Thermoforming
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PETG '2079851475616104458 uneven cooling shrinkage
Fenómeno do problema
After cooling, PETG thermoformed products shrink severely locally and deform, unable to maintain the designed shape.
Análise das causas
Uneven cooling and uneven mold temperature distribution, uneven product wall thickness causing cooling rate differences, demolding temperature high.
Solução
Optimize mold cooling water channel design; design the product with uniform wall thickness; extend cooling time for full sizing.
Conclusão principal
The focus of PETG '2079851475616104458 cooling shrinkage control is uniform cooling and full cooling.
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