What is venting defective of product?
Aug 19, 2019
When the injection machine starts to molding，the hot melt plastic flows in the mold cavity and squeezes the air in the mold cavity.
If the air cannot be discharged effectively, it will cause venting, and the result will be that the product is short-shot or affects the quality.
Under this situation, We need to check the injection speed, the mold temperature, Or add venting groove.
