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MECHANISMS (TO CONVERT MOTION (ROTARY MOTION (Pulleys With Belts (These…
MECHANISMS
TO CONVERT MOTION
LINEAR MOTION
Levers
A lever is a rigid bar that is used with a pointof support or a fulcrum.
Pulleys
A fixed pulleys is a wheel that has a groove for a rope, chain or belt to go round it.
ROTARY MOTION
Pulleys With Belts
These are two pulleys or wheels that are certain ditance apart
Worm Gear
This is a screw that moves a helical cogwheel which is set perpendicular to the screw.
Friction Drive
This is made up of two or more wheels that are in contact.
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Gear Mechanisms
Cogwheels are sets of wheels that have teeth called cogs.
TO TRANSMIT MOTION
Rotary to reciprocating
Crank-Link-Slider
This is composed of a crank and a rod called a connecting rod or link.
Cam
This is basically a rotating shape that pushes a 'follower' - as it moves
Rotary to linear
Rack and Pinion
This uses a pinion (a small cogwheel) mounted ona rack (a toothed belt or bar)
Nut and Bolt
This consists of a bolt or threaded bar and nut that has the same interior diameter as the diameter of the bolt
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