tooth surface reducer cycloid reducer cylindrical worm reducer