Injection Molding
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PPSU venting design
Problem Phenomenon
PPSU mold venting; air trap risk in high-speed filling.
Cause Analysis
PPSU fast injection venting needs; vent groove design; position coverage; depth control; maintenance and cleaning.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Sufficient vent grooves; ②reasonable positions; ③suitable depth; ④regular cleaning; ⑤air trap monitoring.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPSU venting is high-speed process assurance; design and maintenance are equally important; monitoring prevents defects.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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