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patternmaking |
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patternmakingIn materials processing, the first step in casting and molding processes, the making of an accurate model of the part, somewhat oversize to allow for shrinkage of the cast material as it cools. Foundry workers then make a mold from the pattern, introduce the liquid into the mold, and remove the hardened part from the mold. The processing of materials in liquid form is commonly known as casting when it involves metals, glass, and ceramics; it is called molding when it involves plastics and some other nonmetallic materials. Patternmaking is a highly skilled trade learned by apprenticeship. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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With the patternmaking, prototyping and casting capability, we can compress lead times and sell speed," Laugle said. From the start of the sixteenth century, as manufacturing techniques improved, Portugal started making its own highly distinctive tiles, synthesising Islamic geometry, Chinese exoticism and Dutch patternmaking. Schapiro's call to reevaluate previously beyond-the-pale techniques such as patternmaking and knitting is evoked by Schnitger's Alma and Almita (all works 2002). |
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