Runner system

All melt channels together are called runner or runner system.
For these names, there is no distinction between hot and cold runner.
A good runner is responsible for a balanced filling of the cavity and less material and pressure loss.

Runner system in Injection Molding

The runner system can contain a combination of hot and cold runner or only one of the two components.

Related topics:

This glossary of plastic industry is provided by PLEXPERT Canada Inc.