Molds & Tooling
4 görüntüleme
EVA Foaming Surface Defects
Sorun Belirtisi
Pits, broken holes or sticking appear on the surface of foamed products.
Neden Analizi
Poor mold surface condition or improper use of release agent; foaming gas breaks through the surface layer to form broken holes.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Çözüm
①Maintain the mold surface; ②standardize the use of release agent; ③optimize the matching of foaming pressure and temperature; ④check the mold venting.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
Surface quality relies on the matching of mold condition and foaming parameters; the broken hole problem requires controlling the foaming rate.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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