Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

POM screw cleaning

A

POM material-change cleaning must be thorough, and dead-corner disassembly cleaning must be done regularly; 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 ...

Processing Machinery POMscrew cleaningblack speckmaterial change

Q

POM copper contact taboo

A

Copper is a POM degradation catalyst, and component materials must avoid it; 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 POMcoppercatalytic degradationcomponent

Q

POM shutdown purging

A

The POM residence red line is counted in minutes, and shutdown must be followed by purging; 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...

Processing Machinery POMshutdownresidencepurging

Q

POM nozzle temperature

A

The narrow-window nozzle temperature is combined with a self-locking 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

Processing Machinery POMnozzledroolingself-locking

Q

POM barrel temperature zoning

A

The POM barrel temperature gradient is gentle, and the back pressure should be low; 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 ...

Processing Machinery POMbarrel temperatureplasticizationback pressure

Q

Formaldehyde release from POM degradation

A

Formaldehyde odor is a POM degradation alarm and must be responded to immediately; 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 f...

Processing Machinery POMformaldehydedegradationventilation

Q

Actual measurement of POM melt temperature

A

POM's narrow temperature window requires reliable temperature control measurement; 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 f...

Processing Machinery POMmelt temperatureactual measurementcalibration

Q

POM screw selection

A

Screw matching is the hardware foundation of POM process stability; a dedicated gradual-transition screw cures the root cause better than any parameter fine-tuning; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery POM；screw；gradual-transition type；L/D；metering stability

Q

POM back pressure low limit

A

The POM back pressure window is narrow and low; 5-10kg/cm² is the balance point between metering stability and drool prevention; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery POM；back pressure；5-10kg/cm²；metering；drooling

Q

POM shutdown cleaning procedure

A

The POM shutdown procedure is a safety red line; the three steps of PE/PP purging, cooling, and cleaning—omitting any one of them is an accident hazard; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery POM；shutdown；PE cleaning；purging；safety

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