Extrusion & Post 12 görüntüleme

PET Bottle Bottom Material Accumulation (Thick Bottom)

Sorun Belirtisi

The material thickness at the center of the bottle bottom is too large, the cost is high and the bottom is whitened.

Neden Analizi

Excessive bottom heating or the stretch rod did not pull the material into place; improper bottom mold temperature.

Çözüm

①Reduce the bottom lamp zone power; ②optimize the stretch rod stroke and speed; ③check bottom mold cooling; ④adjust pre-blow.

Temel Çıkarım

Thick bottom = too much heat at the bottom, the rod not in place.

PET; bottle blowing; thick bottom; lamp zone; stretch rod

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