Molds & Tooling
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PCABS amorphous management logic
Problem Phenomenon
【Problem Phenomenon】Managing PC/ABS process according to crystalline material thinking, parameters misplaced
Cause Analysis
PC/ABS is an amorphous alloy: no crystalline melting point, uniform shrinkage, mold temperature mainly affects surface and stress rather than crystallinity; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solution
Set the process according to amorphous logic; mold temperature serves surface and stress; shrinkage compensated by uniform value; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PC/ABS is an amorphous material, mold temperature manages surface stress; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later
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