Processing Machinery
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PMMA electrostatic adsorption
Problem Phenomenon
Static electricity on the surface of PMMA display parts attracts dust and affects display
Cause Analysis
PMMA has good insulation and strong frictional static electricity, adsorbing dust in the air; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Solution
Apply anti-static treatment to the surface; humidify the display environment; clean regularly with ionized air; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
Static dust attraction is controlled by anti-static treatment and environmental management; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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