Paceco Corporation is offering a patented roller system as an alternative to the catenary trolley.
As crane outreaches have got longer, the problem of dealing with rope sag in the rope reeving systems has become more difficult. Wire rope stretched between two points has a “catenary,” a shape produced by the gravitational force of its own weight, more commonly known as “sag.”...
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This complete item is approximately 1500 words in length, and appeared in the July 2008 issue of WorldCargo News, on page 25.
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