Here are 11 common injection molding defects, what the causes are and how you can avoid them. Explore our injection molding troubleshooting guide!

Mar 14, 2019 · Quenching will impart brittleness and cracks on many resins. Increase the mold temperature and lengthen the cooling time.

Poor mold spot. Spot mold to ensure fit and vent depths at ~0 .025 mm (0 .001 in .) . Injection pressures too high. Reduce pressure . This may require higher ...

Startup Issues ; Part Flashes · Too much material. Decrease shot size. ; Part Flashes · Material viscosity too low. Reduce injection speed. Reduce process ...

Nov 25, 2019 · Troubleshooting Injection Molding Issues: Problems, Causes and Remedies · Monitor part quality at every stage · Decrease molding pressure ...

Nov 11, 2020 · There are 4 common defects during the production process. Our team of experts discuss injection molding troubleshooting.

Nov 23, 2018 · 13 Plastic Injection Molding Problems and Solutions · 1. Short Shots · 2. Air Traps · 3. Brittleness · 4. Burn Marks · 5. Flash · 6.

This comprehensive guide offers insights into identifying problems such as surface defects, part warping, or filling inconsistencies and provides step-by-step ...

Sep 12, 2023 · The plastic becomes partially solid and gummy while still filling the mold, causing the wave pattern to appear. Here are some common remedies ...

Oct 16, 2023 · Validated injection molding processes do not suddenly stop working. Clean the mold and verify process setpoints first to ensure that the changes ...