Processing Machinery
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PMMA Board Storage Temperature
Problem Phenomenon
PMMA boards warped and deformed after being stored in the warehouse in summer
Cause Analysis
The board creeps under the long-term action of temperature and its own weight; improper vertical placement or excessively high temperature accelerates deformation; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
Lay the boards flat or store them nearly vertically; control warehouse temperature; conduct regular inspections during long-term storage; after adjustment, take samples continuously 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
Board storage posture and temperature determine deformation risk; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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