Thermoforming
5 görüntüleme
Thickness fluctuation of PP extruded sheet
Sorun Belirtisi
The transverse thickness deviation of the sheet is large, and the wall thickness of subsequent thermoformed products is uneven.
Neden Analizi
Uneven die lip gap or uneven die temperature distribution; extrusion output fluctuation is also transmitted as thickness fluctuation.; during on-site investigation, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Çözüm
①Precisely adjust the die lip gap; ②balance the die temperature; ③stabilize the extrusion output; ④online thickness measurement feedback adjustment.; after adjustment, continuously sample and verify the effect, and resume mass production after confirming stability
Temel Çıkarım
Sheet thickness uniformity determines the downstream forming quality; die lip precision and steady-pressure extrusion are the key.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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