Molds & Tooling
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ASA surface scratches
Fenómeno do problema
ASA high-gloss exterior parts are scratched during assembly and transportation; insufficient hardness leads to appearance complaints, and the customer requires improved surface scratch resistance.
Análise das causas
ASA surface hardness is comparable to ABS, and high-gloss surfaces are sensitive to scratches; the higher the rubber phase content, the softer the surface; inadequate assembly tooling and packaging protection amplify scratch risk.
Solução
①Surface hardening coating treatment for high-gloss parts; ②packaging uses scratch-proof partitions and lamination; ③soft covering of assembly tooling contact surfaces; ④clearly define scratch resistance grade acceptance standards with the customer.
Conclusão principal
Scratch prevention and control of ASA high-gloss parts runs through the whole chain from production to assembly; hard coating is an effective means to improve scratch resistance; quantified acceptance standards avoid disputes.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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