Molding Process
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PMMA Product Welding Problem
Problem Phenomenon
Ultrasonic welded transparent parts whiten and have low strength.
Cause Analysis
Concentrated welding energy generates stress whitening; interface contamination.
Solution
①Optimize welding parameters; ②clean the welding surface; ③post-weld annealing.
Key Takeaway
Transparent part welding = fine energy control.
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