Hot Runner System Selection Guide
Hot Runner System Overview
A hot runner system is a feed system that is an assembly of heated components for plastic injection molds, maintains a molten flow of plastic from the molding machine nozzle to the gate of a plastic injection mold.
Generally consist of manifolds, nozzles, temperature controllers and accessories.
Why use Hot Runner for injection molding, please review Hot Runner Advantages.
Standard Hot Runner Configuration
Valve Gate Assembly Manifold Assembly Nozzle Assembly Back Plate Manifold Plate
How To Select The Right Hot Runner System?
1. Questions about the plastic part and material details
-Part Weight (g)
-Part Size LxWxH (mm)
-Cold Runner Weight (g)
-Nominal Wall Thickness (mm)
-Minimum Wall Thickness (mm)
-Filler or Glass Fibre %
-Manufacture and grade OR MFI – Value, Temperature & load
-Numnber of Cavities
-Hot Half Construction (Y/N)