Molds & Tooling
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PA12 Mold Temperature Grading and Crystallization Control
Problem Phenomenon
【Problem phenomenon】PA12 products with the same material but different mold temperatures had large differences in strength and dimensions, with unstable performance
Cause Analysis
Mold temperature directly determines PA12 crystallinity: non-reinforced 30-40℃, thin-wall large-surface 80-90℃, reinforced 90-100℃; increasing mold temperature increases crystallinity and performance; Viewmold emphasizes that precise control of mold temperature is very important
Solution
Set mold temperature in grades according to product type and control it precisely: pure material 30-40℃, thin-wall large-surface 80-90℃, reinforced 90-100℃; minimize the temperature difference at each point of the cavity; perform crystallinity verification for performance parts
Key Takeaway
Mold temperature is the crystallinity knob of PA12, and graded setting plus precise control are both indispensable; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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