Blow Molding
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Uneven wall thickness of blow molded containers
Fenómeno del problema
Wall thickness of blow molded containers is uneven, some parts too thin or too thick, affecting use strength and appearance
Análisis de la causa
Uneven parison wall thickness
Uneven blowing pressure distribution
Improper mold cavity design
Uneven parison temperature
Blow-up ratio too large, local over-stretching
Solución
Optimize parison wall thickness control (wall thickness controller)
Adjust blowing pressure and blowing time
Optimize mold cavity design
Control uniform parison temperature
Reasonably design the blow-up ratio
Conclusión clave
2079851475616104457 wall thickness needs to start from parison and blowing
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