Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Unreasonable time settings for each stage of the molding cycle affect efficiency and quality

Material Drying molding cycleefficiencycooling timecellulose acetate butyrate

Ambient temperature and humidity changes affect processing stability and product quality

The environment needs humidity and temperature stability control

Material Drying environmental conditionshumiditytemperaturePA sensitivity

Insufficient bonding force between metal layer and substrate after CAB product electroplating

CAB electroplating requires optimizing roughening and activation processes

Material Drying CAB electroplatingrougheningplating adhesion

Bubbles appear inside or on the surface of extruded products

Extrusion bubbles need to be addressed from drying and venting

Material Drying extrusion bubblesdryingventingtemperature

Shot weight fluctuation makes product dimensions and weight uneven

Metering requires an intact check ring and stable stroke

Material Drying meteringcheck ringscrew strokeV-P switchover

Hazy whitening appears on the surface of CAB transparent products

CAB whitening needs to be addressed from drying and temperature

Material Drying CAB whiteningmoisturetransparencydrying

Mismatch of testing methods and standards leads to wrong quality judgment

Testing needs to be conducted under correct moisture content conditions

Material Drying quality inspectionmoisture contentconditioningPA testing

Extruded pipe inner wall surface rough

Rough pipe inner wall requires improving the mandrel and temperature

Material Drying pipe inner wallmandrelextrusion temperature

Product cracks during subsequent use or storage

Internal stress cracking requires eliminating residual stress and optimizing design

Material Drying stress crackingresidual stressannealingdesign

Bubbles or voids appear inside the product

Bubbles/voids need to be addressed from drying, holding pressure, and venting

Material Drying bubblesvoidsholding pressuredryingventing

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