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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.

Contributors in Cranes

Cranes

drag brake

Industrial machinery; Cranes

A brake which provides retarding force without external control.

load binder

Industrial machinery; Cranes

A binder incorporating an over center locking action.

design factor

Industrial machinery; Cranes

(Sometimes referred to as safety factor) An industry term usually computed by dividing the catalog Breaking Strength by the catalog Working Load Limit and generally expressed as a ratio. For example: ...

proof test load

Industrial machinery; Cranes

The term "proof test" designates a quality control test applied to the product for the sole purpose of detecting defects in material or manufacture. The Proof Test Load (usually twice the Working ...

shoring bar

Industrial machinery; Cranes

A structural section placed transversely between the walls of a vehicle to prevent cargo from tipping or shifting.

simple beam

Industrial machinery; Cranes

A structural member supported and unrestrained at each end and subjected to loads acting transversely to its longitudinal axis.

end tie

Industrial machinery; Cranes

A structural member other than the end truck which connects the ends fo the girders to maintain the squareness of the bridge.

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