Molds & Tooling
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PC cooling time setting
Problem Phenomenon
【Problem Phenomenon】PC cooling improper, demolding deformation or cycle too long
Cause Analysis
PC amorphous cooling aims at shaping; insufficient cooling causes ejection deformation, excessive cooling wastes cycle; uniform mold temperature shortens cooling；During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
Cooling verifies demolding rigidity according to wall thickness; uniform mold temperature; do not sacrifice quality to compress cycle；After adjustment, take continuous samples 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
PC cooling calculated by wall thickness, demolding rigidity has the final say；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence；Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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