Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

PCABS flame retardant grade temperature

A

PC/ABS flame retardant material takes the lower temperature limit, flame retardants fear high temperature; 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...

Processing Machinery flame retardant gradetemperaturedecompositionhalogen-free

Q

PCABS glass fiber grade process

A

PC/ABS glass fiber material takes the temperature upper limit and reduced speed, equipment must be wear-resistant; 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 glass fiber grademelt temperaturespeedwear resistance

Q

PCABS drying equipment selection

A

PC/ABS drying needs a dehumidifier as the backstop, hot air ovens depend on the weather; 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

Material Drying dehumidifying dryerdew pointhot air ovenrainy season

Q

PCABS regrind ratio control

A

PC/ABS regrind capped at 15%, degraded material is rejected with one vote; 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

Processing Machinery regrind15%heat historysilver streak

Q

PCABS shutdown and restart

A

PC/ABS restart preheats and air-shoots first, the first shots are scrapped without taking chances; 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 p...

Processing Machinery shutdownrestartpreheatingair shot

Q

PCABS residence time management

A

PC/ABS residence time must be managed, temperature reduction during interruption is discipline; 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 prob...

Processing Machinery residence timeinterruptionthermal degradationemptying

Q

PCABS screw speed and shear

A

PC/ABS screw medium-low speed with appropriate back pressure, shear heat is an invisible killer; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery screw speedback pressureshear heatdegradation

Q

PCABS injection speed grading

A

PC/ABS multi-stage injection: slow entry, fast middle, slow finish; 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

Injection Molding injection speedmulti-stageflow markshear

Q

PCABS holding pressure ratio setting

A

PC/ABS holding pressure 50-70%, balancing sink marks and stress at both ends; 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

Injection Molding holding pressuresink markinternal stressratio

Q

PCABS injection pressure range

A

PC/ABS injection 80-140MPa, thin walls take the upper 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 troubleshooting reference for similar problems later

Injection Molding injection pressureshort shotthin wallinternal stress

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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