Processing Machinery
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HIPS Sheet Surface Gel Particles
Fenómeno del problema
Unplasticized particles appear on the sheet surface.
Análisis de la causa
Poor plasticization or insufficient filtration allows unmelted particles to enter the sheet; raw material impurities are also a source.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Solución
①Optimize plasticization temperature; ②strengthen filtration; ③clean die head dead corners; ④strengthen raw material inspection.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
Gel particle control relies on plasticization and filtration; high-requirement sheets use finer screens.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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