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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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PC Mold Sticking and Scratching

For PC mold sticking, first reduce the holding pressure, then the draft angle and polishing; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar pr...

Molds & Tooling mold stickingholding pressuredraft angleejection

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PC Black Specks Thermal Decomposition

For PC black specks, check dead corners and regrind; degradation above 320°C is the root; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar probl...

Molds & Tooling black speckscarbonizationdead cornersdegradation

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PC Internal Stress Cracking

PC internal stress is the culprit of cracking; high mold temperature, annealing and polariscope detection; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshoot...

Molds & Tooling internal stresscrackingmold temperatureannealing

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PC Warpage and Deformation

For PC warpage, check mold temperature uniformity, with annealing to relieve stress as an aid; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar ...

Molds & Tooling warpagemold temperatureinternal stressannealing

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PC Sink Marks and Holding Pressure

For PC sink marks, first check the wall thickness and rib thickness, followed by holding pressure feeding; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshoot...

Molds & Tooling sink markholding pressurewall thicknessrib area

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PC Short Shot Insufficient Filling

PC short shot is due to high viscosity; raise temperature, raise speed, vent and enlarge the gate; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting simi...

Molds & Tooling short shothigh viscosityventinggate

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PC Mold Release Agent Induced Streaks

Mold release agent does more harm than good to PC; do not use it if possible, and if it must be used, select a compatible type and strictly control the dosage; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PC;mold release agent;streaks;haze;transparent parts

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PC Draft Angle and Ejection

Mechanical stress in the demolding stage is often overlooked; sufficient draft angle and balanced ejection can eliminate a large category of hidden cracking causes; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PC;draft angle;ejection whitening;ejection;scratching

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Material Factors of PC Stress Cracking

Crack resistance is first a material property; MFR selection and regrind control are the source, and the process can only be optimized on this basis; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PC;molecular weight;MFR;crack resistance;regrind ratio

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Low PC Weld Line Strength

PC weld line strength is weak; the three moves are raising temperature, raising speed and relocating; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting s...

Molds & Tooling weld lineconfluencestrengthoverflow well

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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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