Classification of mechanisms

CLASSIFICATION OF MECHANISMS

Levers Law of the lever: F d = R r

Fixed Pulley

Movable Pulley Linear

Compound Pulley

Transmitting motion

Friction drives

Same equation Rotary

Pulleys with belt

Gear mechanisms and cogwheels Worm gear

Gear mechanisms with a chain

Gear train

Rotary

Transmitting motion

Pulley trains with belts

Variation in velocity The ratio of the velocity of the two wheels is given by the gear ratio.

Rack and pinion system Nut and bolt system Rotary to Linear

Winch and crank handle

Crank-linkslider

Transforming motion

Crankshaft Rotary to reciprocating

Cam

Eccentric cam