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Technical Paper

Decor Mold with PP Film

2011-10-04
2011-36-0007
The challenge of this project is to make a development of a low cost material and has a high resolution digital film to be applied through a process of injection molding plastic material the surface has an alternative finish in decorative pieces. In the current process is too large is not feasible because of the cost is the cost of being a material of high performance and is on top of plastics engineering. Now the consumer has seen the cars (Popular) with very plastic material inside, leaving the car or with a dark look much lower. This project has to change the main idea that consumer sentiment Popular car, in your pocket without adding the automaker will have a freedom in design for rapid change in appearance or individual customization (geometric patterns, images, etc …) to enhance the accuracy of the finished piece. Expected outcomes (products specific to the program): Research and defines the IMD, the printing process, forming, injection and raw materials.
Technical Paper

Modern Ecological Process of Organic/Polymeric Sealer Applied to Fasteners

2011-10-04
2011-36-0222
The automotive industry demands for quality and technological innovations that enhance the performance of their products. Visual quality and corrosion resistance are also very important, even for fasteners exposed to the weathering throughout its life cycle that shall meet the performance requirements specified by the automotive industry. This paper shows how the search for new technologies leads to innovations in the already established surface treatment with a new generation of sealers for the automotive industry. This brand new technology of organic/polymeric sealer applies in water basis a single and uniform layer with low molecular weight (1000 to 10000 Dalton) in order to enhance specific properties such as high corrosion resistance, low coefficient of friction attributing characteristics of self-lubricating surface and increase in the wear resistance of the coating.
Technical Paper

Coating Trends For Fasteners

1999-12-01
1999-01-3072
General Motors Corporation has always made every effort so that our end products and processes and configuration of components could help preserve the environment. Along those lines, General Motors do Brasil started to develop a protective coating that is corrosion resistant and environment friendly. At first, this will be used for fasteners. This effort involves dramatic changes in attitude, such as our need to admit that we are responsible for managing resources and keeping our world habitable and healthy for the future generations. This study describes metallic and organometallic coatings with an increased resistance to corrosion associated to temperature, free of such harmful metals as cadmium, nickel, lead, chromium, etc. Also demonstrated here is the significance of the total friction coefficient and its composition, considering the friction coefficients inherent to the fastener threads/heads.
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