Download or read book The National Shipbuilding Research Program 1989 Ship Production Symposium Paper No 3 Producibility in Ship Design written by and published by . This book was released on 1989 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Much attention has been given in recent years to the problem of reducing ship construction costs. This has primarily emphasized the improvement of production techniques, processes and management controls. There is a great deal that can be accomplished in reducing ship construction costs, however, by improving the producibility of the design of the ship. The design of a more producible ship requires concurrent product and process design. Various principles and techniques can be applied throughout the design process in order to reduce the construction manhours required by ensuring that the manufacturing attributes are considered. This paper identifies some of the key principles involved and describes the techniques for applying the principles. A practical approach to estimating the cost benefit of alternative designs by estimating the labor input differential between the designs 25 also presented. Finally, specific examples of the application of the producibility techniques to several recent ship designs are included.
Download or read book The National Shipbuilding Research Program 1989 Ship Production Symposium Paper No 2 Producibility in U S Navy Ship Design written by and published by . This book was released on 1989 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent NAVSEA studies of a twin skeg hull form design applied to a T-AO type ship indicated many areas of possible improvement in producibility. This paper reviews the findings of producibility studies and attempts to indicate specific areas where an improvement in producibility and attendant cost savings for Navy ships are possible without any degradation in ship performance and survivability. Most available studies on producibility have an inherent trait of elaborating on details of shipyard producibility. This paper attempts to confine itself to the producibility aspect of the design phase, ending with the completion of contract design. While it is of course necessary for the Navy ship designer to know about producibility details of prospective building yards, he must be careful not to incorporate any details that may be restrictive on some of the prospective builders and thereby hinder competition.
Download or read book The National Shipbuilding Research Program 1992 Ship Production Symposium Proceedings Paper No 4A1 Producibility in the Naval Ship Design Process A Progress Report written by and published by . This book was released on 1992 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: In October 1989, A Ship Design for Producibility Workshop was held by the Naval Sea Systems Command (NAVSEA) at the David Taylor Research Center (DTRC). The purpose of the workshop was To develop the framework of a plan to integrate producibility concepts and processes into the NAVSEA Ship Design Process. The major recommendations of the workshop included initiatives related to increased training of NAVSEA design engineers in modem ship production concepts, development of producibility design tools and practices for use by NAVSEA design engineers, improved cost models, implementation of produability strategies for ship design process improvements, modification to existing acquisition practices, and improved three-dimensional (3-D) digital data transfer. The workshop was one of NAVSEA s first Total Quality Leadership (TQL) initiatives and was subsequently expanded into the Ship Design, Acquisition and Construction @AC) Process Improvement Project. This paper reports on the major findings and recommendations of the workshop, the near term accomplishments since the workshop, and the long range strategic plan for continuously improving producibility in the Naval Ship Design Process.
Download or read book The National Shipbuilding Research Program 1989 Ship Production Symposium Paper No 24 Designing the Future U S Naval Surface Fleet for Effectiveness and Producibility written by and published by . This book was released on 1989 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: David Taylor Research Center is just commencing investigations into a new manner of defining future fleet architectures. The cost of current performance-driven ship designs has increased at a rapid rate. While it is true that a warship designed with insufficient performance is of meager utility it is also true that the heat performing warship design is of no utility if never built. Both performance and affordability are required if sufficient numbers of ships are to be built to counter the threat. By designing a future fleet architecture with producibility as a major requirement from the start we hope to impact the acquisition cost significantly. One battle force concept titled Distribute, Disperse, Disguise and Sustain suggests two fundamental surface ship types; the Carrier of Large Objects (CLO) and the Scout Fighter. A CLO feasibility design in progress Carrier Dock Multimission is outlined to inform shipbuilding researchers of an initiative that promises to have significant impact on naval ship procurement and provide increased visibility within the U.S. Navy on producibility issues.
Download or read book The National Shipbuilding Research Program 1989 Ship Production Symposium Paper No 13 NIDDESC Meeting the Data Exchange Challenge Through a Cooperative Effort written by and published by . This book was released on 1989 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: The application of Computer Aided Design (CAD) and Manufacturing (CAM) techniques in the marine industry has increased significantly in recent years, With more individual designers and ship yards using CAD within their organizations, the pressure to transfer CAD data between organizations has also increased. The Navy/Industry Digital Data Exchange Standards Committee (NIDDESC) prow-ales a mechanism for public and private organizations to cooperate in the development of digital data transfer techniques.
Download or read book The National Shipbuilding Research Program written by Society of Naval Architects and Marine Engineers and published by . This book was released on 1989 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book The National Shipbuilding Research Program s 1989 Ship Production Symposium Advancing the Integration of Design Production Repair Proceedings written by and published by . This book was released on 1989 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The National Shipbuilding Research Program 1989 Ship Production Symposium Paper No 20 NAVSEA MCM 1 Product Model written by and published by . This book was released on 1989 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MCM (Mine Countermeasure Minesweeper) Product Model is the Navy's first true representation of a fully Computer-aided Acquisition and Logistic Support (CALS) oriented information system that integrates automated processes to create, store, retrieve, use and exchange weapon system technical, logistics, manufacturing and management information. The following three processes support the integration: data source, definition, and flow analysis; configuration baseline establishment and management; and graphic representation and geometric (three dimensional) modeling.
