What injection molding parameters optimize wall thickness in PVC outdoor tree boxes?
Achieving optimal wall thickness in PVC outdoor tree boxes requires careful adjustment of injection molding parameters. Key factors include melt temperature (typically 180-210°C for PVC), injection pressure (700-1500 bar), and cooling time (adjusted based on part geometry). Maintaining consistent flow rates and mold temperatures (40-60°C) ensures uniform distribution, while gate design influences material flow. Proper parameter balancing minimizes sink marks and warping, enhancing structural integrity for outdoor durability. Post-molding annealing can further relieve stresses in thicker sections. Always validate settings through prototyping to meet performance requirements.
