Hot runner single direct nozzle & Product shrinkage

Today we talk about how the hot runner single direct nozzle influence product shrinkage

Product Name: Cover (PC, high requirement for surface,inverse-installing)

Hot runner : Single direct gate nozzle(injection in the center of the product)

Product Problem: Shrinkage on the back of the inlet.

Solution: Revise the gate bush maximum end smaller (the maximum end can't exceed 2times of the product wall thickness)


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