Processing Machinery
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TPU product processing temperature window
Problem Phenomenon
Quality varies greatly between machines.
Cause Analysis
The TPU temperature window is narrow, and machine temperature control differences are directly amplified; the lack of a unified actual melt temperature is the root cause; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①unify the actual melt temperature benchmark; ②calibrate thermocouples; ③establish process cards; ④test by batch; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Narrow-window materials have high requirements for equipment consistency; unifying the actual measurement benchmark is the key; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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