行星減速機是一種用途廣泛的工業產品，可以降低電機的轉速，同時增大輸出轉矩。行星減速機可作為配套部件用于起重、挖掘、運(yun)輸(shu)、建(jian)筑等行業(ye)。

級(ji)(ji)數：行(xing)(xing)星(xing)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)的(de)套數。由(you)于一(yi)套行(xing)(xing)星(xing)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)無法滿(man)足較(jiao)大的(de)傳動(dong)比(bi)，有(you)(you)時(shi)需(xu)要(yao)2套或(huo)者(zhe)3套來滿(man)足用戶較(jiao)大的(de)傳動(dong)比(bi)的(de)要(yao)求.由(you)于增加了行(xing)(xing)星(xing)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)的(de)數量，所(suo)(suo)以2級(ji)(ji)或(huo)3級(ji)(ji)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)的(de)長(chang)度會有(you)(you)所(suo)(suo)增加，效率會有(you)(you)所(suo)(suo)下降(jiang)。回程間隙(xi)：將輸出端(duan)固定(ding)，輸入端(duan)順時(shi)針和逆時(shi)針方向旋轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)，使輸入端(duan)產生額定(ding)扭矩+-2%扭矩時(shi)，減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)輸入端(duan)有(you)(you)一(yi)個(ge)(ge)微小的(de)角(jiao)位移，此角(jiao)位移就是(shi)回程間隙(xi).單(dan)位是(shi)"分(fen)(fen)",就是(shi)一(yi)度的(de)六十分(fen)(fen)之(zhi)(zhi)一(yi).也有(you)(you)人稱之(zhi)(zhi)為背隙(xi)。隨著減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)行(xing)(xing)業的(de)不斷(duan)發展(zhan)，越來越多的(de)企業運用到(dao)(dao)了減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)，行(xing)(xing)星(xing)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)是(shi)一(yi)種工業產品，行(xing)(xing)星(xing)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)是(shi)一(yi)種傳達(da)機(ji)(ji)(ji)(ji)構，其結構由(you)一(yi)個(ge)(ge)內(nei)齒(chi)(chi)(chi)(chi)環緊密結合於齒(chi)(chi)(chi)(chi)箱殼體上，環齒(chi)(chi)(chi)(chi)中(zhong)心有(you)(you)一(yi)個(ge)(ge)自外部動(dong)力(li)所(suo)(suo)驅(qu)動(dong)之(zhi)(zhi)太陽齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)，介於兩者(zhe)之(zhi)(zhi)間有(you)(you)一(yi)組(zu)由(you)三顆齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)等分(fen)(fen)組(zu)合於托盤(pan)上之(zhi)(zhi)行(xing)(xing)星(xing)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)組(zu)，該組(zu)行(xing)(xing)星(xing)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)依靠(kao)著出力(li)軸、內(nei)齒(chi)(chi)(chi)(chi)環及太陽齒(chi)(chi)(chi)(chi)支撐(cheng)浮游(you)於期間；當(dang)入力(li)側動(dong)力(li)驅(qu)動(dong)太陽齒(chi)(chi)(chi)(chi)時(shi)，可帶動(dong)行(xing)(xing)星(xing)齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)自轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)，并(bing)依循著內(nei)齒(chi)(chi)(chi)(chi)環之(zhi)(zhi)軌跡沿(yan)著中(zhong)心公轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)，行(xing)(xing)星(xing)之(zhi)(zhi)旋轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)帶動(dong)連結於托盤(pan)之(zhi)(zhi)出力(li)軸輸出動(dong)力(li)。利用齒(chi)(chi)(chi)(chi)輪(lun)(lun)(lun)的(de)速(su)(su)(su)(su)(su)度轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)換器，將電機(ji)(ji)(ji)(ji)（馬達(da)）的(de)回轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)數減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)到(dao)(dao)所(suo)(suo)要(yao)的(de)回轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)數，并(bing)得到(dao)(dao)較(jiao)大轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)矩的(de)機(ji)(ji)(ji)(ji)構。在用于傳遞動(dong)力(li)與(yu)運動(dong)的(de)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)機(ji)(ji)(ji)(ji)構中(zhong)，行(xing)(xing)星(xing)減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)屬精密型減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)機(ji)(ji)(ji)(ji)，減(jian)(jian)(jian)(jian)速(su)(su)(su)(su)(su)比(bi)可準(zhun)確(que)到(dao)(dao)0.1轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)-0.5轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)/分(fen)(fen)鐘