上海文通大学 Forces on gears Forces on spur gears Forces on helical gears Forces on bevel gears Forces on worm gears Refer to Chapter 5 in Mechanical engineering design 上游文大学 ANGHAI HAO TONG UNIVEROIT H W,=33000- +3+3→ where W.transmitted load,Ibf H=power,hp V=pitch-line velocity,ft/min 60000H W,= ndn where W,=transmitted load,kN H=power,kW d=gear diameter,mm n=speed,rev/min 3*152 Refer to Chapter 5 in Mechanical engineering design Forces on spur gears Forces on helical gears Forces on bevel gears Forces on worm gears Forces on gears