Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Bottle body bottom too thick

In summary, the causes of the "Bottle body bottom too thick" problem can be attributed to the combined action of multiple factors such as Insufficient stretch rod stroke, Bottom temperature too high and stretching insufficient. Solving this problem requires starting from aspects such as Increase ...

Blow Molding Bottle body bottom too thick stretch '2079851475616104457 temperature control stretch ratio

Pitting on the bottle body surface

In summary, the causes of the "Pitting on the bottle body surface" problem can be attributed to the combined action of multiple factors such as Water vapor or oil stains in the mold cavity, Compressed air not clean. Solving this problem requires starting from aspects such as Clean the mold cavity...

Blow Molding Pitting on the bottle body surface stretch '2079851475616104457 mold design surface quality

Preform gate stringing

In summary, the causes of the "Preform gate stringing" problem can be attributed to the combined action of multiple factors such as Hot runner gate temperature too high, Holding pressure time too long. Solving this problem requires starting from aspects such as Reduce the gate temperature, Shorte...

Blow Molding Preform gate stringing stretch '2079851475616104457 temperature control

Poor mold venting

In summary, the causes of the "Poor mold venting" problem can be attributed to the combined action of multiple factors such as Vent holes or vent grooves clogged, Insufficient venting structure design. Solving this problem requires starting from aspects such as Clean the vent holes, Add vent groo...

Blow Molding Poor mold venting stretch '2079851475616104457 mold design venting design

Stretch rod scratching the bottle inner wall

In summary, the causes of the "Stretch rod scratching the bottle inner wall" problem can be attributed to the combined action of multiple factors such as Stretch rod surface rough or damaged, Insufficient stretch rod lubrication. Solving this problem requires starting from aspects such as Polish ...

Blow Molding Stretch rod scratching the bottle inner wall stretch '2079851475616104457 stretch ratio surface quality

Bottle body perpendicularity out of tolerance

In summary, the causes of the "Bottle body perpendicularity out of tolerance" problem can be attributed to the combined action of multiple factors such as Preform eccentricity, Stretch rod and mold not concentric. Solving this problem requires starting from aspects such as Correct the preform con...

Blow Molding Bottle body perpendicularity out of tolerance stretch '2079851475616104457 cooling process mold design stretch ratio

Collapse of heat-resistant bottle after hot filling

In summary, the causes of the "Collapse of heat-resistant bottle after hot filling" problem can be attributed to the combined action of multiple factors such as The bottle not sufficiently heat-set, Large residual stress. Solving this problem requires starting from aspects such as Add a heat-sett...

Blow Molding Collapse of heat-resistant bottle after hot filling stretch '2079851475616104457 stress control

Uneven bottle body wall thickness (locally ultra-thick)

In summary, the causes of the "Uneven bottle body wall thickness (locally ultra-thick)" problem can be attributed to the combined action of multiple factors such as Insufficient stretching, Temperature at that location too low and not fully stretched. Solving this problem requires starting from a...

Blow Molding Uneven bottle body wall thickness (locally ultra-thick) stretch '2079851475616104457 temperature control wall thickness control stretch ratio

Uneven bottle body wall thickness (locally ultra-thin)

In summary, the causes of the "Uneven bottle body wall thickness (locally ultra-thin)" problem can be attributed to the combined action of multiple factors such as Uneven preform wall thickness, Uneven stretching temperature. Solving this problem requires starting from aspects such as Improve the...

Blow Molding Uneven bottle body wall thickness (locally ultra-thin) stretch '2079851475616104457 temperature control pressure adjustment wall thickness control

Improper main blowing timing

In summary, the causes of the "Improper main blowing timing" problem can be attributed to the combined action of multiple factors such as Improper main blowing parameter settings, Inconsistent blowing valve response. Solving this problem requires starting from aspects such as Optimize the main bl...

Blow Molding Improper main blowing timing stretch '2079851475616104457 blowing parameters

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