Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

TPU Extrusion Waves

A

For wavy lines, check temperature and die uniformity; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems later

Extrusion & Post TPU extrusion waves die

Q

TPU Extrusion Surface Waves

A

TPU extrusion waves are a mirror of flow stability; the three systems of temperature, haul-off, and cooling work in coordination; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post TPU; extrusion; waves; haul-off; cooling

Q

TPU Film Extrusion

A

TPU film relies on melt quality and die precision; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Extrusion & Post TPUfilmthicknessfiltration

Q

TPU Extrusion Shear

A

TPU extrusion should follow a low-shear route; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Extrusion & Post TPUextrusionshearmechanical

Q

TPU Extrusion Temperature

A

TPU extrusion temperature stability is the prerequisite for quality; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Extrusion & Post TPUextrusion temperaturewavymelt pressure

Q

TPU product paint peeling

A

TPU coating requires a clean surface and matching paint type; elastic substrates need flexible coatings; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post TPU；spraying；paint peeling；adhesion；elastic paint；cleaning

Q

TPU product release agent residue

A

Release agent is an auxiliary means rather than the main solution; excessive use brings secondary processing problems; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post TPU；release agent；residue；coating；cleaning；dosage

Q

TPU film thickness unevenness

A

The thickness control points of TPU film are similar to those of other elastomer films; die lip precision is the core; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post TPU；film；thickness；die lip；die temperature；thickness measurement

Q

TPU extrusion melt fracture

A

Melt fracture is a manifestation of shear instability; temperature and gap adjustment can alleviate it; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for simi...

Extrusion & Post TPU；extrusion；melt fracture；sharkskin；die；shear

Q

TPU extrusion surface roughness

A

TPU extrusion surface quality relies on temperature and die condition management; buildup cleaning is a routine maintenance item; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post TPU；extrusion；surface roughness；die；temperature；buildup

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