Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PC water bottle food container

A

PC water bottles transparent and heat resistant, infant products pay attention to bisphenol A；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...

Processing Machinery water bottlefood containerbisphenol Aheat resistance

Q

PC electronic and electrical housing

A

PC electronic housings impact resistant and flame retardant, mainstay of connectors and chargers；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...

Processing Machinery electronic housingflame retardantconnectorCTI

Q

PC vs PMMA selection

A

PC versus PMMA, impact resistance versus hardness and optics；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 PMMA comparisonimpact resistancehardnessoptics

Q

PC material batch switching

A

PC material change does quick test first, supplier change recalibrates；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 batch switchingmelt indexsuppliercalibration

Q

PC metal insert preheating

A

PC inserts must be preheated to 100-120℃, cold and hot meeting causes cracking；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...

Processing Machinery metal insertpreheatingthermal expansioncracking

Q

PC flame retardant grade temperature

A

PC flame retardant material fears high temperature, temperature takes the lower limit；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 i...

Processing Machinery flame retardant gradetemperaturedecompositionbromine-based

Q

PC barrel zone temperature

A

PC barrel 270 to 310℃ progressive, nozzle slightly lower to prevent drooling；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 barrel zoningprogressivenozzleplasticization

Q

PC screw wear monitoring

A

Equipment wear of glass fiber PC is a chronic variable; regular gap measurement and dedicated wear-resistant configuration are necessary investments for long-term stability；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PC；screw wear；glass fiber；black speck；bimetallic

Q

PC nozzle temperature management

A

PC nozzle temperature seeks balance, drooling and cold slug each take a step back；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 th...

Processing Machinery nozzle temperaturedroolingcold slugbalance

Q

PC screw rotation speed and back pressure

A

PC screw at medium-low speed and low back pressure, external heat as the main and shear as the auxiliary；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...

Processing Machinery screw rotation speedback pressureshearplasticization

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