Problem & Solution

Practical answers to common plastic material challenges

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Q

Poor interlayer adhesion in coextrusion

A

This problem is a typical manifestation of poor interlayer adhesion in coextrusion 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 d...

Extrusion & Post coextrusioninterlayer adhesiontie layerdie flow channelmaterial compatibility

Q

Uneven cut / sawing problems

A

This problem is a typical manifestation of uneven cut / sawing problems 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 s...

Extrusion & Post sawing problemssaw blade selectionfeed speedsufficient coolingfixture securing

Q

Shrinkage deformation

A

This problem is a typical manifestation of shrinkage deformation 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. ...

Extrusion & Post internal stresscooling ratedraw ratioannealing treatmentmolecular orientation

Q

Uneven cooling / thermal stress

A

This problem is a typical manifestation of uneven cooling / thermal 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/sizin...

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

Q

Unstable haul-off speed

A

This problem is a typical manifestation of unstable haul-off speed 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...

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

Q

Bridging / uneven feeding

A

This problem is a typical manifestation of bridging / uneven feeding 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 bridging

Q

Screw slipping / poor feeding

A

This problem is a typical manifestation of screw slipping / poor feeding 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 screen cloggingraw material cleanlinessfiltration mesh countgel particlesautomatic screen changer

Q

Pressure fluctuation

A

This problem is a typical manifestation of pressure fluctuation 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. I...

Extrusion & Post screen cloggingraw material cleanlinessfiltration mesh countgel particlesautomatic screen changer

Q

Extrusion output fluctuation

A

This problem is a typical manifestation of extrusion output fluctuation 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 s...

Extrusion & Post screen cloggingraw material cleanlinessfiltration mesh countgel particlesautomatic screen changer

Q

Die buildup / die lip buildup

A

The essence of die buildup is the precipitation, adhesion, and accumulation of low-molecular substances and degradation products in the melt at the die outlet. The core of the solution is "cool down + clean die + optimize formulation": appropriately reduce die temperature to reduce precipitation ...

Extrusion & Post degradation yellowingprocessing temperatureresidence timeheat stabilizerPVC dehydrochlorination

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