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Technical Paper

Common Tooling for Left-Hand and Right-Hand Instrument Panels

1997-02-24
970442
In many instances, automotive companies wish to create both a left-hand drive and a right-hand drive version of the same vehicle. When the vehicle has relatively low sales volumes, it is imperative to reduce investment costs wherever possible. One successful - if challenging - way is by producing the instrument panel system for both versions off the same tooling. This feat was accomplished in the case of the '97 Jeep® Wrangler, saving the company approximately $7 million.
Technical Paper

RTM Body Panels for Viper Sports Car

1993-03-01
930468
Resin transfer molding (RTM) is the process of choice for the Body Panels of the Viper Sports car. The objective of this paper is to outline the reasons for the choice of RTM, and discuss development of technology for Class A surfaces and the paint system. Accomplishments to date and finally the work yet to be completed will also be defined. Conclusions from the work to date indicate that the RTM process enables a reduction in vehicle development time through faster prototypes and tool build times and that high quality, Class A surfaces can be successfully achieved even with epoxy tools. Additional work is ongoing to reduce cycle times and finishing costs, and to improve the in-process dimensional stability.
Technical Paper

High Performance Forged Steel Crankshafts - Cost Reduction Opportunities

1992-02-01
920784
Higher horsepower per liter engines have put more demand on the crankshaft, often requiring the use of forged steel. This paper examines cost reduction opportunities to offset the penalties associated with forged steel, with raw material and machinability being the primary factors evaluated. A cost model for crankshaft processing is utilized in this paper as a design tool to select the lowest cost material grade. This model is supported by fatigue and machinability data for various steel grades. Materials considered are medium carbon, low alloy, and microalloy steels; the effects of sulfur as a machining enhancer is also studied.
Technical Paper

Scientific Management Methods

1965-02-01
650569
A good manager knows how to administer, direct, and allocate the resources of his organization to the best advantage. The main resources available to him are money; facilities, equipment, and material; people; time; information; and company reputation or image. These resources all interact to create conflicting demands. It is the job of the management scientist to resolve these conflicts satisfactorily through the application of quantitative techniques, some of which are described.
Technical Paper

A New Method of Predicting the Formability of Materials

1972-02-01
720019
The paper presents a new method, based on standard laboratory cup tests, for predicting the formability of materials; in the example provided, the forming potentials of four new materials are shown. The properties of stretchability and drawability, which are the principal factors defining a material's forming limits, may be assessed using the Olsen spherical cup test and the Swift flat-bottomed cup test. In the shape analysis procedure described, the minimum amount of deformation needed to fix a desired shape is determined. Then necessary adjustments to tooling for optimum sheet metal usage are made based on calculations from a new type of chart showing stretch forming ratio and draw forming ratio, providing a comparison of the formabilities of a number of materials.
Technical Paper

The Lever Analogy: A New Tool in Transmission Analysis

1981-02-01
810102
A new tool for analyzing transmissions that use planetary gearsets is presented. With this tool, entire transmissions are usually represented by a single lever, and the calculation of most characteristics is as simple as summing moments of a lever. A miniature cookbook of levers, for various planetary arrangements is included which can be helpful in selecting a planetary to achieve the desired objectives of a user.
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