Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Q

PVDF Extrusion Melt Fracture

A

Melt fracture is shear instability.; After confirming effectiveness, fix 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 PVDF;extrusion;melt fracture;sharkskin;die;shear

Q

PVDF Extruded Pipe Surface

A

The extrusion surface is managed by die temperature and cleanliness.; After confirming effectiveness, fix 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 PVDF;extrusion;pipe;surface;die;buildup

Q

PVDF Product Discoloration

A

Discoloration is a signal of decomposition or contamination.; After confirming effectiveness, fix 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 PVDF;discoloration;decomposition;contamination;cleaning;temperature

Q

PVDF Product Black Specks

A

Black specks are related to PVDF decomposition; temperature control and machine cleaning are equally emphasized.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; Include this case in the defect archive as a reference for troublesho...

Processing Machinery PVDF;black specks;carbonization;decomposition;cleaning;residence

Q

PVDF Product Trapped Gas Burning

A

The trapped gas position is the venting point.; After confirming effectiveness, fix 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 PVDF;trapped gas;burning;venting;end;speed

Q

PVDF Product Flow Marks

A

Flow marks are improved by temperature and speed.; After confirming effectiveness, fix 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 PVDF;flow marks;temperature;speed;gate;filling

Q

PVDF Product Rough Surface

A

Surface quality is managed by temperature and mold surface.; After confirming effectiveness, fix 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 PVDF;rough surface;mold temperature;melt temperature;polishing;replication

Q

PVDF Product Sticking to Mold

A

Mold sticking is solved from temperature and structure.; After confirming effectiveness, fix 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 PVDF;mold sticking;mold temperature;draft;mold surface;release agent

Q

PVDF Product Ejector Whitening

A

Ejector whitening is a stress signal; optimize the ejection system.; After confirming effectiveness, fix 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 PVDF;ejector whitening;ejection;stress;cooling;draft

Q

PVDF Product Weld Line

A

Weld lines are managed by temperature and gate.; After confirming effectiveness, fix 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 PVDF;weld line;temperature;gate;confluence;overflow well

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Todos los temas 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382