What are voids in injection molding processing? Main causes of occurrence and respective countermeasures.
As a countermeasure, regular overhauls every tens of thousands to hundreds of thousands of shots are effective.
In injection molding processing, a void refers to one type of molding defect where a cavity forms in the thick parts of the molded product. The resin filled in the mold shrinks as it cools. At this time, the surface of the molded product that contacts the mold shrinks and dents due to insufficient cooling, which is called "sink." Conversely, while the skin layer solidifies, a vacuum cavity forms inside due to shrinkage, which is referred to as a void. This column summarizes points to keep in mind regarding voids, particularly when considering defect countermeasures and productivity improvements in injection molding factories. [Contents] ■ What is a void ■ Causes of void formation ■ Basic countermeasures to prevent void formation ■ How to accurately detect void formation ■ Summary *For detailed content of the column, please refer to the related links. *For more information, please check the PDF materials or feel free to contact us.
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"Creating Strong Factories" Since its founding, MAZIN has introduced AI/IoT systems to numerous factories. In the process, we were impressed by the "strong factories" that create products enriching society and support the lives of many people, which instilled in us a sense of mission to advance the manufacturing industry. With this sense of mission, we are developing the necessary systems for the future "strong factories" as an AI company specializing in and accompanying the manufacturing field.