Injection Mold

Injection Mold - Mechanical Engineering 366 Manufacturing...

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Mechanical Engineering 366 Manufacturing Process Laboratory #3 Injection Molding Project Laboratory Performed – March 30, 2006 Report Submitted – April 6, 2005 Lab Partner: David Yancey Submitted by: Julius Gunn Lab Objective
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The objective of the lab was to create a plastic piece from the injection molding setup given in the lab. Injection molding is the process in which a polymer is heated to a highly plastic state and forced to flow under high pressure to a mold cavity where it solidifies. This project incorporates learning the basic features of the mold, which are (1) plastic injection unit and (2) the mold clamping unit. In this injection molding lab there consisted two common defects. The first defect was short shots. This is when polymer melt has solidified before completely filling the cavity. The second defect seen was flashing. This occurs when the polymer melt is forced into the parting surface between mold plates. This comes from the injection pressure being greater than the clamping
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Injection Mold - Mechanical Engineering 366 Manufacturing...

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