Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Uneven parison temperature

In summary, the causes of the "Uneven parison temperature" problem can be attributed to the combined action of multiple factors such as damaged or unevenly distributed die head heater bands and unreasonable design of the internal flow channel of the die. Solving this problem requires starting fro...

Blow Molding Uneven parison temperature extrusion '2079851475616104457 temperature control die adjustment heating process

Bubbles

In summary, the causes of the "Bubbles" problem can be attributed to the combined action of multiple factors such as moisture content of the raw material too high and air entrapped in the melt. Solving this problem requires starting from aspects such as fully dry the raw material and check the sc...

Material Drying Bubbles extrusion '2079851475616104457 raw material management venting design screw maintenance

Discoloration (black specks, burnt)

In summary, the causes of the "Discoloration (black specks, burnt)" problem can be attributed to the combined action of multiple factors such as melt temperature too high and residence time too long. Solving this problem requires starting from aspects such as lower the processing temperature and ...

Blow Molding discoloration (black specks burnt) extrusion '2079851475616104457 temperature control screw maintenance

Sticking to the mold

In summary, the causes of the "Sticking to the mold" problem can be attributed to the combined action of multiple factors such as mold temperature too high and insufficient release agent. Solving this problem requires starting from aspects such as lower the mold temperature and use an appropriate...

Blow Molding Sticking to the mold extrusion '2079851475616104457 temperature control mold design resin characteristics

Bottle body brittle cracking (drop cracking)

In summary, the causes of the "Bottle body brittle cracking (drop cracking)" problem can be attributed to the combined action of multiple factors such as resin melt index too low and regrind proportion too high. Solving this problem requires starting from aspects such as select a resin with an ap...

Material Drying Bottle body brittle cracking (drop cracking) extrusion '2079851475616104457 resin characteristics regrind management welding quality

Bottle body collapse (vacuum collapse)

In summary, the causes of the "Bottle body collapse (vacuum collapse)" problem can be attributed to the combined action of multiple factors such as blowing air shut off too early and excessively fast cooling causing the internal gas to contract. Solving this problem requires starting from aspects...

Blow Molding Bottle body collapse (vacuum collapse) extrusion '2079851475616104457 cooling process blowing parameters shrinkage control

Difficult demolding (stuck in the mold)

In summary, the causes of the "Difficult demolding (stuck in the mold)" problem can be attributed to the combined action of multiple factors such as mold draft angle too small and large product shrinkage rate. Solving this problem requires starting from aspects such as increase the draft angle an...

Blow Molding Difficult demolding (stuck in the mold) extrusion '2079851475616104457 temperature control mold design de'2079851475616104453

Unclear bottle neck threads

In summary, the causes of the "Unclear bottle neck threads" problem can be attributed to the combined action of multiple factors such as insufficient venting of the mold thread cavity and blowing air pressure too low. Solving this problem requires starting from aspects such as add thread venting ...

Blow Molding Unclear bottle neck threads extrusion '2079851475616104457 pressure regulation mold design venting design

Excessive flash at the bottle bottom

In summary, the causes of the "Excessive flash at the bottle bottom" problem can be attributed to the combined action of multiple factors such as parison diameter too large and improper pinch-off design. Solving this problem requires starting from aspects such as reduce the parison diameter and o...

Blow Molding Excessive flash at the bottle bottom extrusion '2079851475616104457 temperature control bottle bottom forming

Container bottle neck deformation (material overflow)

In summary, the causes of the "Container bottle neck deformation (material overflow)" problem can be attributed to the combined action of multiple factors such as poor alignment between the blow rod and the die and temperature at the bottle neck area too high. Solving this problem requires starti...

Blow Molding Container bottle neck deformation (material overflow) extrusion '2079851475616104457 temperature control die adjustment blowing parameters

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