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.
Password Strength Very Weak
Lost your password? Please enter your username or email address. You will receive a link to create a new password via email.
We do not share your personal details with anyone.