Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

TPU flow marks

A

TPU flow marks are improved by smooth filling and uniform mold temperature; speed profile optimization is the main means; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPU；flow mark；filling；mold temperature；speed；gate

Q

TPU product surface scratch

A

TPU surface scratches are related to the demolding state; the surface is not the smoother the better, and appropriate roughness is actually beneficial to demolding; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPU；scratch；demolding；draft；surface；cooling

Q

TPE ejection whitening

A

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

Q

TPE shrinkage deformation

A

TPE dimensions consider elastic recovery; 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 TPEshrinkageelastic recoveryaging

Q

TPE flash

A

For flash check clamping and grading; 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 TPEflashclampingparting line

Q

TPE poor demolding

A

Anti-sticking design for soft TPE demolding; 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 TPEdemoldingmold stickingdraft

Q

TPE flow marks and uneven gloss

A

TPE flow marks are treated by type; for narrow marks increase speed and temperature, for wide marks enlarge the gate, for different-phase marks increase temperature and reduce speed; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPE；flow mark；gloss；injection speed；gate

Q

TPE Hardness Range

A

The wide hardness range of TPE is where design flexibility lies; the stickiness risk of ultra-soft material requires formulation management; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPE; hardness; Shore A0-D50; shrinkage; stickiness

Q

TPE Mold Temperature Effect on Surface

A

Surface gloss relies on mold temperature stability; after confirming effectiveness, solidify 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 in the future

Molds & Tooling TPE mold temperature gloss stability

Q

TPE Mold Temperature Uniformity

A

TPE hardness uniformity relies on mold temperature uniformity; after confirming effectiveness, solidify 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 in the future

Molds & Tooling TPE mold temperature uniformity hardness water channels

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