Problem & Solution

Practical answers to common plastic material challenges

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Q

PPO Warpage Correction

A

PPO warpage correction treats the symptom; process and structural prevention 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...

Processing Machinery warpage correctionheat settingpreventionstructure

Q

PPO Mold Deposit

A

PPO mold deposit is chronic accumulation, and a regular cleaning system preserves appearance; 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 p...

Molds & Tooling mold depositprecipitationcleaningappearance

Q

PPO Silver Streaks and Shear Overheating

A

PPO silver streaks are divided into moisture position and shear position; the location distribution points to the cause; 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 fo...

Material Drying silver streakssheargatedegradation

Q

PPO Weld Line Bubble Accumulation

A

For PPO weld line bubbles check venting and drying; the convergence position can be optimized; 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 ...

Material Drying weld line bubblesventingconvergencedrying

Q

PPO High-Gloss Grade Surface Maintenance

A

The face of PPO high-gloss parts lies in the mold, and polishing maintenance is routine homework; 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 simil...

Molds & Tooling glossmold polishingappearancescratches

Q

PPO Cold Slug Marks

A

For PPO cold slug marks check nozzle temperature and cold slug well capacity; 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 problems in the f...

Molds & Tooling cold slug marksnozzlecold slug wellinjection speed

Q

PPO Multi-Cavity Imbalance

A

PPO multi-cavity balance relies on precise runner correction, and SPC by cavity number locates differences; 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 troubleshoo...

Molds & Tooling multi-cavityrunner balanceweight differenceSPC

Q

PPO Product Cracking Delayed Failure

A

PPO delayed cracking is a residual stress debt; annealing plus assembly design prevents it; 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 pro...

Processing Machinery delayed crackingresidual stresscreepannealing

Q

PPO Foamed Part Cell Defects

A

PPO foaming cells depend on dispersion and temperature, and the expansion ratio must not be greedily high; 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...

Processing Machinery foamingcellsdispersionexpansion ratio

Q

PPO Transparent Grade Optical Defects

A

For PPO transparent parts, cleanliness is transparency; both drying and temperature are strict; 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...

Material Drying transparent partsturbiditydryingpolishing

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