Processing Machinery
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PVB Die Design and Maintenance
Problem Phenomenon
PVB die precision declines, die lines and thickness unevenness, long-term production wear.
Cause Analysis
PVB precision T-die ensures consistent thickness; die lip wear and contamination; die temperature uniformity; regular maintenance missing.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Solution
①Regular die cleaning and maintenance; ②Die lip inspection and repair; ③Temperature uniformity management; ④Precision detection and calibration.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Key Takeaway
PVB die is the core component of thickness precision; regular maintenance ensures long-term stability; calibration data supports adjustment.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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