OPERATING PARTS

OPERATING PARTS

CRANCKS

LEVERS

AXLES

They transmit force and can multiply or reduce it

They are used in manual machines to start movement

Rods used to support rotating wheels or gears

SPRINGS

WHEELS

They store energy

RACKS

BELTS OR CHAINS

They reduce friction and can be smooth or they can have teeth or cogs

Long bars with teeth or cogs that can fit with toothed wheels or other parts

They transmit movement from one wheel to another wheel