Molds & Tooling
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PPO Conventional Mold Temperature Range Differences
Fenómeno do problema
【Problem Phenomenon】Different documents have mold temperature ranges of 60-100℃, 100-150℃, 71-104℃ coexisting, causing hesitation in setting
Análise das causas
Mold temperature range differences stem from grades and goals: PX1181 is 60-100℃, recybase is 71-104℃, GTX974 is 100-150℃; low mold temperature benefits the cycle, high mold temperature improves flow, weld lines and surface
Solução
Set according to the grade data sheet range; appearance and weld line sensitive parts take the upper limit; cycle-priority parts run at the lower limit with quality verification; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusão principal
PPO mold temperature range varies by grade; take the upper limit for flow, surface and weld lines; 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 subsequent similar problems
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