Numerical - Angle of driving shaft, given shaft angle - Theory of Machines - 1

Q.  Calculate the angle of driving shaft, if the two shafts of the Hooke's joint are inclined at an angle of 18.50o
- Published on 06 Aug 15

a. 45.56o
b. 37.70o
c. 39.17o
d. 41.95o

ANSWER: 41.95o

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    Discussion

  • Sravanthi   -Posted on 21 Oct 15
    If the two shafts of Hooke's joints are inclined at an angle of 18.50o, then ω1 = ω2 and attain the condition of equal speeds.

    For equal speeds of driving and driven shafts,

    tan θ = ± √ cos α

    Therefore, θ = tan-1 √ cos 18.50

    θ = 41.95 °

    The angle of driving shaft = 41.95 °

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