Molds & Tooling
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PMMA Surface Scratches
Problem Phenomenon
Scratches on the transparent part surface.
Cause Analysis
Demolding drag scraping (insufficient draft angle), ejector pin scraping, packaging friction; PMMA surface hardness is limited.
Solution
①Ensure the draft angle; ②Polishing; ③Optimize the ejector pin layout; ④Anti-scratch packaging design.
Key Takeaway
Scratches = full-chain protection from demolding to packaging.
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