Injection Molding
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PPSU demolding angle
Problem Phenomenon
PPSU product demolding damage; insufficient demolding angle or uneven ejection.
Cause Analysis
PPSU injection mold demolding angle is generally 1° to 2°; ejector pin or stripper plate contact area as large as possible; avoid part damage during demolding; high-temperature mold demolding temperature is high.
Solution
①Demolding angle 1°~2°; ②increase ejection area; ③balanced ejection; ④demolding temperature management; ⑤surface protection.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The 1~2° angle and large-area ejection of PPSU demolding are standard; high-temperature challenges need management; protection prevents damage.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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