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TPU silver streaks

TPU silver streaks have the same source as bubbles but to a lesser degree; troubleshoot the three aspects of drying, mixing, and cold material; cold slug wells are a simple and effective measure to intercept cold material; after confirming effectiveness, fix the parameters and practices into the ...

Material Drying TPU；silver streak；moisture；mixing；cold material；cold slug well

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TPU bubbles (air trap and degradation type)

Bubble identification must be divided into four categories: moisture, air trap, degradation, and vacuum bubbles; after drying is ineffective, troubleshoot the remaining sources one by one according to position characteristics; after confirming effectiveness, fix the parameters and practices into ...

Material Drying TPU；bubble；air trap；degradation；vacuum bubble；venting

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TPU bubbles (moisture type)

Eighty percent of TPU bubbles originate from moisture management; meeting the drying standard is only the first step, and controlling the exposure time after drying is equally critical; repeated heating cannot replace drying.

Material Drying TPU；bubble；moisture；drying；moisture content；moisture absorption

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TPE poor welding

Heat sealing relies on parameter calibration; 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 similar problems later

Processing Machinery TPEheat sealingstrengthparameters

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TPE stress cracking

Verify compatibility first before chemical contact; 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 similar problems later

Processing Machinery TPEstress crackingchemicalscompatibility

16 görüntüleme

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TPE black specks

Black specks rely on disassembly cleaning and monitoring; 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 similar problems later

Processing Machinery TPEblack speckdead spotdisassembly cleaning

16 görüntüleme

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TPE yellowing

For yellowing check temperature and light; 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 similar problems later

Processing Machinery TPEyellowingdegradationlight

16 görüntüleme

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TPE ejection whitening

Ejection whitening relies on balanced ejection; 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 similar problems later

Molds & Tooling TPEejection whiteningejector pincooling

16 görüntüleme

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TPE short shot

Short shot relies on temperature, speed, and gate; 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 similar problems later

Processing Machinery TPEshort shotthin wallgate

16 görüntüleme

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TPE weld line

Weld lines rely on temperature and position; 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 similar problems later

Processing Machinery TPEweld lineoverflow wellgate

16 görüntüleme

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Tüm Konular 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382

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