Molds & Tooling
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PA12 Product Gate Design
Problem Phenomenon
Gate area defects.
Cause Analysis
Gate form and position affect filling; PA12 has good flowability and the gate must be fine.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Solution
①Optimize form and position; ②control shear; ③appropriate size; ④avoid stress-bearing area.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; Change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
Gate design affects filling quality.; 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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