Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

LDPE Sharkskin

A

Sharkskin relies on reducing speed, raising temperature, plus PPA; 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 similar problems in the future

Processing Machinery LDPEsharkskinmelt fracturePPA

Q

LDPE Insufficient Transverse Tear

A

Transverse tear strength relies on blow-up ratio balance; 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 similar problems in the future

Processing Machinery LDPEtransverse tearingblow-up ratiobalance

Q

LDPE Insufficient Longitudinal Strength

A

Longitudinal strength relies on draw orientation design; 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 similar problems in the future

Processing Machinery LDPElongitudinal strengthdraw ratioorientation

Q

LDPE Poor Opening Property

A

Opening property relies on antiblock agent and tension 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 similar problems in the future

Processing Machinery LDPEopening propertyslip agentcorona

Q

LDPE Film Wrinkling

A

The root cause of wrinkling lies in thickness uniformity; 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 similar problems in the future

Extrusion & Post LDPEwrinklingwindingtension

Q

LDPE Thickness Band

A

Thick-thin bands rely on die lip and automatic air ring treatment; 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 similar problems in the future

Processing Machinery LDPEthickness banddie lipautomatic air ring

Q

LDPE Die Buildup

A

Line marks rely on die cleaning and PPA; 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 similar problems in the future

Processing Machinery LDPEdie buildupline marksPPA

Q

LDPE Film Bubble Spiral

A

For film bubble spiral check output and airflow uniformity; 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 similar problems in the future

Extrusion & Post LDPEfilm bubblespiralair ring

Q

LDPE Ejection Whitening

A

Ejection whitening relies on balanced ejection and sufficient cooling; 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 similar problems in the future

Molds & Tooling LDPEejection whiteningejector pincooling

Q

LDPE Flash

A

For flash check clamping and pressure staging; 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 similar problems in the future

Molds & Tooling LDPEflashclampingparting line

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