Category: Completed Projects

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Sequencing and Scheduling

Project Participants: General Dynamics Electric Boat Project Start: May 2009 General Dynamics Electric Boat (EB) has a pressing need for improved tools to enable better planning and sequencing of the various tasks and trades involved in outfitting a VIRGINIA-Class Submarine (VCS) hull. This project developed an advanced visualization application that will provide the ability to […]

Pipe Shop Process Re-Engineering

Project Participants: General Dynamics Electric Boat Project Start: May 2009 In support of the increased construction rates of the U.S. Navy VIRGINIA-Class Submarine (VCS), General Dynamics Electric Boat’s (EB) pipe manufacturing facility has anticipated the need to double production in the near future. This project, completed in September 2011, focused on overhauling current methods, developing […]

Improved Production Engineering Management Tools

Project Participants: General Dynamics Electric Boat Project Start: April 2009 Shipbuilders are constantly striving to eliminate waste from their production processes. Often, this waste is nothing more than downtime due to an unavailable resource or a scheduling conflict. The resulting delay can jeopardize delivery dates and drive up costs associated with the labor overtime and […]

Metrology for Automated Hull Layout

Project Participants: General Dynamics Electric Boat Project Start: October 2008 The significant number of hull attachments that are fabricated and later installed on each hull contribute significantly to the cost and span time for outfitting Navy warships, particularly submarines. Each attachment or penetration may entail only a modest effort in its own right, but there […]

Design for Production 3- Design Alternatives

Project Participants: General Dynamics Electric Boat Project Start: February 2008 Recent studies have concluded that Design for Production (DfP) is the single most influential factor to reduce ship production cycle time and costs, as ship design processes are not keeping pace with state-of-the-art manufacturing practices. The production workforce must receive timely, accurate, configuration-managed, electronic data […]

Hull Fairness & Accuracy Control

Project Participants: Northrop Grumman Shipbuilding-Gulf Coast Project Start: November 2007 Hull fairness/flatness and accuracy control requirements for DDG-1000 create a unique production challenge for Northrop Grumman Shipbuilding-Gulf Coast (NGSB-GC). Currently there is no technology solution that would meet these restrictive fairness fabrication requirements as they are more stringent than requirements for DDG‑51. With the DDG‑1000 […]

Design for Production 1- Knowledge Tools

Project Participants: General Dynamics Electric Boat Project Start: October 2007 Recent studies have concluded that Design for Production (DfP) is the single most influential factor to reduce ship production cycle time and costs, as ship design processes are not keeping pace with manufacturing practices. Although design of the VIRGINIA-Class Submarine (VCS) is essentially complete, there […]

Design for Production 2- Seamless Delivery 3-D Product Model

Project Participants: General Dynamics Electric Boat Project Start: October 2007 Recent DOD studies have concluded that Design for Production (DfP) is the single most influential factor to reduce ship production cycle time and costs, as ship design processes are not keeping pace with manufacturing practices. This project will use previously developed DfP elements to develop […]

Small Weldment Optimized Cell

Project Participants: Northrop Grumman Shipbuilding-Newport News Project Start: August 2007 Small weldments at Northrop Grumman Shipbuilding-Newport News (NGSB-NN) are considered any structural part manufactured or assembled in the small component fabrication and assembly shops (generally up to 4-ft by 8-ft and weighing no more than 5 tons). Current manufacturing and assembly methods for small weldments […]

VCS Material Management

Project Participants: General Dynamics Electric Boat Project Start: July 2007 Material flow, from requirement identification to delivery to the trades and into work-in-process for consumption at large shipyards is difficult to manage. Current practices frequently result in high cycle times, excess inventory, material availability rates that are lower than desired, and unacceptable levels of lost […]

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