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TPU Hardness Deviation

Hardness consistency relies on full-chain control; 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

Material Drying TPU hardness deviation first article

17 görüntüleme

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TPU Shrinkage and Deformation

TPU dimensions must consider elastic recovery characteristics; 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

Molds & Tooling TPU shrinkage elastic recovery aging

16 görüntüleme

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TPU Extrusion Waves

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

15 görüntüleme

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TPU Flash

For TPU flash, check clamping and pressure; 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

Molds & Tooling TPU flash clamping parting line

16 görüntüleme

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TPU Silver Streaks from Moisture

Ninety percent of TPU silver streaks are moisture problems; 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

Material Drying TPU silver streaks moisture hydrolysis

17 görüntüleme

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TPU First Article Verification

TPU first article must include moisture content; qualified appearance does not mean qualified material state; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; first article verification; moisture content; material change; impact

17 görüntüleme

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TPU Demolding Difficulty

TPU demolding should make good use of its elasticity; large-area ejection plus elastic undercuts is the hard skill for soft materials; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPU; demolding; undercut; ejector pin; texture

16 görüntüleme

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TPU Color Masterbatch Dispersion

For TPU coloring, dry first then disperse; premixing and drying plus TPU carrier can prevent color streaks and color difference; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; color masterbatch; dispersion; premixing; drying

17 görüntüleme

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TPU Regrind Use

TPU regrind management gives equal weight to ratio and drying; the 20% upper limit plus full drying ensures stable performance; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; regrind; 20%; drying; performance

17 görüntüleme

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TPU Extrusion Degradation

TPU extrusion degradation management runs three lines in parallel: temperature, residence, and dead corners; aromatic grades are especially sensitive; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; extrusion; degradation; residence; dead corners

17 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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