Thermoforming
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PETG '2079851475616104458 uneven cooling shrinkage
Fenómeno del problema
After cooling, PETG thermoformed products shrink severely locally and deform, unable to maintain the designed shape.
Análisis de la causa
Uneven cooling and uneven mold temperature distribution, uneven product wall thickness causing cooling rate differences, demolding temperature high.
Solución
Optimize mold cooling water channel design; design the product with uniform wall thickness; extend cooling time for full sizing.
Conclusión clave
The focus of PETG '2079851475616104458 cooling shrinkage control is uniform cooling and full cooling.
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