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Thermoforming is a processing technique involving air pressure applied to heated plastic, and combines the earlier terminology of vacuum-formed and pressure-formed operations. A specialist in thermoforming, mechanical engineer Rosen describes the roll-fed process, properties of plastic materials, designing products, thermoforming machines, trim presses, knife-like trim dies, and off-line punch-and-die trimming. Chapters on molds cover mold design, system components, layout and base design, and cost estimating. Annotation copyrighted by Book News, Inc., Portland, ORCareful inspection before storage of the tool may avoid delay when the mold is next installed in the machine. Conclusion Before proceeding with design of the mold, it is best to choose among competing options and form a priority list of factors that shape ... Long-term delivery of purchased materials and mold components can be arranged as soon as the need becomes apparent. ... Tool and Manufacturing Engineers Handbook, Fourth Edition, Volume 8: Plastic Part Manufacturing.

Author:Stanley R. Rosen
Publisher:Society of Manufacturing Engineers - 2002-01-01


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