Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

PA12 Product Ejection Whitening

A

Ejection whitening is a stress signal.; 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 subsequent similar problems

Processing Machinery PA12;ejection whitening;ejection;stress;cooling;draft angle

Q

PA12 Product Flash

A

Distinguish flash between clamping and wear.; 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 subsequent similar problems

Molds & Tooling PA12;flash;clamping force;parting line;wear;pressure

Q

PA12 Product Short Shot

A

Troubleshoot short shot from pressure, temperature and runner.; 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 subsequent similar problems

Processing Machinery PA12;short shot;pressure;temperature;runner;venting

Q

PA12 Product Flow Mark

A

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 subsequent similar problems

Molds & Tooling PA12;flow mark;temperature;speed;gate;filling

Q

PA12 Product Weld Line

A

Weld lines rely on temperature and gate 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 subsequent similar problems

Processing Machinery PA12;weld line;temperature;gate;convergence;overflow well

Q

PA12 Product Bubbles

A

Identify bubbles into three categories: moisture, degradation, and trapped air.; 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 subsequent similar pro...

Material Drying PA12;bubble;moisture;degradation;trapped air;venting

Q

PA12 Product Embrittlement and Fracture

A

For PA12 embrittlement, check degradation and moisture; structural design cooperates with material protection.; 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 refer...

Material Drying PA12;embrittlement;fracture;degradation;notch;toughening

Q

PA12 Strength Decrease from Hydrolysis

A

PA12 hydrolysis damage is irreversible; drying is the only means to protect performance.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Material Drying PA12;hydrolysis;strength;molecular chain;drying;irreversible

Q

PA12 Product Warpage

A

PA12 warpage relies on mold temperature and cooling uniformity management; conformal cooling is an effective means for precision parts.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PA12;warpage;mold temperature;crystallization;conformal cooling;annealing

Q

PA12 Silver Streak from Insufficient Drying

A

PA12 moisture absorption is lower than PA6/PA66 but hydrolysis problems also exist; 0.1% moisture content is the quality red line for its processing.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Material Drying PA12;drying;silver streak;moisture content;hydrolysis;moisture absorption

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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