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This digital document is an article from Polymer Engineering and Science, published by Society of Plastics Engineers, Inc. on January 1, 2003. The length of the article is 7003 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.
From the author: Epoxy acrylate-based sterolithography resins have been used successfully as tools for injection molding. Molds made out of these resins fail at distinct times: during the first injection of plastic; during the first part first ejection; during either injection or ejection, but after a certain number of parts have been produced, which can be compared to a fatigue process. This paper presents correlations between measured properties of stereolithography molds and injection molding processing conditions so as to understand and predict mold failure. The study focuses on two stereolithography resins (SL 7510 and SL 7510) and one epoxy-based composite material used for the high speed machining of prototype molds (Renboard). Rapid tooling materials are studied in fatigue. tensile, and fracture at injection molding operating temperatures and at room temperature. Finally, a method to address failure of molds is proposed using the theory of fracture.
Citation Details
Title: Properties of rapid prototype injection mold tooling materials.
Author: Vincent Rodet
Publication: Polymer Engineering and Science (Refereed)
Date: January 1, 2003
Publisher: Society of Plastics Engineers, Inc.
Volume: 43 Issue: 1 Page: 125(14)
Distributed by Thomson Gale
Properties of rapid prototype injection mold tooling materials.: An article from: Polymer Engineering and Science