Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PPS glass fiber reinforced floating fiber

A

Floating fiber is improved through temperature and speed to improve coverage.; After confirming effectiveness, solidify 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 PPS; glass fiber; floating fiber; coverage; temperature; speed

Q

PPS product black speck

A

Black specks point to equipment cleanliness; high-temperature materials require more frequent cleaning.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference fo...

Processing Machinery PPS; black speck; carbonization; cleaning; dead spot; residence

Q

PPS product discoloration

A

Discoloration is a signal of thermal management out of control.; After confirming effectiveness, solidify 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 PPS; discoloration; degradation; temperature; residence; cycle

Q

PPS product bubbles (degradation)

A

Distinguish bubbles from moisture versus degradation; PPS degradation temperature must be strictly guarded against.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting ...

Processing Machinery PPS; bubble; degradation; temperature; residence; cleaning

Q

PPS product weld line

A

Weld lines rely on temperature and gate management.; After confirming effectiveness, solidify 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 PPS; weld line; temperature; gate; convergence; overflow well

Q

PPS Product Flow Marks

A

Flow marks are improved by temperature and speed.; 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

Processing Machinery PPS;flow marks;temperature;speed;gate;filling

Q

PPS Melt Temperature Management

A

PPS high-temperature processing requires precise temperature control; taking the middle value within the 300~340°C window is a safe practice.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PPS;melt temperature;degradation;discoloration;window;calibration

Q

PPO Batch-to-Batch Color Difference

A

For PPO color difference check thermal history and regrind; verify color powder temperature resistance first; 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...

Processing Machinery color differencethermal historycolor powderregrind

Q

PPO Product Assembly Whitening

A

PPO assembly whitening is a stress alarm, and snap-fit design needs review; 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

Processing Machinery stress whiteningassemblysnap-fitinterference

Q

PPO Low-Temperature Embrittlement

A

PPO toughness decreases at low temperature; low-temperature parts need both verification and toughening; 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 troubleshootin...

Processing Machinery low-temperature embrittlementimpacttougheningfillet

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