The robot shown has five degrees of rotational freedom. The x-y-z axes are attached to the base ring, which rotates about the z-axis at the rate ω1. The arm O1O2 rotates about the x-axis at the rate The control arm O2A rotates about axis O1-O2 at the rate ω3 and about a perpendicular axis through O2 which is momentarily parallel to the x-axis at the rate ω4 =
Finally, the jaws rotate about axis O2-A at the rate ω5. The magnitudes of all angular rates are constant. For the configuration shown, determine the magnitude ω of the total angular velocity of the jaws for θ = 60° and β = 45° if ω1 = 2 rad/s,
1.5 rad/s, and ω3 = ω4 = ω5 = 0. Also express the angular acceleration α of arm O1O2 as a vector.
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