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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
Fiber enrichment at the weld line area
Q
Product edge glass fiber exposure
A
Edge glass fiber exposure is a safety and appearance quality hazard of LGFPP products
Molds & Tooling edge exposureskin layer thicknessejection designweld linesafety
Q
Severe mold gate wear
A
The gate is the weakest link most prone to wear in LGFPP molds
Injection Molding gate wearhard alloySKD11gate sizeabrasion
Q
High fiber content product filling difficulty
A
Fiber content and processing flowability conflict with each other within a certain range and need to be balanced
Molds & Tooling filling difficultyfiber contentnetwork structureprocessing aidflowability
Q
Product burnt spots/yellowing
A
The LGFPP processing temperature window is narrow, and a balance must be found between plasticization and degradation
Processing Machinery burnt spotsyellowingdegradationprocessing temperatureantioxidantresidence time
Q
Glass fiber feeding difficulty during extrusion pelletizing
Q
Severe screw and barrel wear
A
Abrasive wear of equipment in LGFPP processing is a persistent engineering and technical challenge
Processing Machinery screw wearbimetallictungsten carbideclearance inspectionglass fiber content
Q
Insufficient fiber retention length in the product
A
Fiber retention length is the primary factor determining the reinforcement effect
Injection Molding fiber retention lengthscrew shearrunner designgate size
Q
Product severe warpage deformation
A
LGFPP warpage is mainly caused by anisotropic shrinkage due to fiber orientation
Molds & Tooling warpageshrinkage anisotropyannealingcoolinginternal stress
Q
Fiber orientation causing severe anisotropy
A
Uniform fiber orientation control is the key to reducing anisotropy
Molds & Tooling fiber orientationanisotropygateholding pressuredirectionality
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