Molding Process
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PMMA Welding Process
Problembeschreibung
PMMA welds have insufficient strength, and visible weld seams affect transparent appearance
Ursachenanalyse
PMMA can be welded by hot knife, hot gas, ultrasonic, or spin welding; molecular bonding and stress state at the weld determine strength; transparent parts have high requirements for optical treatment of weld seams
Lösung
①Select a suitable welding process according to the structure; ②optimize welding parameters to ensure sufficient fusion; ③polish weld seams after welding for transparent parts; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PMMA has good weldability, but weld seam management is delicate work; process selection and post-weld treatment are equally important; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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