Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

POM Injection Pressure Grading

A

POM pressure setting must be graded by structure; the wide range of 40-140MPa means one-size-fits-all parameters will inevitably sacrifice one aspect for another; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding POM;injection pressure;40-140MPa;grading;flash

Q

POM Pressure Sensitivity for Flow Adjustment

A

The correct means of adjusting POM flow is pressure, not temperature; the temperature-raising route is a typical wrong direction for POM; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Injection Molding POM;pressure sensitivity;Newtonian fluid;flowability;injection pressure

Q

POM Holding Pressure Feeding for Thick Walls

A

Shrinkage voids in thick-walled POM parts are solved by the holding pressure system; sufficient holding time and pressure plus gate channel management are the guarantee of internal quality; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent ...

Injection Molding POM;thick wall;shrinkage void;holding pressure;gate

Q

POM Shrinkage Rate 1.8-3.5%

A

POM's shrinkage ranks among the highest in engineering plastics; uniform wall thickness, holding pressure compensation, and mold margin allowance are the three key elements of dimensional control; after confirming effectiveness, solidify the parameters and practices into the work instruction to p...

Molds & Tooling POM;shrinkage rate;1.8-3.5%;holding pressure;uniform wall thickness

Q

POM Machined Parts

A

Machined parts require dense rod stock plus aging; 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

Extrusion & Post POMmachiningdrillingaging

Q

POM medical parts

A

POM does not withstand repeated steam sterilization; 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 POMmedicalsterilizationdeformation

Q

POM caster

A

Metalizing the axle holes of heavy-load casters is standard; 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 POMcastercreepbushing

Q

POM lighter parts

A

Gas seals are specially verified for permeation and creep; 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 POMlightersealpermeation

Q

POM door lock parts

A

The low-temperature performance of door lock safety parts must be verified; 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 POMdoor locklow temperaturebrittle fracture

Q

POM seat recliner

A

Seat locking parts are mainly metal with POM as auxiliary; 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 POMseatreclinercreep

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