Problem & Solution

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Q

Product surface pockmarks

A

In summary, the causes of the "Product surface pockmarks" problem can be attributed to the combined action of multiple factors such as water vapor or oil contamination in the mold cavity and raw material not clean. Solving this problem requires starting from aspects such as clean the mold cavity ...

Material Drying Product surface pockmarks injection '2079851475616104457 mold design raw material management surface quality

Q

Bubble lines on the parison surface

A

In summary, the causes of the "Bubble lines on the parison surface" problem can be attributed to the combined action of multiple factors such as volatile gases present in the raw material and injection speed too fast. Solving this problem requires starting from aspects such as fully dry the raw m...

Material Drying Bubble lines on the parison surface injection '2079851475616104457 speed control raw material management surface quality

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

Insufficient drying of the raw material

A

In summary, the causes of the "Insufficient drying of the raw material" problem can be attributed to the combined action of multiple factors such as drying temperature insufficient and insufficient drying time. Solving this problem requires starting from aspects such as increase the drying temper...

Material Drying Insufficient drying of the raw material injection '2079851475616104457 temperature control raw material management drying treatment

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

Product cracking upon dropping

A

In summary, the causes of the "Product cracking upon dropping" problem can be attributed to the combined action of multiple factors such as low strength at the weld line and uneven wall thickness causing stress concentration. Solving this problem requires starting from aspects such as reduce weld...

Material Drying Product cracking upon dropping injection '2079851475616104457 resin characteristics wall thickness control welding quality

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

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