Advanced Metalworking Solutions for
Naval Systems that Go in Harm's Way
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Videos

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Fast Fit Construction Method Used for Navy Submarines

The Navy Metalworking Center led a project that devised a more efficient way of fabricating submarine deck structures, which have been traditionally constructed of many short, fitted pieces (intercostals) between continuous beams.




Abrasive Blasting Arm for Man Lift (YouTube)

NMC and Ingalls developed and implemented an easy-to-use prototype mechanical arm to perform hull exterior abrasive blasting from a man lift during ship construction.




Mechanized Cable Pulling

A Navy Metalworking Center project team developed easy-to-use, small, lightweight, portable, power-assisted tools to reduce the amount of time and effort required to pull cable. These tools will reduce labor as well as health and safety issues associated with shipboard cable pulling.




Pipe Production Automation Methods (YouTube)

The automation/mechanization of pipe fabrication processes for shipboard applications will improve quality and reduce costs on multiple naval platforms.




Pipe Assembly Installation Improvement Methods (YouTube)

NMC led a project that developed several tools (both robotic and manually controlled options) to control the internal grinding of pipes to correct weld defects and a localized pipe purging tool for use during welding. A temporary rigging fixture that mechanically attaches to structural members (I and T beams) was also developed.




Alternative Brazing System (YouTube)

NMC led a project that developed a prototype flame brazing system to address problems with manual flame brazing for CVN 78 Class aircraft carrier and Virginia Class submarine (VCS) construction. The system will save significant labor and production costs.




Alternative Brazing - Vertical (YouTube)

NMC led a project that developed a prototype flame brazing system to address problems with manual flame brazing for CVN 78 Class aircraft carrier and Virginia Class submarine (VCS) construction. The system will save significant labor and production costs. This video shows a close up of the fitting being brazed in the vertical orientation. The technology reduces the time to braze, provides a uniform bond around the entire joint, and eliminates paint damage to the surrounding fitting area. The fittings are 1" diameter bronze couplings brazed to copper pipe.




Alternative Brazing Horizontal (YouTube)

NMC led a project that developed a prototype flame brazing system to address problems with manual flame brazing for CVN 78 Class aircraft carrier and Virginia Class submarine (VCS) construction. The system will save significant labor and production costs. This video shows a close up of the fitting being brazed in the horizontal orientation. The technology reduces the time to braze, provides a uniform bond around the entire joint, and eliminates paint damage to the surrounding fitting area. The fittings are 1" diameter bronze couplings brazed to copper pipe.




Improved Cable Routing (YouTube)

NMC has developed various tools to improve the cable pulling process on Navy ships to reduce labor and worker injuries.




Weld Seam Facing and Back Gouging (YouTube)

NMC has successfully led the development of a weld removal system that is in use at Bath Iron Works and Northrop Grumman Shipbuilding in the construction of DDG 1000. The technology is dramatically reducing manual grinding and the associated medical and production costs and is greatly increasing the removal rate of weld protrusions. This system has also been modified for other uses such as back gouging and sanding.




Back Gouging System (YouTube)

This NMC project developed an automated back gouging tool that leveraged work done in a previous NMC project that created a track weld shaver system to remove weld protrusion. Bath Iron Works has estimated a labor savings of approximately $400K per DDG 1000.