Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

PP Weld Line Low Thermal Conductivity

A

PP weld lines are due to low thermal conductivity, increase temperature, increase speed and overflow areas; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for ...

Molds & Tooling weld linelow thermal conductivityconfluenceoverflow

Q

PP Sink Mark High Shrinkage

A

PP sink mark is the nature of high shrinkage, three moves of holding pressure, material reduction and strong cooling; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting refe...

Molds & Tooling sink markhigh shrinkageholding pressurematerial reduction

Q

PP Warpage from Uneven Crystallization

A

The root of PP warpage is uneven crystallization, dual uniformity of mold temperature and wall thickness; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for si...

Molds & Tooling warpagecrystallizationmold temperaturewall thickness

Q

PP Short Shot Underfilling

A

PP short shot is due to rapid solidification, increase temperature, increase speed, vent and enlarge gates; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for ...

Molds & Tooling short shotrapid solidificationventinggate

Q

PP Uneven Gloss

A

Mold temperature stability is the core of PP uneven gloss; high mold temperature is the improvement direction; inspection ensures consistency.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PP;uneven gloss;mold temperature;fluctuation;high mold temperature;inspection

Q

PP Warpage Internal Stress

A

Cooling and wall thickness are the basis of PP warpage; mold temperature and holding pressure are equally important; structural optimization prevents deformation.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PP;warpage;internal stress;cooling;wall thickness;mold temperature

Q

PP Sink Mark in Thick Walls

A

Holding pressure and structure are equally important for PP sink marks; rib design is prevention; gate position affects feeding.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PP;sink mark;thick wall;holding pressure;rib;gate

Q

PP Weld Line Strength

A

Mold temperature and gate are the main countermeasures for PP weld lines; testing ensures structural safety; management ensures appearance.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PP;weld line;strength;mold temperature;gate;test

Q

PP Semi-Crystalline Management Logic

A

PP is a semi-crystalline material; mold temperature manages crystallization strength; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems

Molds & Tooling semi-crystalline crystallinity mold temperature shrinkage

Q

PP Hot Runner Temperature

A

PP hot runner 220-260°C; drool prevention is the focus; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems

Molds & Tooling hot runner temperature control drooling gate

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