Molds & Tooling
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PBT mold temperature selection
Problem Phenomenon
Dilemma in mold temperature setting.
Cause Analysis
High mold temperature gives sufficient crystallization but long cycle; low mold temperature is fast but performance is poor.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first when troubleshooting
Solution
①Select mold temperature according to performance requirements; ②take the upper limit for stressed parts; ③stabilize mold temperature; ④record and verify.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Mold temperature affects PBT crystallization and performance; requirements determine the range.; after confirming effectiveness, solidify 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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