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Injection Molding Short Shots: 13 Causes of Poor Venting & Filling Defects (Expert Troubleshooting Guide)
Introduction In injection molding, few defects are as frustrating or costly as short shots (underfilling) caused by poor venting. When trapped air creates backpressure exceeding the injection pressure, molten plastic simply cannot fill the cavity. But poor venting is rarely the sole…
Alex Yu
Aug 07 2026
Spuitgieten
4 Common Injection Molding Defects & Proven Solutions
Injection molding is a highly precise manufacturing process, but it is not immune to production challenges. Whether you are a process engineer or a quality control manager, encountering defects can lead to costly downtime and material waste. In this comprehensive guide, we…
Alex Yu
Jul 10 2026
Spuitgieten
12 Ultieme oplossingen voor het elimineren van korte wachttijden bij het spuitgieten
Short shots (also known as underfills) occur when the molten plastic fails to completely fill the mold cavity, resulting in an incomplete part. This defect typically appears in thin-walled sections or areas farthest from the gate. > Pro Tip: For internal features…
Alex Yu
6 maart 2026
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