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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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PP Extrusion Melt Fracture

Exit roughness: raise temperature, reduce speed, apply PPA.

Extrusion & Post PP;extrusion;melt fracture;sharkskin;PPA

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POM Printing Ink Loss

POM printing requires surface activation plus special ink; 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 POMprintingcoronaink

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POM Coating Adhesion

POM coating is inherently difficult—choose carefully for important appearance parts; 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...

Extrusion & Post POMcoatingadhesionsurface energy

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POM Shrinkage Out of Tolerance

POM dimensional management is based on measured shrinkage; 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 POMshrinkage ratedimensionSPC

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POM Printing and Bonding Difficulty

The timeliness of POM surface treatment is key; process immediately after treatment, and only with special consumables can adhesion be durable; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post POM;printing;bonding;corona;surface energy

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POM Delamination and Peeling

Contamination is the number one suspect in POM delamination; gate and cold slug well are the second check, and cleaning verification closes the loop; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post POM;delamination;contamination;gate;cold slug well

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POM Annealing Post-treatment

Annealing is the standard post-treatment for precision POM parts; temperature-time combinations graded by thickness lock dimensions in a stable state; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post POM;annealing;post-shrinkage;100℃;120-130℃

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POM Machined Parts

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

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POM annealing temperature

Annealing temperature and time are executed according to the specification, and re-measurement is mandatory after annealing; 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...

Extrusion & Post POMannealingrecrystallizationre-measurement

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POM internal stress cracking and embrittlement

Internal stress cracking has a lag and is difficult to detect at the factory; a mild process with low pressure and high mold temperature is the prevention principle, and critical parts should undergo stress verification.; after confirming effectiveness, fix the parameters and practices into the w...

Extrusion & Post POM；internal stress；cracking；embrittlement；annealing；mold temperature

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Tüm Konular 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382

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