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Mold Maintenance 22 MoldMaking Technology —— JANUARY 2016 By Erin Fortin Images courtesy of Husky Injection Molding Systems. Vents are a collection point for condensing residue from outgoing air. Common cleaning methods can be labor-intensive, expensive and risky. A new option is a self-cleaning mold technology that uses controlled fash in the vents where dust and debris collect. VIDEO Access video at end of article. M olds have to be cleaned. There's no way to avoid it. But what if the mold could clean itself, eliminating the negative impact of manual maintenance on productivity? Vents are the primary means for air to escape the mold cav- ity during filling. Any gases or vapors created from the resin in the cavity during the injection process will also exit through these vents. As gas exits through the vents, the vents become a collection point for dust and debris. While this effect may be immeasurable after one cycle, the residue accumulates after tens of thousands of cycles. Many variables contribute to this Self-cleaning technology uses controlled flash to make mold maintenance faster, easier and safer. Cleaning in a Flash rate of adhesion, including resin type, additives, fillers, resin temperature, part geometries and neck finishes. Commonly practiced mold-cleaning methods, although extremely effective when done correctly, can be labor- intensive, time-consuming, expensive and risky to the tool. Compounding the problem is the increasing speed of injection