A simple gear train consists of three spur gears 1, 2 and 3, where gear 1 is the driver, gear 2 idler gear and gear 3 driven gear. The axes of all the 3 gears are in the horizontal plane. The bearing centres of gears 1,2 and 3 are designated as A, B and C respectively. Gear 1 has 10 mm module, pressure angle 200 and 35 teeth. Gears 2 and 3 are having 45 teeth and 60 teeth respectively. The driver is rotating t 1000 rpm clockwise and delivers 30 kW of power. Find :
- distance between A and C
- speed ratio of the gear train.
Draw the free body diagram of the driven gear and show all the forces acting on it.