Injection Molding Glossary

Beaumont’s Injection Molding Glossary

Compiled below is our injection molding glossary featuring a number of terms, definitions, illustrations, and explanations to help you quickly become familiar with the different aspects of injection molding.

This page can help beginners and industry veterans alike better understand the language that is regularly used in the injection molding industry, improving communication both in the office and between vendors/suppliers.

While this information is enough to get started, please refer to John Beaumont’s textbooks or attend a development course at the American Injection Molding Institute. Information in this glossary is subject to copyright by John Beaumont and Beaumont Technologies.

 

Annealing

Cushion

Degradation

Flash

Fountain Flow

Frozen Layer

Gas Trap

Gate

Gate Seal

Injection Molding Machine

Injection Time

Jetting

Laminar Flow

Meld Lines

Molding Flash

Molding Hesitation

Runner

Shear Heating

Short Shot

Sink Mark

Splay

Turbulent Flow

Vents

Viscosity

Void

Warp

Weld Lines