Scientific Troubleshooting: Poor Surface Finish

This video helps you assess common quality-related failure modes and how to identify and correct the root cause. It will guide you through processing parameters including melt temperature, melt viscosity, first and second stage velocity, and pressures. Investigation into the tooling to determine cavity balance, proper venting (static and dynamic), gate location, and size. It also examines the molding machine and auxiliary equipment to determine if clamp tonnage, shot size, and drying hygroscopic material are affecting the failure mode.

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