Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PCABS Black Specks and Mixed Spots

A

For PC/ABS black specks, check dead corners and regrind; cleaning must be thorough; after confirming effectiveness, fix 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 ...

Molds & Tooling black speckcarbonizationdead cornerregrind

Q

PCABS Uneven Gloss

A

For poor PC/ABS gloss, check mold temperature stability, assisted by consistent polishing; after confirming effectiveness, fix 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 ...

Molds & Tooling uneven glossmold temperaturepolishingreplication

Q

PCABS Bubbles

A

PC/ABS bubbles are divided into three categories, and the distribution points to the cause; after confirming effectiveness, fix 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...

Material Drying bubblemoisturedegradationshrinkage void

Q

PCABS Short Shot Material Shortage

A

For PC/ABS short shot, troubleshoot in the order of temperature, venting, 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 troubleshooting reference for similar problems in the ...

Molds & Tooling short shotventinggateflow length

Q

PCABS Flash Overflow

A

For PC/ABS flash, first reduce pressure, then check clamping and the parting line; after confirming effectiveness, fix 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 f...

Injection Molding flashclamping forceparting linepressure

Q

PCABS Sink Marks and Wall Thickness

A

For PC/ABS sink marks, first check wall thickness and rib thickness, then supplement with holding pressure; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for ...

Processing Machinery sink markwall thicknessribholding pressure

Q

PCABS Venting Silver Streaks

A

For venting silver streaks, watch the ends and ribs, with venting grooves of 0.03-0.05mm; after confirming effectiveness, fix 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 i...

Molds & Tooling venting silver streakstrapped gasventing grooveend

Q

PCABS Shear Silver Streaks

A

Shear silver streaks are fixed near the gate; reduce speed and enlarge the 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 troubleshooting reference for similar problems in the future

Injection Molding shear silver streaksgateinjection speedoverheating

Q

PCABS Thermal Decomposition Silver Streaks

A

Thermal decomposition silver streaks are accompanied by yellowing; reduce temperature, shorten residence time, and clean the barrel; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troub...

Processing Machinery thermal decomposition silver streaksyellowingresidencedegradation

Q

PCABS Moisture Silver Streak Characteristics

A

Moisture silver streaks are randomly distributed hairlines over the entire surface; drying re-testing is the first action; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting...

Material Drying moisture silver streakshairline streaksdryinghydrolysis

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