Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

PEEK Snake Skin Pattern and Flow Marks

A

Snake skin pattern is a front instability signal; steady filling is better than lowering temperature and increasing speed; 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...

Molds & Tooling snake skin patternflow markfront instabilityfilling

Q

PEEK Stress Whitening and Ejection

A

Stress whitening points to over-packing and uneven ejection; reduce pressure first, then balance 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 s...

Molds & Tooling stress whiteningholding pressureejectiondemolding

Q

PEEK Black Speck Contamination Troubleshooting

A

PEEK black specks are a whole-chain test; check raw material, equipment, and auxiliary machines in three lines in parallel; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshootin...

Processing Machinery black speckcontaminationcarbonizationcleaning

Q

PEEK Burning and Trapped Air Black Spots

A

For high-temperature materials, trapped air means burning; venting and final-stage speed reduction are double insurance; 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 r...

Molds & Tooling burnttrapped airventingblack spot

Q

Delamination and Peeling of PEEK Thin-Walled Parts

A

Thin-wall delamination is a shear overload signal; gate relocation is more important than increasing speed; 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 ...

Extrusion & Post delaminationthin wallsheargate position

Q

Uneven Color and Transparency of PEEK Products

A

Uneven color and transparency is a crystallization distribution map; mold temperature balance is the radical cure; 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 referen...

Molds & Tooling uneven colortransparencycrystallinitymold temperature

Q

PEEK Extrusion High Torque and Melt Temperature

A

For extrusion high torque, first check the 365℃ lower limit of melt temperature, then check wear and screen blockage; 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 refe...

Extrusion & Post extrusion torquemelt temperaturescrew wearscreen

Q

PEEK Extrusion Feeding Failure

A

For extrusion material interruption, first check hopper cooling and bridging, and do not exceed the feed section temperature limit; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubl...

Extrusion & Post extrusion feedinghopper coolingbridgingmaterial interruption

Q

PEEK Extrusion Temperature and Residence Management

A

PEEK extrusion at 400-450℃ with a 30-minute residence upper limit; dead corners are the culprit; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post extrusionresidence timedead cornerdegradation

Q

PEEK Melt Viscosity Dual Sensitive Regions

A

380℃ is the watershed of PEEK machine adjustment logic: adjust temperature at low temperature and adjust speed at high temperature; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery melt viscositytemperature sensitivityshear sensitivitymachine adjustment

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Alle Themen 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