Military Jet Engine Acquisition Technology Basics and Cost-Estimating Methodology

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Military Jet Engine Acquisition Technology Basics and Cost-Estimating Methodology ( military-jet-engine-acquisition-technology-basics-and-cost-e )

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Trends in Technological Innovation 27 turer, and suppliers (Ormbrek and Wright, 1998). The ESBI effort has focused on the industry involved in investment-casting (a technique used to case metal parts), as investment castings account for 34 per- cent of the cost of all manufacturing processes associated with a production engine. A primary task of this program has been to im- prove collaboration among participants, namely, the Air Force Re- search Laboratory, Rolls-Royce (AADC), General Electric Aircraft En- gines, Lockheed-Martin Aeronautical Systems, Pratt & Whitney, Howmet Corporation, and Precision Castparts Corporation. Beyond the organizational goal of improved interbusiness relationships, a “total value chain” sectorwide approach was adopted. This total value chain included electronic data exchange among members of the supply chain, simplified audit procedures, standardization of processing, development of testing methods/specifications, and preparing reports for the user. The organizational changes in the in- dustry have been complemented by a series of technical projects tar- geted at improving airfoil tolerance and reducing structural rework, reducing scrap from single crystal turbine blades, reducing tooling procurement time, and speeding up new part design/process devel- opment time. While the ESBI program is primarily focused on the cost benefits as- sociated with improved alignment of the total value chain and col- laboration among the engine community, another program with the same participants as ESBI, the Metals Affordability Initiative (MAI), is targeting advances in the state-of-the-art of process technology, alloy development, process modeling, and other engine development technologies. And while the ESBI program, along with its forging in- dustry participants, has been specifically targeted at the casting and forging of engine components, the scope of the MAI is broader—it covers metallic components in both the airframe and the engine. The MAI consists of a consortium of raw metal suppliers, processing companies, original equipment manufacturers (OEMs), and military labs. The overall goal of the MAI is a 50 percent reduction in the ac- quisition cost of metallic parts, while accelerating implementation time for new or redesigned products.

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