Molds & Tooling
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PC/ABS improper mold temperature
Fenómeno del problema
Low weld line strength and poor surface gloss of parts.
Análisis de la causa
When the mold temperature is below 70℃, weld line fusion is poor and surface replication is poor; mold temperature fluctuation also causes quality fluctuation.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solución
①Control mold temperature at 70~100℃; ②high mold temperature improves weld line strength and surface gloss; ③stabilize mold temperature fluctuation; ④detect cavity temperature distribution.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
Mold temperature 70~100℃ is the PC/ABS standard range; higher mold temperature is beneficial to both weld line and gloss.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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