Introduction to Injection Mold Verification

#1
Injection molding is an established production process in which
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manufacturers inject molten plastic materials into a mold cavity. The melted plastic then cools and hardens, and the manufacturers extract the finished part. Though the mold design process is critical and challenging (a poorly designed mold can result in defects), injection molding itself is a reliable method for producing solid plastic parts with a high-quality finish.
Injection molding is ideal for producing plastic parts with relatively simple geometries and results in high surface finish quality. Manufacturers have many finish options when producing parts, including various surface textures—such as glossy, rough, or matte—which they apply directly to the
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rather than the molded part. However, different plastic materials also influence the final surface finish.
The time we have now could vary from 3–4 weeks to 20 weeks or more, depending on the
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and part. During this time, there are two things we should do:
Time control. It is quite common that the
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maker will send a bi-weekly report with detailed progress regarding the mold manufacturing.
To clarify, this stage is not a
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process validation (installation qualification, operational qualification, performance qualification). This is the stage in which we aim to achieve a verified, stable part that will qualify our definitions. Once we get that, we may initiate mold performance validation.