Plastic Injection Troubleshooting: Fixing Flash

This video is an outline of how to analyze flash defects, and adjustments that can be made to correct a flash defect. This video is part of the Plastic411 Process Troubleshooting Series.

[@DavidSeigler1]

great info

[@robertmyers3966]

You had some good points.Well done. All were basic though.
Im tasked with molds made in China, Please explain to me how their plastic does what I cant duplicate. They stage every step of their injection and hold. No matter what I do I cant pack the part out with no hologram of the boss in the middle of the molded part. They did it , I cant. Its Polycarb, color and microban

[@geoffcrumblin7505]

check that they have used the exact same material.
Obtain their trial setup sheet.
Better to conduct your own qualification trial
Get the cavity filling correctly before starting the packing study