Molds & Tooling
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COC Dimensional Accuracy
Problem Phenomenon
COC dimensional accuracy control, low water absorption advantage and process.
Cause Analysis
COC dimensional accuracy; low water absorption advantage; process stability; mold accuracy; measurement standards; batch consistency.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Solution
①Process stability; ②mold accuracy; ③measurement standards; ④batch management; ⑤SPC monitoring.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
The low water absorption of COC dimensional accuracy is the foundation; equal emphasis on process and mold; monitoring ensures consistency.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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