Problem & Solution

Practical answers to common plastic material challenges

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Q

Profile opening dimension/gap out of tolerance

A

This problem is a typical manifestation of profile opening dimension/gap out of tolerance in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction o...

Extrusion & Post uneven shrinkage ratespeed ratio orientationcooling uniformityheat setting temperatureincoming material shrinkage rate

Q

Die head leakage

A

This problem is a typical manifestation of die head leakage in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing system. It is...

Extrusion & Post extruder torquemelt viscosityscreen cloggingscrew wearfeeding amount

Q

Vacuum sizing section blockage

A

This problem is a typical manifestation of vacuum sizing section blockage in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing...

Extrusion & Post coating precipitation chalkingformulation compatibilitysufficient curingUV stabilizerweather resistance

Q

Abnormal extrusion swell

A

This problem is a typical manifestation of abnormal extrusion swell in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing syste...

Extrusion & Post extrusion swelldie swellmelt elasticitydie dimensionsdraw ratio

Q

Die flow marks (flow lines)

A

This problem is a typical manifestation of die flow marks (flow lines) in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing sy...

Extrusion & Post die buildupdie lip buildupdie temperatureadditive precipitationflow channel dead corners

Q

Insufficient surface gloss

A

This problem is a typical manifestation of insufficient surface gloss in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing sys...

Extrusion & Post coating glossmatting agent dispersioncuring degreesubstrate roughnessleveling time

Q

Longitudinal corrugation of pipes

A

This problem is a typical manifestation of longitudinal corrugation of pipes in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/siz...

Extrusion & Post vacuum sizingpipe ovalityvacuum degreesizing sleeve designcooling water temperature

Q

Excessive internal stress

A

This problem is a typical manifestation of excessive internal stress in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing syst...

Extrusion & Post internal stresscooling ratedraw ratioannealing treatmentmolecular orientation

Q

Static electricity problem

A

This problem is a typical manifestation of static electricity problem in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing sys...

Extrusion & Post haul-off slippinghaul-off roller wearclamping pressuretransmission systemdimensional fluctuation

Q

Improper winding tension

A

This problem is a typical manifestation of improper winding tension in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/sizing syste...

Extrusion & Post haul-off slippinghaul-off roller wearclamping pressuretransmission systemdimensional fluctuation

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