Processing Machinery
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PA12 Product Holding Pressure Management
Problem Phenomenon
Sink marks and dimensions.
Cause Analysis
Holding pressure settings affect shrinkage compensation and dimensions; holding pressure is important for crystalline material PA12.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Solution
①Optimize holding pressure settings; ②according to solidification time; ③sectional holding pressure; ④verify effect.; 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
Holding pressure is the core of dimensional management.; 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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