Problem & Solution

Practical answers to common plastic material challenges

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Q

POM Welding Difficulty

A

POM's welding window is narrow—structural design must compensate; 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 POMultrasonic weldingenergy directorhot plate welding

Q

POM Fatigue Fracture

A

Snaps are designed and verified by fatigue life; 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 POMsnapfatiguefillet

Q

POM Internal Stress

A

POM stress cracking is addressed by process stress reduction and solvent avoidance; 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 ...

Processing Machinery POMinternal stressstress crackingsolvent

Q

POM Black Speck

A

Radical cure of black specks relies on disassembly cleaning and cleaning procedures; 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...

Processing Machinery POMblack speckcarbonizationdisassembly cleaning

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 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

Q

POM Black Speck and Yellow Streak Troubleshooting

A

POM black specks and yellow streaks are the signature of stagnation points; dead-spot troubleshooting plus shot-ratio management structurally eliminates the recurrence source; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery POM;black speck;yellow streak;stagnation point;dead spot

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

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