Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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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 extrusion sheet temperature

A

PC extrusion dries first, melt temperature 250-290℃；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

Extrusion & Post extrusionsheetdryingdie

Q

PC FDM printing temperature

A

PC printing requires high-temperature equipment, neither chamber nor bed temperature can be low；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 ...

Extrusion & Post FDMprintinghigh temperaturechamber

Q

PC annealing treatment specification

A

PC annealing 120-130℃ eliminates stress, high-stress parts must do 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 problems in the future

Extrusion & Post annealinginternal stress120-130℃slow cooling

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 amorphous management logic

A

PC amorphous material, mold temperature manages surface stress；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 amorphousshrinkagemold temperaturemanagement

Q

PC hot runner temperature

A

PC hot runner 290-310℃, preheating and temperature control both emphasized；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 hot runnertemperature controlpreheatinggate

Q

PC cooling time setting

A

PC cooling calculated by wall thickness, demolding rigidity has the final say；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 fu...

Molds & Tooling cooling timedemoldingcyclewall thickness

Q

PC transparent grade process

A

PC transparent grade clean and low shear, regrind prohibited；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

Material Drying transparent gradeopticslow shearpolishing

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

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