Problem & Solution

Practical answers to common plastic material challenges

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Q

MS Material Cognition Confused with SMMA

A

MS and SMMA are the same type of material with different naming; the process difference from PMMA is essential; correct cognition is the premise of quality.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molding Process MS;SMMA;PMMA;cognition;naming;process

Q

LLDPE Aging

A

Outdoor use must use UV-resistant grade; 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 LLDPEagingUV resistanceservice years

Q

LLDPE Uneven Gloss

A

Gloss relies on mold temperature and mold surface 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

Molds & Tooling LLDPEglossmold temperaturemold surface

Q

LLDPE Demolding Deformation

A

Demolding deformation relies on cooling and ejection; 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

Molds & Tooling LLDPEdemoldingdeformationejection

Q

LLDPE Burnt

A

Treat burnt by venting trapped air; 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 LLDPEburnttrapped airventing

Q

LLDPE Short Shot

A

Thin-wall short shot relies on 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 troubleshooting reference for subsequent similar problems

Processing Machinery LLDPEshort shotthin wallgate

Q

LLDPE Ejection Whitening

A

Ejection whitening relies on balanced ejection; 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

Molds & Tooling LLDPEejection whiteningejector pincooling

Q

LLDPE Dimensional Drift

A

Dimensions are based on post-aging values; 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 LLDPEdimensionagingpost-crystallization

Q

LLDPE Black Speck

A

Black specks rely on disassembly cleaning and monitoring; 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 LLDPEblack speckdead spotdisassembly cleaning

Q

LLDPE Yellowing

A

For yellowing, check temperature and antioxidant; 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 LLDPEyellowingoxidationantioxidant

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