Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PCABS thin-wall electronic part process

A

PC/ABS thin-wall 0.8mm relies on high-flow grade plus high speed and high mold temperature; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery thin wallhigh flowhigh speedelectronic part

Q

PCABS flame retardant grade temperature

A

PC/ABS flame retardant material takes the lower temperature limit, flame retardants fear high temperature; 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 s...

Processing Machinery flame retardant gradetemperaturedecompositionhalogen-free

Q

PCABS regrind ratio control

A

PC/ABS regrind capped at 15%, degraded material is rejected with one vote; 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 later

Processing Machinery regrind15%heat historysilver streak

Q

PCABS shutdown and restart

A

PC/ABS restart preheats and air-shoots first, the first shots are scrapped without taking chances; 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 p...

Processing Machinery shutdownrestartpreheatingair shot

Q

PCABS residence time management

A

PC/ABS residence time must be managed, temperature reduction during interruption is discipline; 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 prob...

Processing Machinery residence timeinterruptionthermal degradationemptying

Q

PCABS screw speed and shear

A

PC/ABS screw medium-low speed with appropriate back pressure, shear heat is an invisible killer; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery screw speedback pressureshear heatdegradation

Q

PCABS barrel zone temperature

A

PC/ABS barrel 200 to 260℃ progressive, nozzle 260℃ is the upper limit; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery barrel zoningprogressivenozzleplasticization

Q

PCABS color masterbatch carrier

A

The matching of PCABS color masterbatch carrier is color quality; procedure and verification are both important; management prevents defects.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PCABS；color masterbatch；carrier；mismatch；color change；streaks

Q

PCABS screw retraction

A

Air suction from PCABS screw retraction is the cause of silver streaks; reduction and inspection are both important; identification ensures accurate diagnosis.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PCABS；screw retraction；air；spray silver streak；nozzle；gap

Q

PCABS nozzle temperature

A

PCABS nozzle temperature matching is a quality detail; cold material and drool are both important; actual measurement ensures accuracy.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PCABS；nozzle temperature；245-260℃；matching；cold material；drool

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