Molds & Tooling
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PPS product demolding draft angle
Problem Phenomenon
Demolding drag marks.
Cause Analysis
Insufficient draft angle; PPS high-temperature demolding characteristics must be accommodated.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
①Sufficient demolding draft angle; ②polish the cavity; ③balanced ejection; ④optimize demolding temperature.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Draft angle design adapts to high-temperature demolding.; 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 subsequent similar problems
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