Belt Type Comparison:
Chain drives are generally ideal for
high torque, low speed applications. They are relatively easy to
install and are well suited for conveyor type
applications. However, chain drives do require some sort of oil bath to
run efficiently. Pretensioning is also required for chain drives.
One of the major concerns regarding chain drives is
sprocket misalignment.
Roller chains tend to be very
lightweight but undergo considerable elongation. These belts
are prone to wear as a result of friction between the mating of
the pin and bush. The major advantage of these belts are that
they are easily installed and can transmit very high torque levels.
Silent chains are heavier than roller
chains. They tend to be very expensive but are easily installed.
These belts are preferable for applications in which noise
reduction is a concern. The belt can bear heavy loads and operate
at high speeds.
V-Belts are used to transmit horsepower
and reduce speed. They are a quiet, low cost product which
requires little maintenance. These belts perform better at higher
speeds but are prone to slippage and high elongation. The v-belt
is made in fixed lengths and is not ideal for long belt applications.
The belt must be installed precisely to prolong life.
V-belts are also capable of producing much higher torque than
flat belts.
Generally used in conveyor type
applications a flat belt will take longer to wear when compared to a
V-belt. The belt is not affected by tight bends. When put
in a wet environment slippage becomes a major concern, due to a lack of
positive engagement. The ideal flat belts are ones with a nylon
core because they undergo minimal elongation and are virtually
maintenance free.
Wire rope is very light weight, easily
installed, and inexpensive. Based on the material selection the
belt can be designed for high corrosion resistance.
Wire rope has the ability to support very high loads with minor
amounts of elongation. The wire rope requires
periodic lubrication and is best suited for long length applications.
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