行星減速機之驅動(dong)(dong)(dong)(dong)結構(gou)為(wei)(wei)目前齒(chi)(chi)(chi)輪(lun)減速(su)機效率(lv)之組合(he)，其基本驅動(dong)(dong)(dong)(dong)結構(gou)為(wei)(wei)四個部分：太(tai)(tai)(tai)陽齒(chi)(chi)(chi)輪(lun)、行(xing)(xing)星(xing)(xing)齒(chi)(chi)(chi)輪(lun)（組合(he)于(yu)行(xing)(xing)星(xing)(xing)架）、內齒(chi)(chi)(chi)輪(lun)環、馬達(da)以(yi)直接連接的方(fang)式啟動(dong)(dong)(dong)(dong)太(tai)(tai)(tai)陽齒(chi)(chi)(chi)輪(lun)，太(tai)(tai)(tai)陽齒(chi)(chi)(chi)輪(lun)將(jiang)組合(he)于(yu)行(xing)(xing)星(xing)(xing)齒(chi)(chi)(chi)輪(lun)架上(shang)的行(xing)(xing)星(xing)(xing)齒(chi)(chi)(chi)輪(lun)帶(dai)動(dong)(dong)(dong)(dong)運轉。整組行(xing)(xing)星(xing)(xing)齒(chi)(chi)(chi)輪(lun)系統沿著外齒(chi)(chi)(chi)輪(lun)環自動(dong)(dong)(dong)(dong)運行(xing)(xing)轉動(dong)(dong)(dong)(dong)，行(xing)(xing)星(xing)(xing)架連接出力(li)軸輸出達(da)到(dao)加速(su)目的。更減速(su)比則需要由(you)多組階(jie)段齒(chi)(chi)(chi)輪(lun)與(yu)行(xing)(xing)星(xing)(xing)齒(chi)(chi)(chi)輪(lun)倍增累計(ji)而成。

行(xing)星(xing)(xing)減(jian)速機的(de)(de)級數說明：行(xing)星(xing)(xing)齒(chi)(chi)輪的(de)(de)套數。行(xing)星(xing)(xing)減(jian)速機的(de)(de)特性(xing)：體積小(xiao)、重量輕，承載能力，使用(yong)壽命長、運(yun)轉平穩，噪(zao)聲低、輸出扭矩大(da)，速比大(da)、良好(hao)、性(xing)能安全的(de)(de)特點(dian)。兼(jian)具功(gong)率分流、多齒(chi)(chi)嚙合用(yong)的(de)(de)特性(xing)；下圖是行(xing)星(xing)(xing)減(jian)速機齒(chi)(chi)輪結構組(zu)成(cheng)，A-外齒(chi)(chi)圈，B-太陽輪，C-行(xing)星(xing)(xing)輪。

常用行星齒輪減速機