Analysis and solution of common problems in blowing film (7(injection molding products)

2023 12/07

7. The thickness of the film is thin

Reason 1: die gap is small, the resistance is too large, so the film thickness is thin;

Reason 2: The air volume of the cooling wind ring is too small, and the film cooling is too slow;

Reason 3: The traction speed is too fast, the film is stretched excessively, and the thickness is thinned.

solution
① Adjust the die gap;

② Increase the air volume of the air ring appropriately to speed up the cooling of the film;

③ Reduce the traction speed appropriately.

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