Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

Product sink mark

A

In summary, the causes of the "Product sink mark" problem can be attributed to the combined action of multiple factors such as insufficient holding pressure and short cooling time. Solving this problem requires starting from aspects such as increase the holding pressure and extend the cooling tim...

Blow Molding Product sink mark injection '2079851475616104457 pressure regulation cooling process wall thickness control

Q

Uneven bottle neck sealing surface

A

In summary, the causes of the "Uneven bottle neck sealing surface" problem can be attributed to the combined action of multiple factors such as wear of the core rod end face and insufficient mold machining accuracy. Solving this problem requires starting from aspects such as regrind the core rod ...

Blow Molding Uneven bottle neck sealing surface injection '2079851475616104457 mold design bottle neck forming

Q

Unstable screw retraction of the injection machine

A

In summary, the causes of the "Unstable screw retraction of the injection machine" problem can be attributed to the combined action of multiple factors such as unstable back pressure and screw wear. Solving this problem requires starting from aspects such as stabilize the back pressure and check ...

Blow Molding Unstable screw retraction of the injection machine injection '2079851475616104457 screw maintenance

Q

Hot runner system failure

A

In summary, the causes of the "Hot runner system failure" problem can be attributed to the combined action of multiple factors such as hot runner heater damaged and thermocouple failure. Solving this problem requires starting from aspects such as inspect and repair the heaters and thermocouples a...

Blow Molding Hot runner system failure injection '2079851475616104457 heating process

Q

Improper addition ratio of regrind

A

In summary, the causes of the "Improper addition ratio of regrind" problem can be attributed to the combined action of multiple factors such as regrind degraded by repeated multiple processing and proportion control not strict. Solving this problem requires starting from aspects such as limit the...

Blow Molding Improper addition ratio of regrind injection '2079851475616104457 regrind management thermal stability

Q

Product surface orange peel texture

A

In summary, the causes of the "Product surface orange peel texture" problem can be attributed to the combined action of multiple factors such as parison temperature too low and insufficient blowing air pressure. Solving this problem requires starting from aspects such as increase the parison temp...

Blow Molding Product surface orange peel texture injection '2079851475616104457 temperature control pressure regulation mold design

Q

Parison yellowing and discoloration

A

In summary, the causes of the "Parison yellowing and discoloration" 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 melt temperature and shorte...

Blow Molding Parison yellowing and discoloration injection '2079851475616104457 temperature control screw maintenance

Q

Uneven bottle neck end face

A

In summary, the causes of the "Uneven bottle neck end face" problem can be attributed to the combined action of multiple factors such as wear of the core rod end face and improper design of the mold cutting edge. Solving this problem requires starting from aspects such as regrind the core rod end...

Blow Molding Uneven bottle neck end face injection '2079851475616104457 mold design bottle neck forming

Q

Product ovality out of tolerance

A

In summary, the causes of the "Product ovality out of tolerance" problem can be attributed to the combined action of multiple factors such as parison not round and poor accuracy of the blow mold cavity. Solving this problem requires starting from aspects such as check the parison roundness and re...

Blow Molding Product ovality out of tolerance injection '2079851475616104457 cooling process mold design shrinkage control

Q

Product perpendicularity out of tolerance

A

In summary, the causes of the "Product perpendicularity out of tolerance" problem can be attributed to the combined action of multiple factors such as parison eccentricity and poor positioning accuracy of the blow mold. Solving this problem requires starting from aspects such as correct the align...

Blow Molding Product perpendicularity out of tolerance injection '2079851475616104457 cooling process mold design

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