Molds & Tooling
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PA66 scientific molding pressure transfer
Problem Phenomenon
Same mold on different machines produces product weight fluctuation, and dimensions drift with batches
Cause Analysis
Empirically set parameters make filling state fluctuate with machine performance; PA66 solidifies fast, and transfer point deviation directly changes feeding volume, and weight and dimensions drift accordingly
Solution
①Use scientific molding method to determine viscosity curve and transfer point; ②Set transfer position according to 95-98% cavity fill; ③Parameters follow the mold archive across machines
Key Takeaway
Scientific molding moves PA66 process from experience to data; transfer point standardization is the core of cross-machine consistency; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence
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