The hot runner system accommodates the molten plastic material coming from the barrel and guides it into the mold cavity. A hot sprue bush is to be incorporated with the tool. Hot runner usually makes the mold more expensive to manufacture and run but allow saving by reducing the plastic waste and by reducing the cycle time

What can we benefits from a Hot Runner System??

Reduces cycle times.

Eliminates the cold runner that would be either scrap or require regrind.

Improves part consistency and quality.

Reduced gate mark.

Reduces injection pressure.

 

increased process control for fine tuning of mold and part.