Problem & Solution

Practical answers to common plastic material challenges

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Q

POM Pockmark Pits

A

Troubleshoot pockmarks along the two routes of mold surface condition and gas content; 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 simil...

Molds & Tooling POMpockmarkmold depositreplication

Q

POM Mold Deposit

A

Mold deposit is a signal of degradation and exudation—manage with temperature control plus cleaning; 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 su...

Molds & Tooling POMmold depositexudationcleaning

Q

POM Mold Sticking

A

For mold sticking, check the front mold surface and draft first; 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

Molds & Tooling POMmold stickingfront moldpolishing

Q

POM Ejector Whitening

A

Ejector whitening is solved by balancing the ejection system; 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

Molds & Tooling POMejector whiteningejector pindemolding

Q

POM Burnt

A

Burnt positions of POM must have structural venting; 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

Processing Machinery POMburnttrapped gasventing

Q

POM Short Shot

A

Short shots of fast-freezing materials require coordination of speed, temperature, and venting; 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 subsequ...

Molds & Tooling POMshort shotventingspeed

Q

POM Flash

A

Flash of low-viscosity materials is controlled by mold precision and pressure grading; 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 simil...

Molds & Tooling POMflashparting linemold clamping

Q

POM Weld Line Weakening

A

Weld lines on gears must avoid stressed areas; 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

Processing Machinery POMweld linetooth breakageoverflow well

Q

POM Sink Mark Control

A

POM sink marks require dual control of design ratio and holding pressure; 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

Processing Machinery POMsink markribholding pressure

Q

POM Warpage Control

A

Warpage is controlled by cooling balance and sufficient crystallization; 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

Processing Machinery POMwarpagecoolingannealing

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