Parts cooling
Thermal injection of thermoplastics. Basics

Thermal analysis of injection molding tools requires knowledge of the three modes of heat transfer: conduction, convection and radiation. Conductive heat transfer takes place within the materials themselves (part and mold). Heat exchange between the channel wall and the control system fluid is driven by convective transfers.

The external walls of tools exchange heat with the surrounding environment by natural convection and radiation. Conduction is covered in article [BE 8 200]...