Molding Process
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MS Material Cognition Confused with SMMA
Fenómeno del problema
MS (methyl methacrylate-styrene copolymer) is mistakenly processed as SMMA or PMMA, and the process parameters do not match.
Análisis de la causa
MS is a methyl methacrylate-styrene copolymer, synonymous with SMMA but with different naming habits; compared with PMMA it improves brittleness and processability; insufficient cognition leads to process errors; the material identity needs to be clarified.
Solución
①Clarify that MS is the same type of material as SMMA; ②process according to MS process parameters; ③distinguish from PMMA process; ④confirm with supplier data sheet.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
MS and SMMA are the same type of material with different naming; the process difference from PMMA is essential; correct cognition is the premise of quality.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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