Wednesday, April 8, 2015

Ultra-Powerful All-Electric Pipe Bender Starts Operations at US Shipbuilder

Newport News April 1, 2015 - Unison has commissioned what is believed to be the largest all-electric tube bending machine ever produced, at Newport News Shipbuilding - supplier of nuclear-powered aircraft carriers and submarines to the US Navy.
The machine is capable of generating over 265,000 lb-ft (360,000 Nm) of torque and can bend piping up to 8 inches NPS - with an outside diameter of 8.625 inches or 219.1 mm - with Schedule 80 wall thicknesses of 0.5 inch (12.7 mm).
The availability of all-electric, servomotor-controlled bending machines for pipes of this size brings significant productivity benefits to the fabrication of a ship's pipework compared with conventional hydraulically-powered machinery. These include smart software-controlled set-up and right-first-time precision bending - with exceptional accuracy and repeatability. Bend precision is aided by the inclusion of a unique laser-based system that automatically measures and adjusts bend angles for spring-back of the pipe metal.

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