The reliability of gear drive system
depends upon quality of the component, accuracy of the assembly and the
solid design. They may be classified into various categories on the
basis of work, principles and application of the gears. Based on these
parameters, gear drives are broadly classified as mechanical drives,
electric drives, hydrostatic drives, hydraulic drives and speed
changers.
Mechanical drives are used to provide variable output speed from
a constant speed power source. These drives are extensively used in
automobile industry. Mechanical drives provide simple control and are
cheaper as compared to electrical drives.
Hydraulic drives are the gear boxes that connect the power
source and hydraulic pump in hydrostatic drives. The typical application
of fluid drive is to provide speed control for existing pumps or
compressors. These drives have wide applications in heavy material
handling machines like cranes, earth movers, ramp winches, thrusters,
drilling, anchor winches, auxiliary winches, trawl winches, dredging and
more.
A speed changer provides total control over the speed of the
operating system. The actuated speed changers provide controlled rate
for speed or load change. It is possible to adjust the speed of the
generator simply by adjusting the speed of the operating system under
conditions of single unit, isolated load operation or the parallel
operation with an independent power source.
Gears. Girth Gears. Differential
Gears. Ground Gears. Ring Gears. Rack Gears. Spur Gears. Bevel Gears.
Cycloidal Gears. External Gears. Helical Gears. Marine Gears. Mining
Gears. Pinion Gears. Planetary Gears. Involute Gears. Non-involute
Gears.Worm Gears. Idler Gears. Face Gears.Angular Bevel Gears. Winch
Gears. Herringbone Gears.Crown Gears.Hypoid Gears.Miter gears etc.
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