Download or read book The National Shipbuilding Research Program 1993 Ship Production Symposium Paper No 15 A Plan for Identifying a More Producible Structure for Tankers written by and published by . This book was released on 1993 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper addresses a plan for research and development leading to alternative structural system concepts for tankers. These should decrease labor requirements in design, fabrication and outfitting phases. The plan begins with addressing those aspects of concurrent engineering which, when applied, will result in the optimum characteristics with least cost from both the builders' and owners' perspectives. The next steps address identifying characteristics of structural systems which offer promise, and the assembly of these into alternative structural system concepts based on their apparent potential for improved producibility. Then, the application of the systems to specific vessels and methods to evaluate the improved producibility are considered.
Download or read book The National Shipbuilding Research Program 1993 Ship Production Symposium Paper No 3 Design Production Integration written by and published by . This book was released on 1993 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The multiple challenges posed by ever-increasing ship sizes, technical complexity, skyrocketing material and construction costs, plus several recently introduced design requirements - such as double hulls and extensive waste treatment systems - have combined to create an increasingly involved and complicated shipbuilding environment. This paper addresses steps taken to increase design and construction effectiveness through use of a shared three dimensional (3-D) database. An improved ability to successfully compete in the highly competitive international shipbuilding market is demonstrated.
Download or read book The National Shipbuilding Research Program 1989 Ship Production Symposium Paper No 6 Strategizing and Executing the Implementation and Utilization of Zone Technology at Philadelphia Naval Shipyard written by and published by . This book was released on 1989 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fundamental philosophies of Group Technology or Zone Logic Technology are accepted practices in Japanese Shipyards. The ideologies, originally conceived in the U.S. ironically, were considerably refined by the Japanese Shipbuilding and Repair Industry and since 1978, have been reimported to the U.S. The traditional system-by-system approach to work has been replaced by a zone oriented product work breakdown structure, Zone Logic Technology. This grouping of jobs if executed properl, has the potential to significant y enhance efficiency and productivity.
Download or read book The National Shipbuilding Research Program s 1989 Ship Production Symposium Advancing the Integration of Design Production Repair Proceedings written by and published by . This book was released on 1989 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book The National Shipbuilding Research Program 1989 Ship Production Symposium Paper No 4 Design for Steelwork Production During the Concept Design Phase The National Shipbuilding Research Program written by and published by . This book was released on 1989 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods of improving the level of pre-contract design definition and the quality of information relating to steelwork are described. This information is combined with a comprehensive database of manufacturing process information to provide a system for estimating the work content of the main structural steelwork of ships such as ro-ro vessels. Procedures are described which facilitate consistent estimates to be made while minimizing data handling requirements and increasing the flexibility of the method at the concept design stage.
Download or read book The National Shipbuilding Research Program 1990 Ship Production Symposium Paper No 8B 1 An Assessment of Opinions on Producibility Within the Naval Sea Systems Command NAVSEA written by and published by . This book was released on 1990 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: After years of studies, reports, formal and informal discussions, Naval ship producibility is becoming accepted as a necessary ingredient in any recipe for affordable, effective warships. However, within both the Navy ship design and private ship construction communities, the word producibility has come to evoke a wide variety of reactions. While there is general agreement that producibility has to do with lowering ship costs, there is not yet a consensus on how those costs are to be attacked, what factors are the most important, and what the roles of the various participants should be. In order to answer these and other questions, and to form a consensus within the Navy design community that will be compatible with external as well as internal relationships, the Naval Sea Systems Command (NAVSEA) has sponsored a series of steering committee meetings and a workshop on producibility as part of its ongoing research. The purpose of these meetings and workshop is to clarify the meaning of producibility, the needs of the design and construction communities, and to determine critical actions which will enable NAVSEA to integrate producibility more thoroughly into the Naval ship design process.
Download or read book The National Shipbuilding Research Program 1995 Ship Production Symposium Paper No 7 Generic Build Strategy A Preliminary Design Experience written by and published by . This book was released on 1995 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prom the very inception of the Preliminary Design phase of the U.S. Navy's new amphibious assault ship, which at the time was designated only as the LX, there has been an emphasis on generating a design which is producible; one that requires a minimum of redesign by the building yard and which can be built efficiently using modern ship construction techniques. This emphasis resulted in establishment of a Producibility Task Manager as a member of the UC Preliminary Design Team and in the creation of a Product-Oriented Design And Construction (PODAC) Working Group. The functions of this Group were to mimic a shipyard production planning effort and to interact with the Design Team on a regular basis. This paper describes the results of their efforts, including the development of a Generic Build Strategy (GBS) and numerous Design for Producibility improvements during the LX Preliminary Design Phase.
