上海充通大 outline JNO TONG LN A pair of Gears ©Types of Gear trains More about Velocity ratio Velocity ratio for fix-axis gear train Velocity ratio for epicyclic gear train ME357 Design Manufacturing ll 上海充通大粤 A pair of Gears Pn1=Pn2 Pn1>pn2 Pn1<pn2 nl=Pn22 ME357 Design & Manufacturing II outline A pair of Gears Types of Gear trains More about Velocity ratio Velocity ratio for fix-axis gear train Velocity ratio for epicyclic gear train Pn1＝ Pn2 Pn1>pn2 Pn1<pn2 A pair of Gears