Common Quality Defects Advised By Plastic Mold Factory Business & Finance
Plastic injection molding is a very cost-effective method for mass production of parts – but even the best designs sometimes have shortcomings that result in quality defects. It is important to be familiar with these defects in order to identify and... morePlastic injection molding is a very cost-effective method for mass production of parts – but even the best designs sometimes have shortcomings that result in quality defects. It is important to be familiar with these defects in order to identify and trouble-shoot them, as well as avoid them by developing a competent design! Below are the top 5 most common quality defects in injection molding and how each can be resolved. Additionally, for more information on these and other types of cosmetic defects see the glossary that was compiled by Plastic mold factory.
1. Flash
Flash is a thin layer of plastic that flows outside of the cavity, typically where the two halves of the injection mold meet. Flash can appear on the part’s edge along the parting line of the mold. It can also occur at ejector pin locations and anyplace where the mold has metal meeting metal to form the boundary of the part.
Flash cools and remains attached to the final product. Injection molders must remove unwanted flash by a... less
