Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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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 Gate Marks and Whitening

A

PPO gate marks are controlled by both position design and sharp trimming; 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 future

Molds & Tooling gate markswhiteningtrimmingsubmarine gate

Q

PPO Flow Marks and Uneven Gloss

A

For PPO flow marks and poor gloss check temperature stability; uniformity is the keyword; 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 flow marksglosstemperature stabilityuniformity

Q

PPO Glass Fiber Grade Warpage

A

The root of PPO glass fiber warpage is orientation, and gate design is the first adjustment means; 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 warpagefiber orientationgatelow-warpage grade

Q

PPO Ejector Whitening and Cracking

A

For PPO ejector whitening and cracking check cooling and ejection balance; do not forcibly eject soft parts; 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 troublesho...

Molds & Tooling ejector whiteningejector crackingejector pinscooling

Q

PPO Demolding and Mold Sticking

A

For PPO mold sticking first reduce internal stress, then check draft, polishing and cooling; 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 stickingdemoldinginternal stressholding pressure

Q

PPO Jetting Marks

A

PPO jetting is radically cured by gate wall-hitting arrangement, and fan and overlap gates are preferred; 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 troubleshooti...

Molds & Tooling jetting marksgatewall-followingfan

Q

PPO Surface Roughness and Gloss Loss

A

PPO surface replication relies on both temperatures, and hot mold is a direct means of reducing roughness; 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 surface roughnessglossmold temperaturereplication

Q

PPO Weld Line Insufficient Strength

A

PPO weld lines rely on mold temperature increase plus structural avoidance, with two prongs working together; 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 troublesh...

Molds & Tooling weld linemold temperaturemultiple gatesoverflow well

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