Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

PPO Holding Pressure Ratio

A

PPO holding pressure is 40-60% of injection pressure; take the value by weighing sink marks versus stress; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding holding pressuresink markinternal stressratio

Q

PPO Fast Injection and Venting

A

The premise of PPO fast injection to ensure filling is that venting keeps up, otherwise burning occurs; 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 subs...

Injection Molding fast injectionventingburntlong runner

Q

PPO Glass Fiber Grade Drying and Temperature

A

40% glass fiber PPO is another material; the dedicated process card cannot be omitted; 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 subsequent similar pr...

Material Drying glass fiber gradeprocess cardmelt temperaturewear resistance

Q

PPO Extruded Product Post-Treatment

A

PPO extruded large part post-treatment is baking for 24 hours at use temperature minus 10℃; 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 subsequent simil...

Production & Quality post-treatmentinternal stressextruded productannealing

Q

PPO Extrusion Haul-Off and Solidification Temperature

A

PPO solidification temperature is high; haul-off rhythm must give way to sufficient cooling; 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 subsequent simi...

Extrusion & Post extrusion haul-offsolidification temperaturecoolingdeformation

Q

PPO Extrusion Die Land

A

The PPO die land is quality insurance for profiles; if too short, surface and dimensions both go out of control; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post dielandprofileshaping

Q

PPO Junlong MPPO Process Baseline

A

MPPO debugging has a baseline parameter table; start with rear 260, front 280, mold temperature 80-100; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying MPPOprocess baselinemold trialparameter table

Q

PPO Nozzle Temperature Matching

A

PPO nozzle starts 10℃ lower than the barrel; for both cold slugs and overheating, check the measured temperature; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery nozzle temperaturecold slugheater bandcalibration

Q

PPO High Heat Resistance and Thermal Decomposition Temperature

A

PPO is thermally stable within 300℃; no need to sacrifice flow for safety; 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 subsequent similar problems

Processing Machinery thermal decomposition temperaturethermal stabilitybarrel temperaturesafety margin

Q

PPO '2079851475616104452 Machine Type Selection

A

Screw-type is the mainstream for PPO '2079851475616104452, and L/D greater than 15:1 is the entry condition; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding 2079851475616104452 machinescrew-typeplunger-typeL/D ratio

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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