Blow Molding
5 görüntüleme
Uneven wall thickness of PET stretch blow bottles
Sorun Belirtisi
Uneven wall thickness distribution of injection-stretch-blow molded PET bottles, bottom too thick, shoulder too thin, or left-right inconsistency of the bottle body.
Neden Analizi
Unreasonable preform design (axial wall thickness distribution mismatched with stretch ratio), stretch rod not concentric, insufficient '2079851475616104457 air pressure.
Çözüm
Optimize preform design, calibrate concentricity of stretch rod and mold, increase '2079851475616104457 pressure to 2.5-4.0MPa, optimize preform heating distribution.
Temel Çıkarım
PET bottle wall thickness uniformity is the synergistic result of preform design, heating control, and '2079851475616104457 parameters.
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