The number of links in a planer mechanism with revolute joints having 10 instantaneous centres is

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In a slider-crank mechanism, the crank is rotating with an angular velocity of 20 rad/s in counterclockwise direction. At the instant when the crank is perpendicular to the direction of the piston movement, velocity of the piston is 2 m/s. Radius of the crank is

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It is planned to construct a four-bar mechanism ABCD with length AB= 60mm, BC = 100mm, CD = 70 mm and fixed link AD = 200 mm. If at least one link is required to have a complete rotation, this mechanism is

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The lengths of the links of a 4-bar linkage with revolute pairs are p,q,r, and s units. given that p<q<r<s. Which of these links should be the fixed one, for obtaining a “double crank” mechanism ?

asked Sep 25, 2022 in Machine Kinematics by Leo (38.0k points)

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The total number of instantaneous centers for a mechanism of n links is

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For the same crank length and uniform angular velocity of the crank in an offset slider crank mechanism, if the connecting rod length is increased by 1.5 times, the velocity of piston will

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The instantaneous centres which vary with the configuration of the mechanism, are called

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If the relative motion between two links of a mechanism is pure sliding, then the relative instantaneous center for these two links does not exist.

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The instantaneous centres, which moves as the mechanism moves but joints are of permanent nature, are called permanent instantaneous centres.

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Locus of all instantaneous centres is known as centrode.

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