Belts and Chains Flashcards
links that change their form when in motion and are applicable only for transmitting a pulley
Flexible connectors
Types of Flexible Connectors
Belts
Chains
Ropes
is a loop of flexible material used to link two or more rotating shafts, most often parallel.
Belts
used as a source of
motion to transmit power or to track relative movement.
Belts
Economical speed for leather belting
4500 fpm
The most economical belt speed ranges from
3000 - 5000 fpm
Types of Belt
Flat
V
Toothed Belt
allows long distance transmission
Flat belt
provides stronger grip at short distance
V belt
it is used as timing belt where speed ratio must be maintained
Toothed belt
belts made of canvas, cotton cords, and rubber all molded together in a trapezoidal cross-section and are particularly applicable in mechanical drives
V belt
Types of Pulleys
Flat
Crowned
will need guides or flanges to maintain belt alignment
Flat pulleys
has a larger diameter at the middle of the face
Crowned pulleys
Types of belt connection
Open
Crossed belt
consists of a series of jointed metallic links running over two sprocket wheels
Chains
Classification of chain
Hoisting
Conveyor
Power
Hoisting chain
Coil
Stud
Link chains
Stud
Conveyor chain
Detachable or hook
Closed
Joint chains
Detachable or hook
End printel chains
Closed
Transmission chains
Power
Power chains
Block chains
Roller
Silent
