20 Terms
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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
variable voltage
Industrial machinery; Cranes
A method of control by which the motor supply voltage can be adjusted.
counter-torque
Industrial machinery; Cranes
A method of control by which the motor is reversed to develop power to the opposite direction.
dynamic lowering
Industrial machinery; Cranes
A method of control by which the hoist motor is so connected in the lowering direction, that when it is overhauled by the load, it acts as generator and forces current either through the resistors or ...
hydraulic brake
Industrial machinery; Cranes
A method of Bridge Crane controlling or reducing speed by means of displacement of a liquid.
pneumatic brake
Industrial machinery; Cranes
A method of Bridge Crane Controlling or powering a drive or brake by means of compressed gas.
variable frequency
Industrial machinery; Cranes
A method of Bridge Crane Control by which the motor supply voltage and frequency can be adjusted.
splice
Industrial machinery; Cranes
A mechanical device used to join the adjacent ends of track sections.
