Extrusion & Post
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PVB Mechanical Stress
Problem Phenomenon
PVB laminated glass production or installation mechanical stress is excessive, causing delamination and cracking.
Cause Analysis
Excessive mechanical clamping during production; installation stress; glass residual stress exceeding limits; improper structural design.; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based solely on experience
Solution
①Standardize mechanical clamping force; ②Control installation stress; ③Residual stress detection; ④Structural design optimization.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PVB mechanical stress management runs through production and installation; standardized operation is prevention; test data provides support.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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