Extrusion & Post
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PET Bottle Insufficient Top Load Strength
Fenómeno do problema
Bottles deform after stacking, collapsed bottles.
Análise das causas
Unreasonable wall thickness distribution (locally too thin), insufficient stretch orientation, excessive lightweight design; insufficient blowing pressure leads to insufficient orientation.
Solução
①Optimize wall thickness distribution (lamp zone adjustment); ②ensure high-pressure blowing orientation; ③top load test monitoring; ④verify top load while lightweighting.
Conclusão principal
Lightweighting forces top load management.
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