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Cranes
A crane is a type of machinery used for lifting and moving heavy materials in construction, transportation (loading and unloading merchandise) and other fields. Most cranes are equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them around.
Industry: Industrial machinery
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Cranes
trolley speed
Industrial machinery; Cranes
Trolley speed is the rate of motion that a motor operated trolley (and hoist) attains while traveling along a beam.
plug
Industrial machinery; Cranes
To operate a controller in such a manner that the motor line voltage polarity or phase sequence is reversed before the motor rotation has stopped, thereby developing a counter torque which acts as a ...
jog
Industrial machinery; Cranes
To move the hook, trolley, or bridge in a series of short, discontinuous, increments by momentary operation of a bridge crane controller.
inch
Industrial machinery; Cranes
To move the hook, trolley, or bridge in a series of short, discontinuous, increments by momentary operation of a bridge crane controller.
authorized
Industrial machinery; Cranes
Having a regulatory authority or a duly constituted administrative authority appoint an individual.
should
Industrial machinery; Cranes
This word indicates that the requirement is a recommendation, the advisability of which depends on the facts in each situation.
shall
Industrial machinery; Cranes
This word indicates that adherence to the particular requirement is necessary in order to conform to the specification.
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