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The slewing drive is a gearbox that can safely hold radial and axial
loads, as well as
transmit a torque for rotating. The rotation can be in a single
axis, or in multiple
axes together.
Slewing drives are made by manufacturing gearing, bearings, seals, housing, motor and other auxiliary components and assembling them into
a finished gearbox.
Slewing drives function with standard worm
technology, in which the worm on the horizontal shaft acts as the driver for
the gear. The rotation of the horizontal screw turns a gear about an axis
perpendicular to the screw axis. This combination reduces the speed of the
driven member and also multiplies its torque; increasing it proportionally as
the speed decreases.[2] The
speed ratio of shafts depends upon the relation of the number of threads on the worm to the number of
teeth in the worm wheel or gear.[3]
As technology has improved, more slewing drives are using
hourglass worm technology, in which the worm is shaped to engage more teeth in
the gear.[4] This
increased tooth engagement results in greater strength, efficiency and
durability.
slew drive, slewing drive GRH , https://www.grhcn.net
S&A air cooled water chiller CW-5200 and water cooler CW-3000
S&A air cooled water chiller CW-5200 and water cooler CW-3000