The gear train shown in the figure has an input (gear 1) with a power of 3 hp and a speed of 500 rpm, the diametrical pitch of the blue gears is 19 and that of the yellow gears is 21, the angle formed between the axes of gears 2-3 is 45° and the contact angle is 20°. Considering the following parameters for the gears.

Calculate:

Distances between centers of all gears.
Contact relationship between all pairs of gears.
The forces in the axes of the gears.

 

Transcribed Image Text:

a b NN Z₁ Z₂ Z3 Z4 NN Z5 40° 20° 35 65 35 37 21 2 b 3 a 1 4 5 a b NN Z₁ Z₂ Z3 Z4 NN Z5 40° 20° 35 65 35 37 21 2 b 3 a 1 4 5