Rex Plastics Product Development Plastic Part Design Fundamentals Gates and Parting Lines Gates Each plastic part design must have a ‘gate’, or an opening that allows the molten plastic to be injected into the cavity of the mold. There are several styles of gates that are commonly used in molding. Care and consideration should […]
Rex Plastics Product Development Plastic Part Design Fundamentals Ribs and Bosses Rib Design Ribs are a great way to add strength and stiffness to a part while keeping material consumption to a minimum. However, a word of caution: ribs can cause sink marks to develop where they intersect the main wall. A rule of thumb […]
Custom injection molding is among the least expensive processes available for producing large quantities of parts. Due to the initial investment of the mold however, there is a return on investment that needs to be considered when making the decision on what type of process to use. If you anticipate needing tens or perhaps even […]
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