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Wheel Assemblies : The wheel
assemblies used for cross travel & long travel are of 'L' types. The wheels are manufactured from forged steel and hardened
to min. 250 BHN hardness. The wheels are supported on self aligning type
spherical roller bearings.
Rope Drum : The rope drums are
fabricated from steel of IS 2062 Gr B quality or from seamless pipes and
are stress relived before machining. Rope drums are machined to receive
the wire rope in single layer
Couplings : The hoist rope drums
are coupled to the hoist gear box through geared / barrel couplings. All
the other couplings are geared type
Motors : All the motors are
crane duty, slipring or squirrel cage type motors, cl. B/F insulated in IEC frame size as
per international standards.
Brakes : All the motions are provided with crane duty
electro hydraulic thruster operated brakes. For heavy duty applications DC brakes are used as per customer's
requirement.
Limit Switches: Hoist mechanisms
is provided with rotary limit switch and gravity limit switch C.T. &
L.T. mechanisms are provided with heavy duty lever limit switches
Micro speed Arrangement : All the motions of the crane can be provided with
micro speed arrangement
which consists of rotating planetary gear box with motor as per
customer's requirement. Integral planetary gear box can be provided if so
desired
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