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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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PBT product poor surface gloss

Gloss relies on mold temperature and mold surface management.; 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 PBT; gloss; mold temperature; polishing; replication; speed

15 görüntüleme

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PBT product mold sticking

Solve mold sticking from both the gripping and structure ends.; 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 PBT; mold sticking; demolding; draft angle; polishing; mold temperature

15 görüntüleme

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PBT product black specks

Black specks point to equipment cleanliness; regular machine cleaning is institutionalized.; 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 pr...

Molds & Tooling PBT; black speck; carbonization; cleaning; hot runner; contamination

15 görüntüleme

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PBT product discoloration and yellowing

Discoloration is a signal of heat management out of control; temperature and machine cleaning are equally important.; 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...

Processing Machinery PBT; discoloration; yellowing; degradation; dead corner; cleaning

15 görüntüleme

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PBT product bubbles (degradation)

Distinguish moisture and degradation for bubbles; if drying is ineffective, check the temperature history.; 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...

Material Drying PBT; bubble; degradation; temperature; residence time; shear

16 görüntüleme

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PBT product warpage (uneven cooling)

Uneven cooling is the main cause of warpage of crystalline materials; water circuit balance is the fundamental solution.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PBT; warpage; cooling; water circuit; crystallization; temperature difference

15 görüntüleme

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PBT product ejector whitening

Ejector whitening is a local stress signal; ejection system optimization is the standard countermeasure.; 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 f...

Molds & Tooling PBT; ejector whitening; ejection; stress; cooling; draft angle

15 görüntüleme

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PBT product flash

Distinguish clamping and wear for flash; progressive flash indicates mold repair.; 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 ...

Molds & Tooling PBT; flash; clamping force; parting line; wear; mold repair

15 görüntüleme

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PBT product short shot

Troubleshoot short shot from the three routes of pressure, temperature and runner; when raising temperature, be careful not to exceed the degradation boundary.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding PBT; short shot; pressure; temperature; runner; venting

16 görüntüleme

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PBT product flow marks

Flow marks are improved by temperature and speed.; 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 PBT; flow mark; front; temperature; speed; gate

15 görüntüleme

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Kategoriler

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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