Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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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 Extrusion Pressure Fluctuation

A

TPU extrusion pressure is a live detection of moisture; for abnormal fluctuations, check drying first, then check others; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; extrusion; pressure fluctuation; moisture; monitoring

Q

TPU Extrusion Bubbles

A

Bubble management for TPU extrusion is stricter than for '2079851475616104452; the 0.02% red line plus pressure stability is the foundation of surface quality; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; extrusion; bubbles; pressure fluctuation; drying

Q

TPU Nozzle Leakage

A

For leakage, check sealing and residual pressure; 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

Molds & Tooling TPUnozzleleakagesealing

Q

TPU Screw Slipping

A

Screw slipping relies on screw design and back pressure; 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

Processing Machinery TPUscrew slippingplasticizationback pressure

Q

TPU Flow Mark Jetting

A

TPU flow mark treatment prioritizes temperature; gate design and holding pressure management are supporting means; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPU; flow mark; melting; gate; holding pressure

Q

TPU Poor Surface Gloss

A

TPU surface gloss is a double mirror of mold and material; polishing, drying and less release agent work together; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; gloss; mold polishing; drying; release agent

Q

TPU Weld Line Strength

A

TPU weld line treatment prioritizes temperature, relocates position, and assists with venting; stressed areas must avoid weld lines; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPU; weld line; meld line; convergence; venting

Q

TPU Insufficient Filling

A

TPU short shot relies on temperature, speed and gate; 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

Processing Machinery TPUshort shotthin wallgate

Q

TPU Reduced Toughness

A

For toughness decline, check excessive drying and degradation; 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

Material Drying TPUtoughnessdegradationexcessive drying

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